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Dental Anatomy > Quiz 1 > Flashcards

Quiz 1 Flashcards

1
Q

Single roots are found on what teeth?

A

Incisors, canines and some premolars

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2
Q

Two roots with a bifurcation are found on what teeth?

A

some premolars and molars

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3
Q

Three roots with a trifurcation are found in what teeth?

A

Maxillary molars

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4
Q

What is the alveolar process?

A

The location in the jaw where roots are held

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5
Q

The bone of the tooth socket is called what?

A

Aveolus

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6
Q

Deciduous teeth form after how many weeks in utero?

A

16

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7
Q

When do primary teeth first appear?

A

About 6 months

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8
Q

When does the last primary tooth appear?

A

About 24 months

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9
Q

What primary teeth generally appear first?

A

Mandibular anterior central incisors

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10
Q

How long does mixed dentition last?

A

About 6-12 years

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11
Q

When do permanent maxillary anterior incisors erupt?

A

7-8 yrs

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12
Q

When do permanent max lateral incisors erupt?

A

8-9 years

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13
Q

When do permanent max canines erupt?

A

11-12 yrs

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14
Q

When do permanent bicuspids erupt?

A

10-12 years

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15
Q

When do 3rd molars erupt?

A

17-21 yrs

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16
Q

When do max molars erupt?

A

6-7 yrs, and 12-13 yrs

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17
Q

When do mand central incisors erupt?

A

6-7 yrs

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18
Q

When do mand laterals erupt?

A

7-8 yrs

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19
Q

When do mand canines erupt?

A

9-10

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20
Q

What are three tooth numbering systems we covered?

A

Palmer, FDI, and Universal

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21
Q

The palmer numbering system is used how? Describe it…

A

Teeth are labeled 1-8 and a 90 degree angle is drawn depicting the quadrant

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22
Q

What are the numbers of deciduous maxillary teeth?

A

A-J

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23
Q

What are the numbers of deciduous mandibular teeth?

A

K-T

24
Q

What is the permanent maxillary tooth eruption order in years?

A 
(7 8 1 0 0 6 2)
CI: 7-8 years
LI: 8-9 yrs
Canine: 11-12 yrs
1st Premolar: 10-11 yrs
2nd premolar: 10-12 yrs
1st molar: 6-7 yrs
2nd molar: 12-13 yrs
25
Q

What is eruption pattern of permanent mandibular teeth?

A 
6 7 9 0 1 6 1 
CI: 6-7 yrs
LI: 7-8 yrs
C: 9-10 yrs
1 pre: 10-12 yrs
2 pre: 11-12 yrs
1 molar: 6-7 yrs
2 molar: 11-13
26
Q

When are primary teeth complete in eruption and formation?

A

about age 3

27
Q

When does the deciduous central incisor erupt?

A

about 8 months - 12 months

28
Q

What does succedaneous mean? How many succedaneous teeth do humans have?

A

Replaces an exfoliated deciduous tooth, we have 20

29
Q

What are the 4 tooth tissues? Which are hard and which are soft?

A

Enamel, dentin, cementum (hard)

Pulp (soft)

30
Q

What is the apical foramen?

A

A hole in apex of root that feeds the pulp chamber with nerves, blood supply, etc.

31
Q

what is the major function of maxillary incisors?

A

cut and punch food

32
Q

Do maxillary incisors have cusps?

A

No, have incisal edges of ridges

33
Q

The labial surface of max. central incisor is More/Less convex than the max. lateral or canine

A

less

34
Q

Which incisal edge is sharpest in max central incisor?

A

mesial incisal edge is sharper than distal edge

35
Q

You may see what protrudences in max central incisors?

A

mamelons

36
Q

What is the average length on max central from high point on cervix to incisal edge?

A

10-11 mm

37
Q

What is average mesial - distal length from contact to contact? (widest part o tooth)

A

8-9 mm

38
Q

Which outline is more convex in max central, mesial or distal?

A

Distal

39
Q

The incisal outline on a max central curves very slightly downward toward what edge?

A

mesial incisal (toward center)

40
Q

The root of a max central is usually what length?

A

2-3 mm longer than the crown from cervix to incisal edge

41
Q

the curvatue of the cervical line is greater on what surface of the max central?

A

The curvature of the cervical line is greater on the mesial surface than the distal

42
Q

when looking at max central from incisal view, which measurement is greater, the labiolingual, or the mesiodistal?

A

mesiodistal

43
Q

In max central, where is the pulp cavity the widest?

A

cervical area

44
Q

T/F: Max laterals vary more than any other teeth

A

False, they vary more than any other teeth with exception of the third molar

45
Q

The max lateral is usually what width?

A

about 2 mm narrower than central

46
Q

the root of a max lateral generally curves toward what edge?

A

distal

47
Q

which root has a sharper apex, max central or max lateral?

A

max lateral

48
Q

when looking at a max lateral from labial POV, which outline appears more rounded?

A

distal

49
Q

On a max lateral, the cervical line curve is greater on which surface?

A

mesial

50
Q

What is the biologic width?

A

the area, 2.04 mm avg, between the base of the gingival sulcus and the alveolar crest

51
Q

What is the anatomical crown?

A

The entire area from the CEJ to the incisal surface

52
Q

What is the clinical crown?

A

The visible portion of the crown

53
Q

What is the periodontium?

A

The supporting and investing structures of the tooth; the gingiva, alveolar bone, PDL and cementum

54
Q

What is the pulp cavity?

A

the space or void housing the entire dental pulp

55
Q

What is the pulp chamber

A

the portion of pulp cavity that is housed in the coronal section of the tooth

56
Q

What is the pulp canal

A

the portion of pulp cavity that is housed in the root

Dental Anatomy (1 decks)

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