/327 0 Dental Anatomy Preparation (Dr. Chan Borey) 1 / 327 1) Root completion αααα Permanent maxillary canine ααΊ: a. 11-12 years b. 12-14 years c. 13-15 years d. 11 years 2 / 327 2) Universal numbering system αααα Permanent mandibular second premolar left ααΊ :: a. 35 b. 20 c. 14 d. 25 3 / 327 3) Cervico-incisal of crown length αααα Permanent mandibular lateral incisor: a. 10.5 mm b. 9 mm c. 9.5 mm d. 10 mm 4 / 327 4) Cervico-occlusal Length of Crown αααα Permanent maxillary second premolar: a. 8.5 mm b. 8.8 mm c. 8.2 mm d. 8.3 mm 5 / 327 5) International FDI numbering system αααα αααα Permanent mandibular first premolar left ααΊ :: a. 28 b. 21 c. 34 d. 14 6 / 327 6) Eruption αααα Permanent maxillary lateral incisor ααΊα a. 11 years b. 8-9 years c. 4-5 years d. 10-12 years 7 / 327 7) Initial of calcification αααα Permanent mandibular second molar ααΊα a. At birth b. 2 1β4 – 2 1β2 years c. 6 – 7 Years d. 2.5-3 years 8 / 327 8) From the occlusal aspect of the permanent mandibular second premolar αα αααααΆαααααααααΆ Y type cuse αααααΆαααΈ Cusps ααΊ: a. Buccal cusp > Distolingual cusp > Mesiolingual cusp b. Buccal cusp > Mesiolingual cusp > Distolingual cusp c. Mesiolingual cusp > Buccal cusp > Distolingual cusp d. Distolingual cusp > Mesiolingual cusp > Buccal cusp 9 / 327 9) International FDI numbering system αααα Permanent mandibular first molar left ααΊ : a. 46 b. 26 c. 16 d. 36 10 / 327 10) Which of the following root is the largest in permanent maxillary molar? a. Mesiobuccal root b. Distobu ccal root c. Lingual root d. Buccal root 11 / 327 11) Universal numbering system αααα Permanent mandibular canine right ααΊ :: a. 27 b. 22 c. 43 d. 13 12 / 327 12) The identifying number of permanent maxillary left central incisor in the FDI numbering is: a. 11 b. 21 c. 8 d. 9 13 / 327 13) Eruption αααα Permanent mandibular second premolar ααΊα: a. 6-7 years b. 12 Years c. 7 years d. 11 – 12 Years 14 / 327 14) Eruption αααα Permanent maxillary first premolar ααΊα: a. 9 – 10 years b. 10 – 11 years c. 12 – 13 years d. 11 -12 years 15 / 327 15) Universal numbering system αααα Permanent mandibular first molar right ααΊ : a. 46 b. 30 c. 36 d. 19 16 / 327 16) Tubercle of Carabelli is found on the lingual surface of ML cusp αααα: a. Maxillary second molar b. Mandibular second molar c. Maxillary fist molar d. Mandibular first molar 17 / 327 17) Length over all αααα Permanent maxillary second premolar: a. 23 mm b. 22 mm c. 22.5 mm d. 23.5 mm 18 / 327 18) Mesiodistal diameter of crown at contact area αααα Permanent mandibular central incisor: a. 5.5 mm b. 6 mm c. 6.5 mm d. 5 mm 19 / 327 19) αα αααβ Occlusal surface αααα Maxillary molars ααααααααααΎαααΆα4 Cusps αααααΆαααα αααΆαααααΆααααΊ: a. MB>ML> DB>DL b. ML >DL> DB >MB c. ML>MB> DB>DL d. DB >MB> ML >DL 20 / 327 20) International FDI numbering system αααα Permanent mandibular second premolar right ααΊ :: a. 15 b. 45 c. 25 d. 35 21 / 327 21) Maxillary central incisor ααΆαDistal outline of the crown a. ααΌα ααΆα Incisal outline ααα b. ααααααΆαααΆαMesial outline c. αααααα·α ααΆαααΆαMesial outline d. ααΌα ααΆαMesial outline ααα 22 / 327 22) Eruption αααα Permanent mandibular second molar ααΊα a. 6 – 7 Years b. At birth c. 12 years d. 11-13years 23 / 327 23) The permanent maxillary first molar has 3 roots. What is the arrangement of these roots? a. One mesial, one distal and one buccal root b. Two lingual and one buccal root c. One mesial, one distal and one lingual root d. Two buccal and one lingual root 24 / 327 24) The maxillary first premolar ααΆα Root : a. α ααα½ααα½ααααααααααααααΆααΉα Mandibular canine b. α ααα½αααΈα: Mesial and distal c. α ααα½αααΈα: Buccal and lingual d. α ααα½ααα½ααααααααααααααΆααΉα Maxillary canine 25 / 327 25) Universal numbering system αααα Permanent mandibular third molar left ααΊ : a. 18 b. 17 c. 28 d. 32 26 / 327 26) Labio- or Bucco-lingual diameter at cervical line αααα Permanent maxillary first molar: a. 9.5 mm b. 9 mm c. 10.3 mm d. 10 mm 27 / 327 27) αα αααα»α Numbering FDI system ααααααααα’α§ααααΆαα²ααα a. Permanent mandibular left second molar b. Permanent mandibular right first molar c. Permanent maxillary right first molar d. Permanent maxillary left second molar 28 / 327 28) International FDI numbering system αααα Permanent maxillary first molar right ααΊ : a. 46 b. 16 c. 36 d. 3 29 / 327 29) Root completion αααα Permanent maxillary first premolar ααΊα: a. 12 – 13 years b. C. 11-12 years c. 12 years d. 13-15 years 30 / 327 30) When we see from the occlusal aspect in the permanent maxillary second molar is ? a. Rhomboidal or Heart-shaped b. Heart-shaped c. Parallelogram d. Rhomboidal 31 / 327 31) On each side of the crown of the lingual ridge a mesial and distal lingual fossae are present is: a. Premalar b. Canine c. Molar d. Incisor 32 / 327 32) Initial of calcification αααα Permanent maxillary third molar ααΊα a. 12-16 years b. At birth c. 18-25 years d. 7 – 9years 33 / 327 33) Root completion αααα Permanent maxillary second molar ααΊα a. 12Years b. 10 – 11 Years c. 9- 10 years d. 14-16 years 34 / 327 34) International FDI numbering system αααα Permanent mandibular canine left ααΊ :: a. 13 b. 33 c. 23 d. 43 35 / 327 35) Mesiodistal diameter of crown αααα Permanent maxillary lateral incisor : a. 6.5 mm b. 7.5 mm c. 7 mm d. 6 Cm 36 / 327 36) Labio- or Bucco-lingual diameter of crown αααα Permanent maxillary first molar: a. 12 mm b. 11 mm c. 10.5 mm d. 10 mm 37 / 327 37) Root length αααα Permanent mandibular central incisor: a. 12.5 mm b. 13 mm c. 13.5 mm d. 11.5 mm 38 / 327 38) International FDI numbering system αααα Permanent mandibular third molar left ααΊ : a. 48 b. 38 c. 18 d. 28 39 / 327 39) Cervico-occlusal Length of Crown αααα Permanent maxillary first premolar: a. 8.5 mm b. 8 mm c. 9.5 mm d. 9 mm 40 / 327 40) Length over all αααα Permanent maxillary central incisor: a. 23 mm b. 22.5 mm c. 22 mm d. 23.5 mm 41 / 327 41) The first evidence of calcification of permanent maxillary lateral incisor appears at the age of : a. 10-12 month intrauterine life b. 6 month after birth c. 2 years after birth d. 1 year after birth 42 / 327 42) The rounded eminences prominent in the newly erupted incisors on the incisal edges are called? a. Mamelons b. Cusps c. Tubercle d. Lobe 43 / 327 43) Which statement is correct about permanent maxillary first molar ? a. Crown is equal mesiodistally than buccolingually b. Crown is equal buccolingually than mesiodistally c. Crown is wider buccolingually than mesiodistally d. Crown is wider mesiodistally than