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Test Yourself Midterm Flashcards

1
Q
  1. What are the four functions of incisors?
A
  1. Incising, biting, sheering, cutting
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2
Q
  1. What are the five functions of canines?
A
  1. Cutting, piercing, tearing, holding, canine guidance to protect posterior teeth
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3
Q
  1. What are the four functions of premolars?
A
  1. Tearing, holding, grinding, maintain vertical dimension of face
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4
Q
  1. What is the function of molars?
A
  1. Grinding
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5
Q
  1. What is exfoliation?
A
  1. Shedding of deciduous teeth
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6
Q
  1. What is resorption?
A
  1. Deciduous roots are melted away to allow for exfoliation
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7
Q
  1. What does succedaneous mean?
A
  1. Permanent teeth that replace deciduous teeth (only molars are non-succedaneous)
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8
Q
  1. When do deciduous central incisors erupt for mandibular and maxillary?
A
  1. (1st) 6 months, 7.5 months
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9
Q
  1. When do deciduous lateral incisors erupt for mandibular and maxillary?
A
  1. (2nd) 7 months, 9 months
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10
Q
  1. When do deciduous canines erupt for mandibular and maxillary?
A
  1. (4th) 16 months, 19 months
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11
Q
  1. When do deciduous 1st molars erupt for mandibular and maxillary?
A
  1. (3rd) 12 months, 14 months
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12
Q
  1. When do deciduous 2nd molars erupt for mandibular and maxillary?
A
  1. (5th) 20 months, 24 months
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13
Q
  1. When do permanent central incisors erupt for mandibular and maxillary?
A
  1. (2nd) 6-7 years, 7-8 years
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14
Q
  1. When do permanent lateral incisors erupt for mandibular and maxillary?
A
  1. (3rd), 7-8 years, 8-9 years
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15
Q
  1. When do permanent canines erupt for mandibular and maxillary?
A
  1. (4th) 9-10 years, (6th) 11-12 years
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16
Q
  1. When do permanent first premolars erupt for mandibular and maxillary (same)?
A
  1. (5th) 10-11 years, (4th) 10-11 years
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17
Q
  1. When do permanent second premolars erupt for mandibular and maxillary (same)?
A
  1. (6th) 11-12 years, (5th) 11-12 years
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18
Q
  1. When do permanent first molars for mandibular and maxillary (same)?
A
  1. (1st) 6-7 years, 6-7 years
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19
Q
  1. When do permanent second molars erupt for mandibular and maxillary?
A
  1. (7th) 11-13 years, 12-13 years
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20
Q
  1. When do permanent third molars erupt for mandibular and maxillary?
A
  1. (8th) 17-21 years
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21
Q
  1. How does universal numbering characterize permanent and deciduous teeth?
A
  1. Numbers 1-32 and letters A-T
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22
Q
  1. How does the palmer number characterize permanent and deciduous teeth?
A
  1. Bracket includes 1-8 or A-E
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23
Q
  1. How does the FDI number characterize permanent and deciduous teeth?
A
  1. Binomial, Quadrants 1-4 for permanent and 5-8 for deciduous with a second number 1-8 (p) or 1-5 (d)
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24
Q
  1. Give the percent compositions of enamel in hydroxyapatite and organic material.
A
  1. 95% hydroxyapatite and 5% organic
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25
25. What type of cells produce enamel?
25. Ameloblasts
26
26. Give the percent compositions of dentin in hydroxyapatite, water and organic material
26. 70% hydroxyapatite, 12% water, 18% organic (collagen)
27
27. Give the percent compositions of cementum in hydroxyapatite, water and organic material
27. 65% hydroxyapatite, 12% water, 23% organic (collagen)
28
28. What does pulp contain?
28. Living tissue, blood vessels and nerves
29
29. What is contained in the coronal portion?
29. Pulp chamber
30
30. What is contained in the root portion?
30. Pulp canal
31
31. What is contained in the apical foramen?
31. Hole at the root tip
32
32. What are pulp horns?
32. Pointed elongations from the pulp chamber corresponding to the cusps
33
33. What are the four functions of the pulp?
33. Contains dentin producing cells (odontoblasts), sensory, nutritive, defensive/protective
34
34. How many lobes do incisors form from and what do they form?
34. 3 lobes forming mamelons and 1 lobe forming cingulum
35
35. How many lobes do canines form from?
35. 3 facial lobes and 1 cingulum
36
36. How many lobes do premolars form from?
36. 3 facial lobes and 1 lingual cusp
37
