1. What is the highest and sharpest cusp on the lower first deciduous molar? 2. Which of the following is NOT the correct location of an embrasure?
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2 1. What is the highest and sharpest cusp on the lower first deciduous molar? a. mesiobuccal b. distobuccal c. distolingual d.mesiolingual 2. Which of the following is NOT the correct location of an embrasure? a. occlusal or incisal from the contact area b. facial (buccal or labial) from the contact area c. lingual from the contact area d. cervical from the contact area 3. Which cusp ridge (slope) is longer on upper deciduous canine? a. the mesial cusp ridge b. the distal cusp ridge 4. the largest tooth in oral cavity: a. upper 6 b. lower 6 c. upper 7 d. lower 8 (40 %) e. b and d 5. the angulation by which the lower 4 is inserted in the bone makes its crown inclined : a. lingually b. buccaly c. distally 6. as we go distally, curve of Wilson becomes a. deeper b. shallower c. not affected 7. the second segment of parabolic curve ends at : a. distobuccal cusp of upper 6 b. mesiobuccal cusp of lower 6 2
3 c. distobuccal cusp of lower 6 d. mesiobuccal cusp of upper 6 e. a & b f. c&d 8. in addition to the differences between permanent and deciduous, upper E differs from upper 6 in occlusal aspect in that & in addition to the differences between permanent and deciduous, lower E differs from lower 6 in occlusal aspect in that & the only groove in the molars crowns extending beyond the middle third is the only surface of the molars roots containing dev. Groove (not depression) is the number of the molars containing 3 roots in each side of dental arches is: a. 3 b. 2 c. 5 d Which root in the maxillary first permanent molar often has a second accessory root canal? a. mesiobuccal b. distobuccal c. lingual d. distal 14. overcontour leads to gingival & undercontour leads to gingival Examine the (Universal system )for teeth listed here. Which one IS a succedaneous tooth? A. 31 B. 18 C. 3 D Which of the following incisors has its mesial and distal contact areas at the same incisocervical level? A. Mandibular lateral B. Maxillary lateral C. Mandibular central D. Maxillary central 17. The CLINICAL crown may be defined as the portion of the tooth 3
4 A. covered with cementum. B. actually embedded in the jaw. C. incisal or occlusal to the gingiva. D. attached to the free gingiva. 18 Imagine that you are looking at the occlusal surface of any of the premolars. Question: name each the various TYPES of RIDGES that you would find on premolar occlusal surfaces. (Do NOT distinguish between mesial/distal or buccal/lingual. More 19. What is the name of the space formed gingival (apical) to the contact area when two proximal surfaces of adjacent teeth are in contact? 20. Upon what surface do you find marginal ridges in incisor teeth? 21. A LOBE best correlates with which one of these landmarks? A. marginal ridges B. roots C. root canals D. fossa and sulcus E. cusps and mamelons 22. Which of the following teeth is MOST LIKELY to have a lingual pit? A. 23 B. 11 C. 9 D Which of the following represents the normal eruption age (years) of the maxillary lateral incisors? A. 4-5 years B. 6-7 years C. 8-9 years D years 24. From your knowledge of eruption dates, please answer this question: 4
5 In a person who experiences normal eruption and exfoliation dates, how many years would the SECOND DECIDUOUS MOLAR and FIRST PERMANENT MOLAR be in contact with each other? A. 1-2 years B. 4-5 years C. 6-8 years D. 10 years 25. The primary function of the pulp is A. to form dentin. B. nutritive. C. protective. D. dysplasia. 26. The lingual cusp(s) on which of the following mandibular posterior teeth is (are) approximately 2/3 the height of the respective facial cusp(s)? A. third molar B. second molar C. first molar D. second premolar E. first premolar 27. You are examining your first patient has two upper right lateral incisors. Such an extra tooth is called a 27. You are examining your first patient has two upper right lateral incisors. Such an extra tooth is called a 28. What is the term that describes the tendency of permanent posterior teeth to migrate mesially in the dental arch Which of the following maxillary teeth has the largest cervico-occlusal crown height? A. third molar B. second molar C. first molar D. second premolar E. first premolar 5
