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