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