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Dentistry > Anatomy > Flashcards

Flashcards in Anatomy Deck (37):
1

Dentition

The natural teeth in the dental arch

2

Primary/deciduous dentition

Baby teeth 20 of them A-K

3

Permanent/succedaneous dentition

Adult teeth 32 of them 1-32 molars not succedaneous

4

Mixed dentition

Period that takes place between ages 6-12 when there are some permanent and some primary

5

What age are all primary gone

12

6

What age is permanent dentition complete

14-15 except 3rd molars completed at 18-25

7

What stops after puberty has passed

Growth of jaw bone

8

Maxillary arch

Upper arch dose not move

9

Mandibular arch

Lower arch movable applies force on maxillary

10

Occlusion

When teeth of both arches in contact

11

Sextants

One sixth of dentition 3 in each arch 1-5, 6-11, 12-16 17-21, 22-27, 28-32

12

Incisors

Single rooted sharp thin edge cut food w/o heavy force shovel shape guides food into mouth

13

Canines

"Cuspids" corner of arch cutting/tearing longest teeth/roots in mouth last to be lost (cornerstone)

14

Premolars

"Bicuspids" buccal cusps hold food lingual grinds broad surface

15

Molar

4 or more cusps chews/grinds 4 or 5 cusps on occlusal surface

16

Facial/buccal/labial surface

Closest to face

17

Lingual/palatal surface

Surface of mandibular/maxillary closest to tongue

18

Masticatory surface

Chewing surface

19

Incisal/Incisal edge surface

Masticatory surface on anterior teeth

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Occlusal surface

Masticatory surface of posterior teeth

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Mesial surface

Surface of tooth toward midline

22

Distal surface

Side pointing away from midline

23

Proximal surface

Surfaces adjacent to adjacent teeth

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Interproximal space

Area between adjacent teeth

25

Convex

Curved out

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Concaved

Caved in

27

Contact area

Mesial/distal surface that touches adjacent tooth in same arch

28

Height of contour

Bulge or widest point on surface of crown

29

Embrasure

A triangular space near gums between proximal surfaces of 2 adjoining teeth (air space where teeth meet)

30

Line angle

Where 2 surfaces join rounded corner of tooth. (Transfer from mesial to facial side)

31

Point angle

Where three surfaces meet at a point

32

Apical third

Near tip of root

33

Middle third

Second section. Next to apical third (middle)

34

Cervical third

Nearest to neck of tooth

35

Occlusocervical division

At the crown crosswise division parallel to occlusal surface contains occlusal middle and cervical third

36

Mesiodistal division

Lengthwise division with a mesial middle and distal third

37

Buccolingual division

Lengthwise division labial/buccal lingual division contains facial middle and lingual third