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