buccolingually 44 / 327 44) Length over all αααα Permanent maxillary lateral incisor : a. 22 mm b. 21.5 mm c. 22.5 mm d. 23 mm 45 / 327 45) Which teeth are responsible for tearing food? a. Premolars b. Canines c. Molars d. Central incisors 46 / 327 46) Labio- or Bucco-lingual diameter at cervical line αααα Permanent mandibular first premolar: a. 8 mm b. 8.8 mm c. 8.5 mm d. 8.3 mm 47 / 327 47) The identifying number of permanent mandibular left second molar in the FDI numbering is: a. 37 b. 17 c. 2 d. 18 48 / 327 48) Crown shape from occlusal of mandibular molar is ? a. Rectangular/ parallelogram and M-D>B-L b. Rectangular/pentagonal and M-D>B-L c. Rhomboidal/parallelogram and B-L>M-D d. Square /parallelogram and B-L>M-D 49 / 327 49) ααΎααΎαααΆα Mesial surface αα Crown of Permanent maxillary first molar ααααααααααΎα Cervical outline: a. Irregular and convex occlusally b. Irregular and slightly convex toward the root c. Irregular and slightly convex occlusally d. Irregular and convex occlusally 50 / 327 50) The permanent mandibular second premolar ααΆα: a. 3 Cusp b. 2 or 3 Cusp c. 2 Cusp d. 1 or 2 Cusp 51 / 327 51) Mesiodistal diameter of crown at contact area αααα Permanent maxillary first premolar : a. 7 mm b. 6 mm c. 6.5 mm d. 5.5 mm 52 / 327 52) Crown length αααα Permanent maxillary central incisor: a. 11.5 mm b. 10.5 mm c. 12..5 mm d. 13.5 mm 53 / 327 53) αα αααααααΎ Buccolingual section αα Pulp cavity αααα Maxillary second premolar ααααααααααΎαααΆα: a. Pulp horns ααΈαααΊLingual ααααΆαBuccal b. Pulp horns ααΈαααΊ Buccal ααααΆαLingual c. Pulp horns ααΈαααΊDistal ααααΆαMesial d. Pulp horns ααΈαααΊ Mesial ααααΆαDistal 54 / 327 54) Eruption αααα Permanent mandibular third molar ααΊα a. At birth b. 12 years c. 6 – 7 Years d. 17-21years 55 / 327 55) Mesiodistal diameter at cervical line αααα Permanent mandibular first premolar : a. 4.5 mm b. 4.3 mm c. 5 mm d. 5.3 mm 56 / 327 56) Crown length αααα Permanent maxillary canine: a. 10.5 mm b. 10 mm c. 9.5 mm d. 9 mm 57 / 327 57) Universal numbering system αααα Permanent mandibular central incisor left ααΊ : a. 24 b. 21 c. 11 d. 25 58 / 327 58) Eruption αααα Permanent mandibular central incisor ααΊα a. 10 years b. 6-8 years c. 7-8 years d. 11 years 59 / 327 59) Root length αααα Permanent maxillary lateral incisor : a. 13.5 mm b. 13 mm c. 12 mm d. 11.5 mm 60 / 327 60) How many lobes are required for the development of mandibular second premolar? a. 5 lobes b. 3 lobes c. 4 lobes d. 6 lobes 61 / 327 61) Labiolingual diameter of crown αααα Permanent mandibular central incisor: a. 7 mm b. 6 mm c. 7.5 mm d. 6.5 mm 62 / 327 62) Universal numbering system ααMaxillary central incisor ααΊ: a. 11,21 b. 8, 9 c. 21, 22 d. 41, 51 63 / 327 63) FDI numbering system αααα Permanent maxillary third molar left ααΊ : a. 16 b. 38 c. 28 d. 18 64 / 327 64) Permanent maxillary second premolars ααΊααΆ Succedaneous tooth ααααα»ααααα½α: a. Deciduous maxillary second molar b. Deciduous maxillary first premolar c. Deciduous maxillary second premolar d. Deciduous maxillary first molar 65 / 327 65) Lingual fossa of maxillary central αααα·ααα α: a. α ααααα Marginal ridges b. ααΎCingulum c. ααααα Cingulum d. α ααααα Marginal ridges αα·αααααα Cingulum 66 / 327 66) αα ααΎ Lingual surface ααCrowns αααα Permanent incisors : a. ααΆα Fossae ααΈααααααααααααααααααΎαααΆαααααααΆααα Surface b. ααΆαααΆααααααααααααααααααΆαααααααΆααα Surface c. ααΆαααΆααααααααααααααααααααΎαααααΆαααααααΆααα Surface d. ααΆα Fossae ααΈα αααααααααααααααααΎαααααΆαααααααΆααα Surface 67 / 327 67) First evidence of calcification αααα Permanent maxillary lateral incisor ααΊα a. 2-3 months b. 8-9 years c. 4-5 years d. 10-12 months 68 / 327 68) Which of the following is the last succedaneous tooth the erupt ? a. Mandibular canine b. Maxillary canine c. Mandibular first premolar d. Maxillary first premolar 69 / 327 69) International FDI numbering system αααα Permanent maxillary lateral incisor left ααΊ : a. 42 b. 22 c. 32 d. 12 70 / 327 70) Mesiodistal diameter of crown at contact area αααα Permanent mandibular second premolar: a. 7.2 mm b. 7 mm c. 6.5 mm d. 6.2 mm 71 / 327 71) First evidence of calcification αααα Permanent first maxillary premolar ααΊα: a. 1.5 – 1.75 years b. 3-4 years c. 1.5-2.75 years d. 1-2 years 72 / 327 72) Mesiodistal diameter at cervical line αααα Permanent maxillary central incisor : a. 7 mm b. 8.5 mm c. 8 mm d. 7.5 mm 73 / 327 73) The premolars are located in what relationship to the canines? a. Lingual to them b. Distal to them c. Facial to them d. Mesial to them 74 / 327 74) Permanent mandibular central and lateral incisor ααΆα: a. αααααα Anatomy ααΌα ααααΆαα·αααααααα»αααΆαα²ααααααΆαα αα·ααα αα b. αααααα Anatomy ααΌα ααααΆαα·ααα·αααααααα»αααΆαα²ααααααΆαα αα·ααα αααα c. αααααα Anatomy αα»αααααΆαα·ααα·αααααααα»αααΆαα²ααααααΆαα αα·ααα αααα d. αααααα Anatomy αα»αααααΆαα·αααααααα»αααΆαα²ααααααΆαα αα·ααα αα 75 / 327 75) A Y, shaped occlusal groove is most likely to be present in which of the following teeth ? a. Maxilllary second premolar b. Maxilllary first premolar c. Mandibular second premolar d. Mandibular first premolar 76 / 327 76) αααααααααα Succedaneous ααΆααα’ααα a. αα·ααααααΆ Permanent teeth b. ααΆ Primary teeth c. ααΆ Permanent teeth d. ααΆ Permanent teeth and primary teeth 77 / 327 77) Which of the following is generally the longest root of maxillary permanent first molar? a. Distal b. Distobuccal c. Mesial d. Palatal 78 / 327 78) Permanent maxillary central incisor : a. ααΆαα«ααα½αααΆαααΆααααΈαααααααααααααα αα·αααΆα Apex αααα½α b. ααΆαα«ααα½αααΆαααΆααΆααΈααααααααααα αα·αααΆα Apex αααα½α c. ααΆαα«ααα½αααΆαααΆαααααααΎααααααααααα αα·αααΆα Apex αααα½α d. ααΆαα«ααα½αααΆαααΆααΆααΈααααααααααα αα·αααΆα Apex ααΌα 79 / 327 79) Line angle ααααΌαααΆααααααΎαα‘αΎαααα: a. Point angle αα½α αααααααααααΆ Surfaces ααΈα b. Surfaces αα½ααααααααααααΆ ααΉα Point angle αα½α c. Surfaces ααΈααααααααααααΆ d. Surfaces ααΈαααααααααααΆ 80 / 327 80) The most important function of teeth is? a. The prepare food for swallowing and to facilitate digestion b. In speech and personal appearance c. Esthetics d. Facilitate digestion 81 / 327 81) αα αααααααΎ Cervical cross section αα ααΎ Maxillary central incisor, Pulp cavity ααΆαααΆαα a. αααααααΎ b. ααΌα c. ααΌααααααα d. ααααΈααα 82 / 327 82) Anatomical landmarks αα ααΎ Occlual surface crown of Permanent maxillary first molar ααααααααααΎα: a. Elevations, Cusps, Marginal ridge, Tubercle, Oblique ridge b. Depression, Developmental grooves, Supplemental groove, Fossa c. Cusps, Marginal ridge, Tubercle, Groove