6 30. Which one of the following teeth is MOST LIKELY to have a CUSP? A. 24 B. 6 C. 10 D. 26 E In (at) which of the following is the mesial contact area of a maxillary canine located? A. the junction of the middle and cervical thirds B. the middle third C. the junction of the incisal and middle thirds D. the incisal third E. between the bumper and the headlight 32. On the crown of the maxillary canine, WHAT LOBE includes the cusp tip? A. mesial facial lobe B. middle facial lobe C. distal facial lobe D. lingual lobe E. occlusomedial lobe 33. Examine the list of teeth shown below. Which one is MOST LIKELY to have a bifurcated root? A. 8 B. 11 C. 26 D 27 E In a cervical cross section, which premolar(s) sometimes exhibit a root outline and a pulp chamber floor outline that are both kidney-shaped? A. All premolars B. Mandibular second C. Maxillary second D. Mandibular first E. Maxillary first. 6
7 36. There is a depression found on the mesial aspect of maxillary first premolar. What is that depression called? 37. On the crowns of maxillary premolars, the height of contour is normally located in the cervical third on which of the following surfaces? A. Distal B. Mesial C. Lingual D. Facial E. Occlusal 38. Which premolar has the smallest lingual cusp relative to its buccal cusp? 39. When examining a lower first premolar, which marginal ridge is highest occlusally? A. Mesial B. Distal 40. The term that describes the congenital absence of teeth is 41. Shovel-shaped incisors are most likely is: A. All incisors B. Mandibular lateral C. Maxillary central D. Mandibular central 42. How many cingula are there in the adult dentition? 43. You are examining a patient with Upper and lower first permanent molars Upper deciduous canine but a lower permanent canine Upper and lower first and second deciduous molars Upper and lower permanent central and lateral incisors. Name a paramasticatory function of teeth. (Do NOT mention speech or esthetics in your answer) 44:Question: what is the likely age of this patient? A. 6-7 years B. 8-9 years of age C years D. 15 years of age 45. Which of the following molars MOST frequently have only three cusps? A. Mandibular first molar 7
8 B. Mandibular third molar C. Maxillary first molar D. Maxillary third molar 46. Which ROOT CANAL in the lower first permanent molar is the biggest? A. Mesial B. Mesial buccal C. Distal buccal D. Distal 47. When upper 8 is heart-shaped, which cusp is the smallest-or even absent? A. Mesiobuccal B. Mesiolingual C. Distobuccal D. Distolingual 48. First deciduous molar have a prominent bulge of enamel...where? A. Mesial at the buccal B. Mesial at the lingual C. Distal at the buccal 51. Identify the deciduous tooth that doesn't resemble any other tooth in the mouth. 52. At 8 years of age how many primary teeth remain in the mouth: A B. 4-6 C. 8 D This premolar is sometimes called a 'tricuspid': a. 4 b.5 c. 28 d What are those rounded protuberances seen on the incisal edges of freshly erupted upper central incisors? 56. Which of the four classes of permanent teeth is NOT succedaneous 57. Each of the following morphologic structures can be seen on any incisor EXCEPT one. Which one is the EXCEPTION? a. cingulum 8
