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