d. Elevations and depression 83 / 327 83) International FDI numbering system αααα Permanent maxillary canine right ααΊ : a. 13 b. 11 c. 23 d. 6 84 / 327 84) Clinical crown of tooth is ? a. Portion of tooth may or may not correspond to clinical croun b. Portion of tooth wich is visible in mouth c. Portion crown of tooth wich is visible in mouth d. Portion of tooth wich is covered by enamel 85 / 327 85) Root completion αααα Permanent maxillary first molar ααΊα a. 10 – 11 Years b. 9- 10 years c. 5-6 years d. 6Years 86 / 327 86) The small elevation on some portion of the crown produced by an extra-formation of enamel is called as? a. Ridge b. Cingulum c. Tubercle d. Cusp 87 / 327 87) FDI numbering system αααα Permanent mandibular first molar left ααΊ : a. 36 b. 26 c. 30 d. 19 88 / 327 88) Universal numbering system αααα Permanent mandibular second premolar right ααΊ :: a. 45 b. 20 c. 29 d. 35 89 / 327 89) Root length αααα Permanent maxillary second premolar: a. 14.5 mm b. 13.5 mm m c. 14.3 mm d. 14 mm 90 / 327 90) Eruption αααα Permanent maxillary central incisor ααΊα a. 2-3 months b. 7-8 years c. 10-11 years d. 4-5 years 91 / 327 91) Cervico-occlusal Length of Crown αααα Permanent mandibular second premolar : a. 8.3 mm b. 8.5 mm c. 8.2 mm d. 8 mm 92 / 327 92) Labio- or Bucco-lingual diameter at crest of curvature αααα Permanent maxillary second premolar: a. 8 mm b. 9.5 mm m c. 8.5 mm d. 9 mm 93 / 327 93) Length over all αααα Permanent maxillary first premolar: a. 22.2 mm b. 23.3 mm c. 22.5 mm d. 23.2 mm 94 / 327 94) What is the area that is referred to when talking about the surface of the tooth that is on the cheek side? a. Buccal b. Occlusal c. Palatal d. Lingual 95 / 327 95) Universal numbering system αααα Permanent maxillary lateral incisor left ααΊ : a. 10 b. 2 c. 12 d. 7 96 / 327 96) Which tooth tissue contains the blood vessels and nerves of the tooth? a. Pulp b. Enamel c. Cementum d. Dentin 97 / 327 97) When maxillary premolars have two roots where are they placed ? a. One buccally and other lingually b. One mesially and other distally c. Both roots a placed buccally d. Both roots a placed lingually 98 / 327 98) Crown out line of permanent maxillary canine ααΎαααΆαLabial aspect ααΆαααΆαααΆα a. Pentagonal b. Rhomboidal c. Trapezoidal d. Triangular 99 / 327 99) The maxillary first premolar has which of the following characteristics for differentiation from other anterior teeth ? a. Broader contact area b. Both contact areas are more nearly at the same level c. Greater relative faciolingual measurement as compared with the mesiodistal measurement d. Anterior teeth crown a longure than the maxillary premolar crown 100 / 327 100) Universal numbering system αααα Permanent mandibular first premolar right ααΊ :: a. 4 b. 12 c. 28 d. 21 101 / 327 101) When a buccal and a lingual triangular ridge joint, they form as? a. Incisal ridge b. Triangular ridge c. Transverse ridge d. Marginal ridge 102 / 327 102) Crown completion αααα Permanent mandibular second premolar ααΊα: a. 5 β 6 Years b. 12 years c. 6 Years d. 6-7 years 103 / 327 103) First evidence of calcification αααα Permanent mandibular canine ααΊα: a. 4-5 months b. 2-3 months c. 1-2 years d. 5-6 months 104 / 327 104) International FDI numbering system αααα Permanent mandibular first molar right ααΊ : a. 46 b. 16 c. 36 d. 26 105 / 327 105) Universal numbering system αααα Permanent maxillary first molar right ααΊ : a. 16 b. 6 c. 26 d. 3 106 / 327 106) What tissue covers the outer surface of the crown of the tooth? a. Dentin b. Enamel c. Pulp d. Cementum 107 / 327 107) ααΆαααααΆααααααΌαααΈ Primary dentition αα Permanent dentition ααΆαα αΆααααααΎα ααΆαα½αααΉαααΆααα»αα αααα: a. Permanent first molar b. Permanent canine c. Permanent central incisor d. Permanent first premolar 108 / 327 108) αα ααΎ Occlusal Aspect αα Permanent maxillary first premolar ααααααααααΎαααΆα: a. Cusp, marginal ridges, triangular ridge, developmental groove, triangular fossa and central groove . b. Cusp, marginal ridges, triangular ridge, developmental groove, central groove and pit. c. Buccal and lingual cusp, marginal ridges, triangular ridge, developmental groove, triangular fossa and central groove. d. Buccal and lingual cusp, marginal ridges, triangular ridge, developmental fossa, central groove and pit. 109 / 327 109) International FDI numbering system αααα Permanent maxillary second molar left ααΊ : a. 17 b. 47 c. 27 d. 37 110 / 327 110) Labio- or Bucco-lingual diameter at cervical line αααα Permanent maxillary second premolar: a. 8 mm b. 8.3 mm c. 8.5 mm d. 8.8 mm 111 / 327 111) International FDI numbering system αααα Permanent maxillary second molar right α:αΊ a. 2 b. 27 c. 15 d. 17 112 / 327 112) Universal numbering system αααα Permanent maxillary second premolar left ααΊ :: a. 25 b. 4 c. 23 d. 13 113 / 327 113) Completion of enamel αααα Permanent mandibular first molar ααΊα a. 7-8 years b. 2 1β2 – 3 Years c. 6 Years d. 3-4 years 114 / 327 114) The height of contour of the labial surface of permanent maxillary lateral incisor is located in: a. Near junction of incisal and middle third b. The cervical third c. Middle third incisal ridge d. 2/3 of crown 115 / 327 115) International FDI numbering system αααα Permanent maxillary lateral incisor right ααΊ : a. 12 b. 22 c. 42 d. 32 116 / 327 116) Universal numbering system αααα Permanent maxillary first molar left ααΊ : a. 14 b. 3 c. 26 d. 16 117 / 327 117) Labiolingual diameter of cervix αααα Permanent mandibular lateral incisor : a. 5.5 mm b. 5.3 mm c. 5.8 mm d. 4.5 mm 118 / 327 118) Eruption αααα Permanent maxillary canine ααΊα a. 12-13 years b. 9-10 years c. 7-8 years d. 11-12 years 119 / 327 119) Initial of calcification αααα Permanent maxillary second molar ααΊα a. 3 – 3 1β2 years b. 3 years c. 2-2.5 years d. At birth 120 / 327 120) αα ααΎ Labial surface of crown ααααPermanent maxillary canine ααααααααααΎαααΆα:: a. Cusp α ααα½αα‘ αα·α Labial ridgeα ααα½αα‘ααααααΆαα Developmental groove α ααα½αα’ b. Cusp α ααα½αα’ αα·α Labial ridge α ααα½αα‘α αΎααα·αααΆα Developmental groove αα c. Cusp α ααα½αα‘ αα·α Labial ridgeα ααα½αα‘ α αΎααα·αααΆα Developmental groove αα d. Cusp α ααα½α α’ αα·α Labial ridge α ααα½αα’ααααααΆαα Developmental groove α ααα½αα’ 121 / 327 121) αα ααΎααααΎ Cervical cross section ααΎααααααααααΆαα«ααα½α The shape of the root and pulp cavity is oval, triangular, or ellipticalαααααΊααΆααααα:: a. Maxillary canine b. Maxillary central incisor c. Mandibular canine d. Mandibular central incisor 122 / 327 122) Mesiodistal