9 b. mesial marginal ridge c. lingual fossa d. transverse ridge e. distal marginal ridge 58. How long are the deciduous lower central incisors functional in the mouth? a. five years b. four years c. nine years 59. Which of the following is NOT the correct location of an embrasure? a. occlusal or incisal from the contact area b. facial (buccal or labial) from the contact area c. lingual from the contact area d. cervical from the contact area Which of the four premolars is the SMALLEST? a. mandibular first premolar b. mandibular second premolar c. maxillary first premolar d. maxillary second premolar 61. On an unworn, freshly erupted upper permanent canine, which cusp ridge is longer? 9
10 a. the mesial cusp ridge b. the distal cusp ridge 62. Examine the diagram reproduced to the right. What class of malocclusion is pictured here? 66. In the comparison of the rhomboidal and heart-shaped crown outlines of maxillary molars, the crown portion that differs MOST in contour and size is the a. mesiofacial b. distofacial c. mesiolingual d. distolingual 67. The largest incisal/occlusal embrasure is located between which of the following teeth? a. maxillary canine and first premolar b. mandibular lateral incisor and canine c. maxillary lateral incisor and canine d. mandibular central and lateral incisors 68. From the facial view, the maxillary first molar has its lingual root apex in line with which of the following? a. distofacial cusp tip b. mesiofacial cusp tip 10
11 c. facial groove d. distofacial line angle 69. Which one of the following features is unique to upper molar teeth? a. mesiobuccal cusp b. two roots c. mesiomarginal ridge d. oblique ridge 70. What is an EXTRA or ACCESSORY tooth called? tooth 71. The only cusped tooth without an occlusal table (surface) is a/an. 72. What premolar is this? a. maxillary first b. mandibular first c. mandibular second 78. Name the cell that forms dentin. 76. When a buccal triangular ridge and a lingual triangular ridge join as seen on an lower premolar, what is that kind of ridge called? 77. What are the only teeth in the permanent dentition which replace primary teeth of a different class? 80. what are teeth formed of 5 lobes? 81. the ridges which is present in all teeth a. marginal and triangular b. marginal and buccal c. marginal and cervical d. cervical and triangular 11
12 82. What is that linear curve called that is formed by the occlusal surfaces of the teeth when examined from the side D 2 D 3 A 4 A 5 B 6 A 7 F 8 NO DISTOBUCC. CONVERGENCY & FLAT BUCCAL OUTLINE 9 RECTANGULAR(NOT HEXAGONAL) & EQUAL BUCC CUSPS 10 DISTOBUCCAL GR. OF LOWER 6 11 BUCCAL TRUNK OF UPPER 6 12 C (3 PERMANENT + 2 DECIDUOUS) 13 E (UPPER 4 &5 LOWER 6,7,&8 lower D&E) 14 INFLAMATION / IRRITATION AND RECESSION 15 D 16 C 17 C 18 TRIANGULAR, MARGINAL, TRANSVERSE 19 INTERPROXIMAL SPACE 20 LINGUAL 21 E 22 D 23 C 24 B 25 C 26 E 27 SUPERNUMERARY 28 MESIAL DRIFT 29 E 30 B 31 C 32 B 33 D 12
13 35 E 36 CANINE FOSSA 37 D 38 LOWER 4 39 B 40 ANODONTIA 41 C B 44 JAW GROWTH 45 D 46 A (IF THERE IS ONE CANAL IN MESIAL ROOT.) 47 D 48 A 49 E 51 LOWER D 52 A 53 B 54 D 55 MAMELON 56 MOLARS 57 D 58 A 59 D 60 A 61 B 62 CLASS 2 66 D 67 A 68 C 69 D 70 SUPERNUMERARY 71 CANINE 72 UPPER 4 73 B 74 D 75 MAMELON 76 TRANSVERSE 77 PREMOLARS 78 ODONTOBLAST 79 D 80 LOWER 5(3CUSP) +LOWER 6+LOWER E+LOWER 8 40% 81 C 82 CURVE OF SPEE 83 MESIOBUCCAL 13
14 1. the tooth which has both oblique and transverse ridges is a. upper 6 b. lower 6 c. lower 5 d. lower 8 (40 %) e. b and d 2. the only cusp which has 2 triangular ridges is a. mesiobuccal of upper 6 b. mesiolingual of upper 6 c. distolingual of lower 6 d.mesiobuccal of lower 6 3. the largest cusp in the oral cavity is a. mesiobuccal of upper 6 b. mesiolingual of upper 6 c. distolingual of lower 6 d.mesiobuccal of lower 6 4. the lower 5 (2 cusp type) is characterized by: a. mesiobuccal dev. groove b. distobuccal dev. depression c. distolingual dev. depression d.mesial marginal dev. groove 5. the roots of upper 7 are: a. shorter than roots of upper 6 b. longer than roots of upper 6 c. same as roots of upper 6 6. the buccolingual dimension of the lower 6 is largest in : a. mesial 1/3 b. middle 1/3 c. distal1/3 7. which tooth may contain distobuccal groove a. lower 6 b. lower E c. lower 8 d. all of above e. A&B 8. the root of deciduous teeth completed after eruption by: a. 2 years b. 2-3 years c. 1year d years 9. What is the highest and sharpest cusp on the lower first deciduous molar? 14
