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Flashcards in Anatomy Midterm Deck (70):
1

Which permanent dentition will replace primary 1st molar

First premolar

2

What type of tooth is absent in primary dentition

Premolars

3

Permanent dentition begins at 12 when...

Last primary is lost

4

Line angle

2 angles meet

5

Height of contour

Widest

6

Point angle

3 angles meet

7

Contact area

2 teeth touch

8

What adult teeth nonsuccedaneous

Molars

9

What is located where cusp ridges Converge at central point where grooves meet on a posterior tooth

Central fossa

10

What permanent maxillary teeth have 3 roots

First molars

11

Which teeth have a 5th cusp

Maxillary first molar

12

What does the crown of the tooth do toward the cervical line

Narrows

13

What's true of primary teeth in contrast to permanent

Crowns are narrower at the CEJ than permanent

14

Most maxillary first premolars are bifurcated meaning...

2 roots on the buccal and lingual

15

Marginal groove

Cross marginal ridges and serve as spillway

16

Triangular fossa

Termination of triangular grooves (center)

17

On the lingual surfaces of the anterior teeth, what are the rounded raised borders on the mesial and distal called

Marginal ridges

18

The maxillary second premolar differs from the maxillary first premolar by

Maxillary 2nd has 1 root

19

Which permanent tooth has 5th supplemental lingual cusp and what is it called

Maxillary first molar and Cusp of Carabelli

20

Rounded enamel extension on incisal ridge of newly erupted central and lateral incisors

Mamelons

21

Relationship between maxillary and mandibular teeth when jaws are fully closed

Occlusion

22

Jaw position that produces maximal stable contact between the occluding surfaces of maxillary and mandibular

Centric occlusion

23

Key to angles classification

Permanent maxillary first molar

24

Which 2 teeth vary in form more than any other teeth

3rd molars and maxillary lateral incisors

25

Class 1 occlusion

Neutrocclusion

26

Class 2 division 1 occlusion

Distocclusion and anterior labioversion

27

Class 2 division 2 occlusion

Distocclusion and anterior linguoversion

28

Class 3 occlusion

Mesiocclusion

29

Embryology

Study of prenatal development

30

Stages of prenatal development

Preimplantation, embryonic, and fetal

31

First signs of tooth development found in anterior mandibular region of developing embryo

5-6 weeks old (embryo)

32

Process of laying down bone

Deposition

33

What cells accomplish deposition

Osteoblasts

34

3 primary periods of odontogenisis

Growth, calcification, eruption

35

Enamel forming cells

Ameloblasts

36

Movement of teeth into functional position

Eruption

37

Rectangular area between 2 ridges running under nose

Philtrum

38

Angle at the corner of the mouth

Labial commissure

39

Space between teeth and inner mucosal lining of lips and cheeks

Vestibule

40

Narrow band of tissue that connects two structures

Frenum

41

Normal gingival tissue

Surrounds tooth in collar like fashion, self cleansing, firm, resistant, tightly adapted to tooth/bone

42

What type of gingiva forms the soft wall of gingival sulcus

Free, unattached, marginal

43

Pear shaped pad of tissue behind maxillary central incisors

Incisive papilla

44

Where are tastebuds located

Fungi form papillae, trough of vallate papillae

45

Sense of touch for tongue

Filiform papillae

46

Which tooth is cornerstone of dental arch and why

Canine because it's longest and lost first

47

Plaque

Soft (biofilm)

48

2 forms of periodontal

Gingivitis and periodontal disease

49

Periodontal disease

Infectious disease process that involves inflammation of structures of periodontium can cause cardio disease low birth weight and respiratory disease

50

Calculus

Tartar hard penetrates in cementum

51

Structure of periodontium

Gingivae, epithelial attachment, sulcus, periodontal ligaments, cementum, alveolar bone

52

Histology

Study of structure and function of tissue on a microscopic level

53

Beginning of second week to end of eighth week

Embryonic period

54

Dentin forming cells

Odontoblasts

55

Tissues that support teeth in alveolar bone

Periodontium

56

Cells that resorb cementum

Cementoclasts

57

Cells that resorb bone

Osteoclasts

58

What is oral mucosa made of

Stratified squamous epithelium

59

Name of first period of prenatal development

Preimplantation period

60

Which period of prenatal development is the most critical

Embryonic

61

Embryonic layer that differentiates into cartilage, bones and muscles

Mesoderm

62

Which branchial arch forms bones, muscles, nerves of face and lower lip

First

63

Which branchial arch forms side and front of neck

Second

64

When does development of face occur

5-8 weeks

65

Bone loss or removal

Resorption

66

Name of largest mineral component in enamel

Calcium

67

Pain transmitted through Dentin by

Dentinal fibers

68

Reparative dentin

Tertiary dentin

69

What cells form substance of pulp

Fibroblasts

70

Another word for primary teeth

Deciduous