diameter of crown at contact area αααα Permanent mandibular canine: a. 6.5 mm b. 7.5 mm c. 7 mm d. 6 mm 123 / 327 123) Universal numbering system αααα Permanent mandibular second molar right ααΊ : a. 31 b. 37 c. 18 d. 47 124 / 327 124) Tooth surface: a. ααααααααααααΆααα’ααααΆα 5 Surfaces αα·αOne edge b. ααααααααααααΆααα’ααααΆα 5 Surfaces c. ααααααααααααΆααα’ααααΆα 4 Surfaces αα·αOne edge d. ααααααααααααΆααα’ααααΆα 4 Surfaces αα·αOne edge 125 / 327 125) Pulp cavity αααα Permanent mandibular first premolar ααΆαααα α:: a. Faciolingually ααααΆα mesiodistally b. Faciolingually ααΌα ααΆα mesiodistally c. ααα»αααααΆααΉα Mandibular canine d. Faciolingually ααααΎ mesiodistally 126 / 327 126) Root length αααα Permanent mandibular lateral incisor: a. 13.5 mm b. 14 mm c. 14.5 mm d. 13 mm 127 / 327 127) Universal numbering system αααα Permanent maxillary second premolar right ααΊ :: a. 4 b. 5 c. 25 d. 15 128 / 327 128) Which of the following cusps is the largest in the permanent maxillary first molar ? a. Distobuccal b. Mesiolingual c. Mesiobuccal d. Distolingual 129 / 327 129) International FDI numbering system αααα Permanent mandibular second premolar left ααΊ : a. 15 b. 25 c. 35 d. 45 130 / 327 130) Enamel completed αααα Permanent maxillary lateral incisor ααΊα a. 4-5 years b. 10-12 years c. 8-9 years d. 11 years 131 / 327 131) Maxillary central incisor ααΆα Mesial surface ααααααΆααΆααααΉα: a. Distal surface ααMaxillary central αα½αααα b. Distal surface ααMaxillary lateral c. Mesial surface ααMaxillary central αα½αααα d. Mesial surface ααMaxillary lateral 132 / 327 132) Labial surfaceααCrown αααα Maxillary canine ααΆαααΆαα a. ααααααΆααααΆα Mesial and Distal b. ααααααΆααααΆα Mesiodistally and inciso-cervically c. Cusp, Labial ridge and developmental groove d. Elevation and Depression 133 / 327 133) Which of the following sequence of eruption of permanent teeth is normally seen in the maxilla ?: a. 6, 1, 2, 4, 3, 5, 7, 8 b. 6, 1, 2, 3, 4, 5, 7, 8 c. 1, 6, 2, 4, 3, 5, 7, 8 d. 1, 6, 2, 3, 4, 5, 7, 8 134 / 327 134) Universal numbering system αααα Permanent mandibular lateral incisor right ααΊ : a. 23 b. 42 c. 26 d. 32 135 / 327 135) Universal numbering system αααα Permanent maxillary central incisor right ααΊ : a. 8 b. 1 c. 11 d. 9 136 / 327 136) Crown shape from occlusal aspect of permanent mandibular first molar is? a. Trapezoid b. Parallelogram c. Rhomboid d. Pentagonal 137 / 327 137) Crown completion αααα Permanent maxillary first molar ααΊα a. 3-4 years b. 6Years c. 7-8 years d. 5-6 Years 138 / 327 138) The mineralization of the crown of permanent maxillary central incisor is completed at the age of? a. 7-8 years b. 2-3 years c. 1-2 years d. 4-5 years 139 / 327 139) At the age of nine years, the mandibular permanent first molar has its distal contact with which of the following teeth? a. No distal contact b. Second permanent molar c. First premolar d. Second deciduous 140 / 327 140) Mesiodistal diameter at cervical line αααα Permanent maxillary canine: a. 4 mm b. 5 mm c. 5.5 mm d. 4.5 mm 141 / 327 141) American numbering system αααα Permanent maxillary first premolar right ααΊ :: a. 24 b. 5 c. 12 d. 14 142 / 327 142) Root completion αααα Permanent mandibular third molar ααΊα a. 11-12 years b. 18- 25 years c. 12-16Years d. 17 – 21Years 143 / 327 143) In permanent maxillary central incisor, root completion takes place after birth at the age of: a. 8 years b. 10 years c. 13 years d. 7 years 144 / 327 144) Distal surface αααα Permanent mandibular central incisor ααΆα a. αααααααα»αααΈ Mesial surface αα·α Lingual margin ααΆαααΆαααΆα’αααα S b. ααααααααΌα Mesial surface ααα c. ααααααααΌα Mesial surface αααααααΆαααα Cervical line αα·αααΌαααα d. αααααααα»αααΈ Mesial surface 145 / 327 145) αα»αααΆαα αααααααα Permanent incisor αααα»αα’αα‘α»ααααααααΎαααΆαααααΆαααααΆαααΊ: a. Searing or cutting b. Punch and cut c. Searing or cutting and punch d. Tearing, holding, and grinding 146 / 327 146) Mesiodistal diameter at cervical line αααα Permanent mandibular central incisor: a. 4.5 mm b. 3.5 mm c. 3 mm d. 5.5 mm 147 / 327 147) First evidence of calcification αααα Permanent mandibular central incisor ααΊα a. 2-3 months b. 6-7 months c. 4-5 months d. 3-4 months 148 / 327 148) Mesiodistal diameter at cervical line αααα Permanent mandibular second premolar: a. 5 mm b. 4.5 mm c. 4.3 mm d. 5.3 mm 149 / 327 149) Crown length αααα Permanent mandibular central incisor: a. 10.5 mm b. 9 mm c. 9.5 mm d. 10 mm 150 / 327 150) Eruption αααα Permanent maxillary first molar ααΊα a. 6 years b. 6-7 years c. At birth d. 5 – 6 Years 151 / 327 151) Length of root ααΆα lingual αααα Permanent maxillary first molar: a. 12.5 mm b. 13 mm c. 12 mm d. 13.5 mm 152 / 327 152) Eruption αααα Permanent maxillary second molar ααΊα a. 12 years b. 7 – 8 Years c. At birth d. 6-7 years 153 / 327 153) Initial of calcification αααα Permanent second maxillary premolar ααΊα: a. 1.5 – 1.75 years b. 1-2 years c. 3-4 years d. 2-2.5 years 154 / 327 154) Labiolingual diameter of cervix αααα Permanent mandibular central incisor: a. 5.3 mm b. 5.5 mm c. 4.5 mm d. 5.1 mm 155 / 327 155) Crown completion αααα Permanent mandibular canine ααΊα: a. 9-10 years b. 5-6 years c. 8 – 9 years d. 6-7 years 156 / 327 156) The identifying number of permanent mandibular right first molar in the American numbering system is: a. 30 b. 46 c. 19 d. 26 157 / 327 157) International FDI numbering system αααα Permanent maxillary central incisor right ααΊ : a. 9 b. 41 c. 11 d. 8 158 / 327 158) Permanent dentition ααΆαααα»αααααα: a. ααΎαααΈα’ααΆααααααΆααΆα α£α’ ααααα αα·α α αΆααααααΎααα»αααΈα’αΆαα»α¦αααα α’α‘ ααααΆα b. ααΎαααΈα’ααΆααααααΆααΆα α£α’ ααααα αα·α α αΆααααααΎααα»αααΈα’αΆαα»α§ααααΆααα α’α‘ ααααΆα c. ααΎαααΈα’ααΆααααααΆααΆα α£α’ ααααα αα·α α αΆααααααΎααα»αααΈα’αΆαα»α¦ααααΆααα α’α‘ ααααΆα d. ααΎαααΈα‘ααΆααααααΆααΆα α£α’ ααααα αα·α α αΆααααααΎααα»αααΈα’αΆαα»α¦ααααΆααα α’α‘ ααααΆα 159 / 327 159) International FDI numbering system αααα Permanent maxillary canine left ααΊ : a. 11 b. 6 c. 13 d. 23 160 / 327 160) Which of the followings is the smallest root in permanent maxillary first molar ? a. Distobuccal root b. Palatal root c. Mesiobuccal root d. All the roots have same length 161 / 327 161) Root length αααα Permanent mandibular first premolar: a. 14.3 mm b. 14 mm c. 13.5 mm d. 14.5 mm 162 / 327 162) Initial of calcification αααα Permanent mandibular third molar ααΊα a. 6 – 7 Years b. 2 1β4 – 2 1β2 years c. 9-10 years d. 8-10 years 163 / 327 163) Length over all αααα Permanent mandibular central incisor: a. 22.5 mm b. 21.5 mm c. 21 mm d. 22 mm 164 / 327 164) Function of teeth : a. Mastication, appearance, speech and growth of jaws b. Mastication and speech c. Mastication, speech and growth of jaws d. Mastication, appearance and speech 165 / 327 165) Root length αααα Permanent mandibular canine : a. 17.5 mm b. 16 mm c. 17 mm d. 16.5 mm 166 / 327 166) Universal numbering system αααα Permanent maxillary central incisor leftααΊ : a. 8 b. 9 c. 21 d. 2 167 / 327 167) In the permanent dentition, the maxillary second premolar is the fifth tooth from : a. The midline in each lower quadrant. b. The midline in each upper quadrant. c. The maxillary central incisor in each upper quadrant. d. The maxillary central incisor in each quadrant. 