37. How many lobes do molars form from and what do they form?
37. 4-5 lobes form cusps
38
38. What is the premolar lobe exception?
38. 3-cusp premolar forms from 5 lobes (3 facial 2 lingual)
39
39. What is lobe exception for maxillary third molars?
39. 3 lobes= 3 cusps
40
40. What is the lobe exception for peg laterals?
40. Less than 3 lobes
41
41. What are the three dentition stages, and what age/feature marks their start?
41. Primary (6 months, eruption of deciduous mandibular central incisor), mixed (6 years, eruption of permanent mandibular first molar), permanent (12 years, exfoliation of deciduous maxillary second molar)
42
1. Where is the facial height of contour for all anterior teeth?
1. Cervical third
43
2. Where is the mesial contact area for maxillary central incisors?
2. Incisal Third
44
3. Where is the lingual height of contour of anterior teeth?
3. Cervical third on cingulum
45
4. Where is the distal contact area for maxillary central incisors?
4. Junction of middle and incisal thirds
46
5. Where are contact areas found?
5. Incisal third, junction and middle and incisal, middle third (never in gingival third)
47
6. How does CEJ on central/lateral incisors compare mesially v. distally?
6. It curves more towards incisal edge on the mesial
48
7. Where is the mesial contact area for maxillary lateral incisors?
7. Junction of middle and incisal thirds
49
8. Where is the distal contact area for maxillary lateral incisors?
8. Middle third
50
9. Where are the contact areas mesially and distally on mandibular central incisors?
9. Incisal third
51
10. Where is the mesial contact area for mandibular lateral incisors?
10. Incisal third
52
11. Where is the distal contact area for mandibular lateral incisors?
11. Junction of middle and incisal thirds
53
12. What is the shape from the facial for a maxillary central incisor?
12. Trapezoid
54
13. What is the shape from the proximal for all anterior teeth?
13. Triangular or wedge
55
14. What is the shape from the lingual for all incisors?
14. S-shaped
56
15. What is the shape from the facial for a maxillary lateral incisor?
15. Oblong
57
16. What is the crown outline for maxillary central incisor?
16. Triangular
58
17. What is the crown outline for maxillary lateral incisor?
17. Oval or round
59
18. Is the incisal edge on mandibular incisors lingual or facial to the long axis of the root?
18. Lingual
60
19. What teeth have a distal twist?
19. Mandibular lateral incisors, mandibular canines
61
20. What is the shape from the facial for mandibular incisors?
20. Rectangle
62
1. What is the longest and longest lasting tooth?
1. Canine
63
2. What shape do canines resemble from facial or lingual?
2. Pentagon
64
4. Where is the mesial contact area for maxillary canines?
4. Junction of incisal and middle thirds
65
5. Where is the distal contact area for maxillary canines?
5. Middle third
66
6. What is the shape of a maxillary canine from the incisal view?
6. Pinched
67
7. What is the shape of a mandibular canine from the incisal view?
7. Oblong
68
8. Is the cusp tip on maxillary canines lingual or facial to the long axis of the root?
8. Facial
69
9. Is the cusp tip on mandibular canines lingual or facial to the long axis of the root?
9. Lingual
70
10. Where is the mesial contact area for mandibular canines?
10. Incisal third
71
11. Where is the distal contact area for mandibular canines?
11. Junction of incisal and middle thirds
72
1. What is the shape of a maxillary first premolar from the buccal?
1. Pentagon
73
2. What is the shape of a maxillary second premolar from the buccal?
2. Bell or pentagon
74
3. What is the shape of maxillary premolars from the proximal?
3. Trapezoid
75
4. Where is the buccal height of contour for all premolars?
4. Cervical third
76
5. Where is the lingual height of contour for maxillary premolars?
5. Middle third
77
6. Where is the mesial/distal contact area for maxillary premolars?
6. Junction of occlusal and middle thirds
78
7. What is the shape of a maxillary first premolar from the occlusal?
7. Hexagonal
79
8. What are the outlines for the occlusal table in all posterior teeth?
8. Marginal ridges and cusp ridges
80
9. What is the shape of a maxillary second premolar from the occlusal?
9. Oblong or oval
81
10. What is the shape of a mandibular first premolar from the buccal?
10. Pentagon
82
11. What is the shape of a mandibular second premolar from the buccal?
11. Bell
83
12. Where is the mesial contact area for the mandibular first premolar?
12. Middle third
84
13. What is the shape for all mandibular posterior teeth from proximal?
13. Rhomboidal
85
14. Where is the lingual height of contour for mandibular first premolar?
14. Middle third
86
15. Where is the mesial/distal contact area for mandibular first premolar?
15. Middle third
87
16. Where is the mesial/distal contact area for mandibular second premolar?
16. Junction of occlusal and middle thirds
88
17. Where is the lingual height of contour for mandibular second premolar?
17. Occlusal third
89
18. What is the occlusal outline for mandibular first premolars?
18. Diamond or rhomboidal
90
19. What is the occlusal outline/table for mandibular second premolars?
19. Pentagon with square occlusal table

Dent ana (16 decks)

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