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