168 / 327 168) When we see from the buccal aspect in the permanent maxillary first molar, the point of furcation of the two buccal roots is located approximately? a. 2mm below the cervical line b. 5mm below the cervical line c. 4mm below the cervical line d. 3mm below the cervical line 169 / 327 169) Length over all αααα Permanent maxillary canine : a. 26.5 mm b. 26 mm c. 27 mm d. 27.5 mm 170 / 327 170) Completion of enamel αααα Permanent mandibular second molar ααΊα a. 2 1β2 – 3 Years b. 7-8 years c. 3-4 years d. 6 Years 171 / 327 171) Cervico-occlusal Length of Crown αααα Permanent mandibular first premolar: a. 8.5 mm b. 8.0 mm c. 8.3 mm d. 8.2 mm 172 / 327 172) When viewed from buccal aspect the form of the maxillary first premolar is ? a. Rhomboidal b. Pentagonal c. Rectangular d. Trapezoidal 173 / 327 173) Anatomical crown of tooth is? a. Portion of tooth may or may not correspond to anatomical croun b. Portion of tooth wich is covered by enamel c. Portion crown of tooth wich is visible in mouth d. Portion of tooth wich is visible in mouth 174 / 327 174) Root completion αααα Permanent maxillary second premolar ααΊα a. 12 – 13 years b. 13-15 years c. 12-14 years d. 12 years 175 / 327 175) Universal numbering system αααα Permanent mandibular canine left ααΊ :: a. 13 b. 27 c. 22 d. 43 176 / 327 176) Crown completion αααα Permanent maxillary second molar ααΊα a. 7-8 years b. 5-6 Years c. 12 Years d. 3-4 years 177 / 327 177) Which of the following is the most poorly developed cusp in maxillary second molar ? a. Distolingual b. Mesiolingual c. Distobuccal d. Mesiobuccal 178 / 327 178) Labiolingual diameter of cervix αααα Permanent maxillary lateral incisor: a. 6.5 mm b. 6 mm c. 5 mm d. 5.5 mm 179 / 327 179) The most common cusp form of mandibular second premolar is: a. U type b. H type c. U or H type d. Y type 180 / 327 180) International FDI numbering system αααα Permanent maxillary first premolar left ααΊ: a. 34 b. 14 c. 12 d. 24 181 / 327 181) Universal numbering system αααα Permanent mandibular third molar right ααΊ : a. 18 b. 17 c. 32 d. 38 182 / 327 182) Anatomical root of tooth is ? a. Portion of tooth wich is not visible in mouth b. Portion of root wich is not visible in mouth c. Portion of root is covered with cementum d. Portion of tooth wich is covered with cementum 183 / 327 183) International FDI numbering system αααα Permanent maxillary third right ααΊ: a. 38 b. 28 c. 18 d. 1 184 / 327 184) Crown length αααα Permanent mandibular canine : a. 10.5 mm b. 11.5 mm c. 9.5 mm d. 11 mm 185 / 327 185) Universal numbering system αααα Permanent mandibular first premolar left ααΊ :: a. 28 b. 14 c. 21 d. 12 186 / 327 186) FDI numbering system αααα Permanent maxillary central incisor leftααΊ : a. 11 b. 8 c. 21 d. 31 187 / 327 187) Universal numbering system αααα Permanent maxillary lateral incisor right ααΊ : a. 7 b. 2 c. 10 d. 12 188 / 327 188) Mesiodistal diameter of crown αααα Permanent maxillary first molar: a. 10 mm b. 11 mm c. 10.5 mm d. 11.5 mm 189 / 327 189) Labiolingual diameter at cervical line αααα Permanent maxillary central incisor: a. 7 mm b. 6.5 mm c. 6 mm d. 7.5 mm 190 / 327 190) Root completion αααα Permanent maxillary central incisor ααΊα a. 4-5 years b. 10-11 years c. 3-4 months d. 2-3 months 191 / 327 191) Crown shape from occlusal surface of maxillary molars are : a. Square / pentagonal b. Rectangular/pentagonal c. Square /parallelogram d. rectangular/ parallelogram 192 / 327 192) Length over all αααα Permanent mandibular canine : a. 27.5 mm b. 26.5 mm c. 26 mm d. 27 mm 193 / 327 193) International FDI numbering system αααα Permanent maxillary second premolar right ααΊ : a. 25 b. 4 c. 15 d. 13 194 / 327 194) Eruption αααα Permanent mandibular first molar ααΊα a. At birth b. 6 years c. 5 – 6 Years d. 6-7 years 195 / 327 195) International FDI numbering system αααα Permanent maxillary third molar left ααΊ : a. 38 b. 28 c. 18 d. 16 196 / 327 196) American numbering system αααα Permanent maxillary second premolar left ααΊ :: a. 4 b. 15 c. 13 d. 25 197 / 327 197) Mesiodistal diameter of crown at contact area αααα Permanent maxillary canine: a. 6.5 mm b. 7.5 mm c. 7 mm d. 6 mm 198 / 327 198) The height of contour of the labial surface of permanent maxillary central incisor is located in: a. 2/3 of crown b. The cervical third c. Middle third incisal ridge d. The cervical 199 / 327 199) Permanent mandibular second premolars ααΊααΆ Succedaneous tooth ααααα»ααααα½α: a. Deciduousmandibularsecond premolar b. Deciduous mandibular first molar c. Deciduous mandibular first premolar d. Deciduous mandibular second molar 200 / 327 200) Which teeth constitute 44% of their quadrants mesiodistal dimension?: a. Mandibular premolars b. Mandibular molars c. Maxillary molars d. Maxillary premolars 201 / 327 201) American numbering system αααα Permanent maxillary first premolar left ααΊ :: a. 24 b. 12 c. 34 d. 14 202 / 327 202) Mesiodistal diameter at cervical line αααα Permanent maxillary second premolar: a. 5 mm b. 4.3 mm c. 4.5 mm d. 5.3 mm 203 / 327 203) Root length αααα Permanent maxillary first premolar: a. 14.5 mm b. 14 mm c. 15.5 mm d. 15 mm 204 / 327 204) The identifying number of permanent maxillary right second premolar in the FDI numbering is: a. 44 b. 25 c. 14 d. 15 205 / 327 205) Mesiodistal diameter at cervical line αααα Permanent mandibular lateral incisor: a. 4.5 mm b. 4. mm c. 5.5 mm d. 3 mm 206 / 327 206) Labio- or Bucco-lingual diameter at crest of curvature αααα Permanent mandibular second premolar: a. 9 mm b. 8 mm c. 8.5 mm d. 9.5 mm 207 / 327 207) ααΎααΎαααΆα Buccal surface αα Crown of Permanent maxillary first molar ααααααααααΎα Cervical outline: a. Irregular and convex toward the root b. Irregular and slightly convex occlusally c. Irregular and slightly