15 a. mesiobuccal b. distobuccal c. distolingual d.mesiolingual 10. Which of the following is NOT the correct location of an embrasure? a. occlusal or incisal from the contact area b. facial (buccal or labial) from the contact area c. lingual from the contact area d. cervical from the contact area 11. Which cusp ridge (slope) is longer on upper deciduous canine? a. the mesial cusp ridge b. the distal cusp ridge 12. the largest tooth in oral cavity: a. upper 6 b. lower 6 c. upper 7 d. lower 8 (40 %) e. b and d 13. the angulation by which the lower 4 is inserted in the bone makes its crown inclined : a. lingually b. buccaly c. distally 14. as we go distally, curve of Wilson becomes a. deeper b. shallower c. not affected 15. the second segment of parabolic curve ends at : a. distobuccal cusp of upper 6 b. mesiobuccal cusp of lower 6 c. distobuccal cusp of lower 6 d. mesiobuccal cusp of upper 6 e. a & b f. c&d 16. in addition to the differences between permanent and deciduous, upper E differs from upper 6 in occlusal aspect in that & in addition to the differences between permanent and deciduous, lower E differs from lower 6 in occlusal aspect in that &
16 18. the only groove in the molars crowns extending beyond the middle third is the only surface of the molars roots containing dev. Groove (not depression) is the number of the molars containing 3 roots in each side of dental arches is: a. 3 b. 2 c. 5 d Which root in the maxillary first permanent molar often has a second accessory root canal? a. mesiobuccal b. distobuccal c. lingual d. distal 22. overcontour leads to gingival & undercontour leads to gingival What is the name of the space formed gingival (apical) to the contact area when two proximal surfaces of adjacent teeth are in contact? 24. You are examining a patient has an extra tooth it is called a 25. What is the term that describes the tendency of permanent posterior teeth to migrate mesially in the dental arch Which of the following molars MOST frequently have only three cusps? A. Mandibular first molar B. Mandibular third molar C. Maxillary first molar D. Maxillary third molar 27. When upper 8 is heart-shaped, which cusp is the smallest-or even absent? A. Mesiobuccal B. Mesiolingual C. Distobuccal D. Distolingual 28. First deciduous molar have a prominent bulge of enamel...where? A. Mesial at the buccal B. Mesial at the lingual C. Distal at the buccal 29. Identify the deciduous tooth that doesn't resemble any other tooth in the mouth. 16
17 30. At 8 years of age how many primary teeth remain in the mouth: A B. 4-6 C. 8 D How long are the deciduous lower central incisors functional in the mouth? a. five years b. four years c. nine years 32. From the facial view, the maxillary first molar has its lingual root apex in line with which of the following? a. distofacial cusp tip b. mesiofacial cusp tip c. facial groove d. distofacial line angle 33. Which one of the following features is unique to upper molar teeth? a. mesiobuccal cusp b. two roots c. mesiomarginal ridge d. oblique ridge 34. What is that linear curve called that is formed by the occlusal surfaces of the teeth when examined from sagittal view. 35. teeth with 5 lobes are. 17
18 1 A 2 B 3 B 4 C 5 A 6 A 7 D 8 D 9 D 10 D 11 A 12 A 13 B 14 A 15 F 16 NO DISTOBUCC. CONVERGENCY & FLAT BUCCAL OUTLINE 17 RECTANGULAR(NOT HEXAGONAL) & EQUAL BUCC CUSPS 18 DISTOBUCCAL GR. OF LOWER 6 19 BUCCAL TRUNK OF UPPER 6 20 C (3 PERMANENT + 2 DECIDUOUS) 21 A 22 INFLAMATION / IRRITATION 23 INTERPROXIMAL SPACE 24 SUPERNUMERARY 25 MESIAL DRIFT 26 D 27 D 28 A 29 LOWER D 30 D 31 A 32 C 33 D 34 CURVE OF SPEE 35 Lower 5(3 cusp type) lower 6, lower E and lower 8 (40%) 18
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