convex toward the root d. Irregular and convex occlusally 208 / 327 208) International FDI numbering system αααα Permanent mandibular second molar left ααΊ : a. 47 b. 17 c. 27 d. 37 209 / 327 209) Initial of calcification αααα Permanent mandibular first molar ααΊα a. 2 1β4 – 2 1β2 years b. 2-2.5 years c. 6 – 7 Years d. At birth 210 / 327 210) Root completion αααα Permanent mandibular first premolar ααΊα: a. 10 – 12 Years b. 12 Years c. 12- 13 years d. 13 years 211 / 327 211) Permanent mandibular incisors ααΆααΌαα : a. ααΆααααααΈα‘αΎαααΈαααα ααΌα ααΊααΈα‘ ααααΆαααΈ α’ b. ααΆααααααΈα‘αΎαααΈααΌα αα ααααΊααΈα‘ ααΌα ααΆαααΈ α’ c. ααΆααααααΈα α»αααΈααΌα αα ααααΊααΈα‘ ααΌα ααΆαααΈ α’ d. ααΆααααααΈα α»αααΈαααα ααΌα ααΊααΈα‘ ααααΆαααΈ α’ 212 / 327 212) Mesiodistal diameter of crown at contact area αααα Permanent mandibular first premolar: a. 6.2 mm b. 7.2 mm c. 7 mm d. 6.5 mm 213 / 327 213) αααα»ααα½αααΈαα·αααα»ααα ααΆααααα»αααααα: a. ααΈαααΎα b. ααΎαααΈαα½αα¬ααΉαααα c. ααΎαααΈααΈαα¬α’α α·αααααααα d. αα½αααΎα 214 / 327 214) Labiolingual diameter at cervical line αααα Permanent maxillary canine: a. 7.3 mm b. 6.5 mm c. 7.5 mm d. 7 mm 215 / 327 215) How many molars are located in each arch? a. 3 b. 12 c. 2 d. 6 216 / 327 216) Initial of calcification αααα Permanent mandibular second premolar ααΊα: a. 2-2.5 years b. 1 3β4 – 2 Years c. 2 1β4 – 2 1β2 years d. 1.5 – 1.75 years 217 / 327 217) Root completion αααα Permanent maxillary lateral incisor ααΊα a. 8-9 years b. 4-5 years c. 10-11 years d. 11 years 218 / 327 218) Mesiodistal diameter of crown at contact area αααα Permanent mandibular lateral incisor: a. 6.5 mm b. 4.5 mm c. 5.5 mm d. 6 mm 219 / 327 219) Root length αααα Permanent maxillary central incisor: a. 12 mm b. 13.5 mm c. 13 mm d. 12..5 mm 220 / 327 220) International FDI numbering system αααα Permanent mandibular lateral incisor right ααΊ : a. 23 b. 42 c. 22 d. 32 221 / 327 221) The identifying number of permanent maxillary left central in the FDI numbering is: a. 21 b. 11 c. 9 d. 8 222 / 327 222) Length of root ααΆα buccal αααα Permanent maxillary first molar: a. 13 mm b. 12.5 mm c. 12 mm d. 13.5 mm 223 / 327 223) α«ααα Permanent mandibular lateral incisor : a. ααααΈαα·αααΌα ααΆα Permanent mandibular central incisor b. αααααααΌα ααΆα Permanent mandibular central incisor c. ααααα·αααααΆα Permanent mandibular central incisor d. ααααΈααααααΆα Permanent mandibular central incisor 224 / 327 224) Mesiodistal diameter at cervical line αααα Permanent maxillary first molar: a. 9 mm b. 8.5 mm c. 7.5 mm d. 8 mm 225 / 327 225) Which of the following roots is the largest permanent maxillary first molar ? a. Lingual root b. Mesiobuccal root c. Buccal root d. Distobuccal root 226 / 327 226) In the permanent dentition, the mandibular first premolar is the fourth tooth from : a. The mandibular central incisor in each quadrant. b. The midline in each lower quadrant c. The mandibular central incisor in each upper quadrant. d. The midline in each upper quadrant 227 / 327 227) Teeth are named by their: a. Arch, class, type, and side b. Set, arch, class and type c. Set, arch and class d. Set, arch, class, type, and side 228 / 327 228) Root completion αααα Permanent mandibular central incisor ααΊα a. 7-8 years b. 8-9 years c. 10 years d. 11 years 229 / 327 229) When viewed from buccal aspect, the maxillary premolars resemble ? a. Permanent maxillary canine b. Permanent mandibular canine c. Permanent maxillary first molar d. Permanent maxillary central incisor 230 / 327 230) αααααααα½αααα Crowns of permanent incisors ααΆααααααααα»ααααααααΈ Crowns ααααPermanent teeth αααααααα½αααΆα: a. ααΈααΆαααα·ααα»ααα Marginal ridges, Incisal edge, Mamelons, Lingual fossa b. Incisal edge, Mamelons, ααΈααΆαααα·ααα»ααα Marginal ridges, Lingual fossa αα·α Cingulum c. Lingual fossa , Cingulum, Incisal edge, Mamelons d. Mamelons, Lobes, Lingual fossa, Lingual fossa αα·α Cingulum 231 / 327 231) International FDI numbering system αααα Permanent mandibular central incisor left ααΊ : a. 31 b. 22 c. 24 d. 41 232 / 327 232) Root completion αααα Permanent mandibular second molar ααΊα a. 10 – 13 Years b. 11-12 years c. 12Years d. 14- 15 years 233 / 327 233) Root completion αααα Permanent mandibular second premolar ααΊα a. 12- 13 years b. 10 – 12 Years c. 12Years d. 13-14 years 234 / 327 234) Labio- or Bucco-lingual diameter at crest of curvature αααα Permanent mandibular first premolar: a. 9 mm b. 9.5 mm c. 8.5 mm d. 8 mm 235 / 327 235) Initial of calcification αααα Permanent mandibular first premolar ααΊα: a. 2-2.5 years b. 1.5 – 1.75 years c. 3-4 years d. 1 3β4 – 2 Years 236 / 327 236) Universal numbering system αααα Permanent maxillary first premolar right ααΊ :: a. 24 b. 12 c. 5 d. 14 237 / 327 237) The crown of the second premolar is slightly smaller in all dimensions than that of the : a. Third molar b. First premolar c. First molar d. Second molar 238 / 327 238) Mesiodistal diameter at cervical line αααα Permanent mandibular canine: a. 5 mm b. 5.5 mm c. 4 mm d. 4.5 mm 239 / 327 239) αα ααΎ Lingual surface of crown ααααPermanent maxillary canine ααααααααααΎαααΆα:: a. Cingulumαα½α Lingual ridgeαα½α Marginal ridges ααΈααα·α lingual fossaeαα½α b. Cingulumαα½αLingualridge ααΈα Marginalridges ααΈααα·α lingualfossaeααΈα c. Cingulumαα½α Lingual ridgeαα½α Marginal ridges ααΈααα·α lingual fossaeααΈα d. Cingulumαα½α Lingual ridgeαα½α Marginal ridgesαα½ααα·α lingual fossaeααΈα 240 / 327 240) When we observe from buccal aspect, in permanent mandibular first molar, the point of furcation of the two roots is located approximately? a. 4mm below the cervical line b. 5mm below the cervical line c. 3mm below the cervical line d. 2mm below the cervical line 241 / 327 241) The mandibular first premolar is : a. Bigger in general size than the second mandibular premolar b. Smaller in general size than the second maxillary premolar c. Smaller in general size than the second mandibular premolar d. Bigger in general size than the second maxillary premolar 242 / 327 242) International FDI numbering system αααα Permanent mandibular canine right ααΊ :: a. 43 b. 13 c. 23 d. 33 243 / 327 243) International FDI numbering system αααα Permanent mandibular second molar right ααΊ : a. 27 b. 37 c. 17 d. 47 244 / 327 244) American numbering system αααα Permanent maxillary second premolar right ααΊ :: a. 13 b. 25 c. 4 d. 45 245 / 327 245) First evidence of calcification αααα Permanent maxillary central incisor ααΊα a. 4-5 years b. 3-4 months c. 2-3 months d. 10-11 years 246 / 327 246) Mesiodistal diameter of crown at contact area αααα Permanent maxillary second premolar : a. 7.2 mm m b. 7 mm c. 6.5 mm d. 6.2 mm 247 / 327 247) Sometimes tubercule of Carabelli is found in permanent maxillary first molar. What is the position of the tubercule of Carabelli ? a. Lingual to distolingual cusp b. Lingual to mesiolingual cusp c. Buccal to distolingual cusp d. Buccal to mesiolingual cusp 248 / 327 248) Completion of crown αααα Permanent maxillary second premolar ααΊα: a. 6-7 years b. 5 – 6 years c. 11 – 12 years d. 10 – 11 years 249 / 327 249) The combined mesiodistal width of the three mandibular molars on one side make up : a. 51% of the mesiodistal dimension of their mandibular arch b. 51% of the mesiodistal dimension of their quadrant c. 51% of the mesiodistal dimension of their arch d. 51% of the mesiodistal dimension of mandibular quadrant 250 / 327 250) International FDI numbering system αααα Permanent mandibular third molar right ααΊ : a. 28 b. 38 c. 18 d. 48 251 / 327 251) In which direction does the palatal root of the upper first molar usually curve towards: a. Lingual b. Distal c. Mesial d. Facial / buccal/ 252 / 327 252) Root of permanent maxillary central incisor ααΎααΆααααΆααα·αααααααα αα·α Cervical line ααΆαααΆαααΆ : a. Round b. Triangular c. Ovoid d. Conic 253 / 327 253) Permanent maxillary second molar has ? a. 4 cusps or 3 cusps b. 5 cusps c. 5 cusps or 3 cusps d. 4 cusps 254 / 327 254) The steepest cusp incline is present in which of the following permanent teeth ?: a. Maxillary first premolar b. Maxillary first molar c. Mandibular first premolar d. Mandibular first molar 255 / 327 255) The union of the triangular ridge of the distobuccal cusp and the distal ridge of the mesiolingual cusp of maxillary molar forms the: a. Transverse ridge b. Oblique ridge c. Marginal ridge d. Triangular ridge 256 / 327 256) How many lobes are required for the development of mandibular first premolar? a. 5 lobes b. 6 lobes c. 4 lobes d. 3 lobes 257 / 327 257) Universal numbering system αααα Permanent mandibular lateral incisor left ααΊ : a. 42 b. 22 c. 23 d. 32 258 / 327 258) α«αααPermanent maxillary canine : a. ααΆααα½αα αΎααααααΆα Permanent mandibular canine b. ααΆααα½αα αΎαααααααα‘αΌαααΆαααΌα ααα c. ααΆααα½αα αΎααααααΆααα d. ααΆααα½αα αΎαααααααα‘αΌαααΆαααΌα ααα αα·αα α»ααααα½α 259 / 327 259) Universal numbering system αααα Permanent mandibular second molar left ααΊ : a. 18 b. 19 c. 36 d. 30 260 / 327 260) Labio- or Bucco-lingual diameter at cervical line αααα Permanent maxillary first premolar : a. 7.3 mm b. 8.5 mm c. 8 mm d. 6.5 mm 261 / 327 261) αααααααα Mixed dentition ααΆααΉαααΆαααααααααααααααΎα: a. Different colors and hues b. Permanent first molar αα»αα αα, Different colors and hues c. Crowding of the teeth and mal posed teeth d. Mal posed teeth, Crowding of the teeth, Different colors and hues 262 / 327 262) Universal numbering system αααα Permanent maxillary canine right ααΊ : a. 11 b. 6 c. 13 d. 43 263 / 327 263) Length over all αααα Permanent mandibular first premolar: a. 22.5 mm b. 23.5 mm c. 23 mm d. 22 mm 264 / 327 264) Crown out line of permanent maxillary lateral incisor ααΎαααΆαLabial aspect ααΆnααΆαααΆα a. Trapezoidal b. Triangular c. Conic d. Rhomboidal 265 / 327 265) Mesiodistal diameter of crown αααα Permanent maxillary central incisor: a. 8.5 mm b. 9 mm c. 8 mm d. 9.5 Cm 266 / 327 266) Universal numbering system αααα Permanent mandibular central incisor right ααΊ : a. 41 b. 25 c. 24 d. 31 267 / 327 267) Root completion αααα Permanent maxillary third molar ααΊα a. 12- 16 years b. 18-25 years c. 10 – 11 Years d. 17-21 Years 268 / 327 268) Universal system ααMaxillary central incisor ααΊ: a. 11,21 b. 21, 22 c. 8,9 d. 41, 51 269 / 327 269) FDI numbering system αααα Permanent maxillary third molar right ααΊ : a. 28 b. 18 c. 16 d. 8 270 / 327 270) Cervico-occlusal Length of Crown αααα Permanent maxillary first molar: a. 7.3 mm b. 7.5 mm c. 8.5 mm d. 8.3 mm 271 / 327 271) First evidence of calcification αααα Permanent maxillary canine ααΊα a. 2-3 months b. 5-6 months c. 3-4 months d. 4-5 months 272 / 327 272) ααΎααΎαααΆα Buccal surface αα Permanent maxillary first molar Crown ααααααΆααΆαααΆα a. Trapezoidal with small uneven side cervically b. Parallelogram with small uneven side occlusally c. Trapezoidal with the small uneven side present cervically d. Rectangular with small uneven side occlusally 273 / 327 273) Root completion αααα Permanent mandibular first molar ααΊα a. 10 – 11 Years b. 6Years c. 5-6 years d. 9- 10 years 274 / 327 274) Labio- or Bucco-lingual diameter at cervical line αααα Permanent mandibular second premolar: a. 7.3 mm b. 8 mm c. 8.3 mm d. 7 mm 275 / 327 275) Crown completion αααα Permanent maxillary third molar ααΊα a. 25 Years b. 17-21 years c. 7-8 years d. 12-16 Years 276 / 327 276) Labiolingual diameter of crown αααα Permanent mandibular lateral incisor : a. 7 mm b. 6 mm c. 7.5 mm d. 6.5 mm 277 / 327 277) Permanent maxillary incisors ααΆααΌαα : a. ααΆααααααΈα α»αααΈαααα ααΌα ααΊααΈα‘ ααααΆαααΈ α’ b. ααΆααααααΈα‘αΎαααΈαααα ααΌα ααΊααΈα‘ ααααΆαααΈ α’ c. ααΆααααααΈα α»αααΈααΌα αα ααααΊααΈα‘ ααΌα ααΆαααΈ α’ d. ααΆααααααΈα‘αΎαααΈααΌα αα ααααΊααΈα‘ ααααΆαααΈ α’ 278 / 327 278) International FDI numbering system αααα Permanent mandibular central incisor right ααΊ : a. 25 b. 22 c. 41 d. 31 279 / 327 279) What number refers to the lower right canine tooth (American numbering system)? a. 28 b. 22 c. 27 d. 32 280 / 327 280) The identifying number of permanent mandibular left canine in the universal numbering system is: a. 3 b. 22 c. 33 d. 43 281 / 327 281) International FDI numbering system αααα Permanent maxillary second premolar left ααΊ : a. 13 b. 35 c. 25 d. 4 282 / 327 282) International FDI numbering system αααα Permanent mandibular first premolar right ααΊ : a. 24 b. 14 c. 44 d. 34 283 / 327 283) The maxillary first premolar ααΆα pulp chamber αα½αααααα ααααα:: a. Facio-lingual α ααα’ααααΆα Mesio-distal b. Facial ααΌααΆαααΆα Lingual c. Facial α α ααα’ααααΆα Lingual d. Facio-lingual ααΌααΆαααΆα Mesio-distal 284 / 327 284) Root length αααα Permanent mandibular second premolar: a. 14.5 mm b. 14 mm c. 13.5 mm d. 14.3 mm 285 / 327 285) ααΆαααααααααααΎααααααααα»αααΆαα½ααααααΆSuccedaneous teeth ααΆαααααααα»αααΈ αααααααΉαααααααααΆααααΌααααα½α?: a. Canines b. Premolars c. Molars d. Incisors 286 / 327 286) Maxillary first molar has three roots ( two buccal and one lingual): a. Mesio-buccal > Bucco-lingual > Lingual b. Lingual > Mesio-buccal > Disto-Baccal c. Bucco-lingual > Lingual > Mesio-buccal d. Lingual > Bucco-lingual > Mesio-buccal 287 / 327 287) Crown shape from buccal aspect of permanent mandibular first molar is? a. Rhomboid b. Parallelogram c. Trapezoid d. Pentagonal 288 / 327 288) Crown completion αααα Permanent mandibular first premolar ααΊα: a. 5 β 6 Years b. 6 Years c. 2-2.5 years d. 3-4 years 289 / 327 289) Select the letter of the permanent incisor that normally exhibit: this tooth is the most symmetrical incisor? a. Mandibular lateral incisor b. Maxillary central incisor c. Mandibular central incisor d. Maxillary lateral incisor 290 / 327 290) Eruption αααα Permanent maxillary second premolar ααΊα a. 10-12 years b. 11 -12 years c. 12 – 13 years d. 10 – 11 years 291 / 327 291) Eruption αααα Permanent mandibular canine ααΊα: a. 9 – 10 years b. 8 – 9 years c. 11 -12 years d. 6 – 7 years 292 / 327 292) The oblique ridge is found in permanent maxillary first molar that crosses the occlusal surface obliquely. It is formed by the union of ? a. Triangular ridge of distobuccal cusp and distal ridge of mesiolingual cusp b. Triangular ridge of mesiobuccal cusp and distal ridge of mesiolingual cusp c. Triangular ridge of distobuccal cusp and mesial ridge of mesiolingual cusp d. Triangular ridge of distolingual cusp and distal ridge of mesiolingual cusp 293 / 327 293) Crown completion αααα Permanent mandibular central incisor ααΊα a. 6-8 years b. 4-5 years c. 10 years d. 3-4 years 294 / 327 294) International FDI numbering system αααα Permanent maxillary first molar left ααΊ : a. 46 b. 16 c. 26 d. 36 295 / 327 295) Completion of enamel αααα Permanent mandibular third molar ααΊα a. 17 – 21 Years b. 18-25 years c. 16-21 Years d. 12-16 years 296 / 327 296) Where are the mandibular teeth located? a. Posterior b. Upper jaw c. Lower jaw d. Anterior 297 / 327 297) Labiolingual diameter at crest of curvature αααα Permanent maxillary canine: a. 7.5 mm b. 8.5 mm c. 7 mm d. 8 mm 298 / 327 298) Initial of calcification αααα Permanent maxillary first molar ααΊα a. At birth b. 2-2.5 years c. 3 – 4 Years d. 2 1β4 – 2 1β2 years 299 / 327 299) Which teeth has the largest labiolingual root dimension of any tooth in the mouth ?: a. Maxillary incisor b. Mandibular Premalar c. Maxillary canine d. Mandibular canine 300 / 327 300) Mesiodistal diameter at cervical line αααα Permanent maxillary lateral incisor: a. 5.5 mm b. 6.5 mm c. 6 mm d. 5 mm 301 / 327 301) Crown completion αααα Permanent maxillary central incisor ααΊα a. 10-11 years b. 2-3 months c. 3-4 months d. 4-5 years 302 / 327 302) Universal numbering system αααα Permanent maxillary first premolar left ααΊ :: a. 4 b. 5 c. 12 d. 14 303 / 327 303) Universal numbering system αααα Permanent maxillary second molar left ααΊ : a. 2 b. 15 c. 17 d. 27 304 / 327 304) Crown length αααα Permanent maxillary lateral incisor : a. 9 mm b. 10 mm c. 10.5 mm d. 9.5 mm 305 / 327 305) Under universal numbering system of the permanent molars they are : a. 1,2,3,14,15,16,17,18,19,30,31,32 b. 1,2,3,15,16,17,18,19,20,30,31,32 c. 32,31,30,29,28,27, 1,2,3,14,15,16, d. 32,31,30,29,28,27, 1,2,3,17,18,19, 306 / 327 306) Eruption αααα Permanent mandibular first premolar ααΊα: a. 6-7 years b. 12 Years c. 10 – 12 Years d. 7 years 307 / 327 307) Root length αααα Permanent maxillary canine : a. 16.5 mm b. 17 mm c. 16 mm d. 17.5 mm 308 / 327 308) Which are the only teeth that have a prominent lingual ridge?: a. Premalar b. Molar c. Canine d. Incisor 309 / 327 309) Crown shape from occlusal surface of mandibular molars are : a. Rectangular/pentagonal b. Square /parallelogram c. Rectangular/ parallelogram d. Square / pentagonal 310 / 327 310) Crown completion αααα Permanent maxillary canine ααΊ: a. 7-8 years b. 6-7 years c. 4-5 years d. 9-10 years 311 / 327 311) From the occlusal aspect of permanent mandibular second premolar ααααααααααΎαααΆα: a. 3-cusp type appears parallelogram and the 2-cusp type appears rounded. b. 2-cusp type appears square and the 1-cusp type appears ovoid. c. 3-cusp type appears pentagon and the 2-cusp type appears rounded. d. 3-cusp type appears square and the 2-cusp type appears rounded 312 / 327 312) Enamel completion αααα Permanent maxillary first premolar ααΊα: a. 4 -5 years b. 10 – 11 years c. 5 – 6 years d. 11 – 12 years 313 / 327 313) Labiolingual diameter of crown αααα Permanent maxillary lateral incisor: a. 6.5 mm b. 7 mm c. 7.5 mm d. 6 mm 314 / 327 314) Eruption αααα Permanent maxillary third molar ααΊα a. 17-21 years b. At birth c. 12-16 years d. 18 – 25 Years 315 / 327 315) Labio- or Bucco-lingual diameter at crest of curvature αααα Permanent maxillary first premolar: a. 8.5 mm b. 9 mm c. 8 mm d. 7 mm 316 / 327 316) International FDI numbering system αααα Permanent mandibular lateral incisor left ααΊ : a. 22 b. 32 c. 42 d. 23 317 / 327 317) αα αααααααΎ Cervical cross section αα ααΎ Maxillary central incisor, Pulp cavity ααΆαααΆα: a. αααααααΎ b. ααααΈααα c. ααΌα d. ααΌααααααα 318 / 327 318) Length over all αααα Permanent mandibular lateral incisor: a. 23.5 mm b. 23 mm c. 22.5 mm d. 22 mm 319 / 327 319) In the permanent dentition, the mandibular second premolar is the fifth tooth from : a. The mandibular central incisor in each upper quadrant. b. The midline in each lower quadrant c. The midline in each upper quadrant d. The mandibular central incisor in each quadrant. 320 / 327 320) Universal numbering system αααα Permanent maxillary canine left ααΊ : a. 6 b. 11 c. 43 d. 13 321 / 327 321) Length over all αααα Permanent mandibular second premolar: a. 22 mm b. 22.5 mm c. 23.5 mm d. 23 mm 322 / 327 322) Labiolingual diameter at crest of curvature αααα Permanent mandibular canine : a. 7.5 mm b. 8.5 mm c. 7 mm d. 8 mm 323 / 327 323) How many teeth are in the primary dentition? a. 20 b. 32 c. 10 d. 50 324 / 327 324) Universal numbering system αααα Permanent maxillary second molar right ααΊ : a. 27 b. 7 c. 15 d. 2 325 / 327 325) Mesiodistal diameter at cervical line αααα Permanent maxillary first premolar: a. 5.5 mm b. 4.5 mm c. 4 mm d. 5 mm 326 / 327 326) International FDI numbering system αααα Permanent maxillary first premolar right ααΊ : a. 24 b. 14 c. 5 d. 12 327 / 327 327) αα ααΎLabial surface αααα Permanent maxillary central incisor ααΎαααΆα: a. 2 developmental depressions and 4 lobes b. 2 developmental depressions and 3 lobes c. 3 developmental depressions and 3 lobes d. 3 developmental depressions and 2 lobes Your score isThe average score is 0% Facebook 0% Restart quiz Any comments? 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