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Dentistry > Anatomy Midterm > Flashcards

Anatomy Midterm Flashcards

1
Q

Which permanent dentition will replace primary 1st molar

A

First premolar

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2
Q

What type of tooth is absent in primary dentition

A

Premolars

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3
Q

Permanent dentition begins at 12 when…

A

Last primary is lost

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4
Q

Line angle

A

2 angles meet

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5
Q

Height of contour

A

Widest

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6
Q

Point angle

A

3 angles meet

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7
Q

Contact area

A

2 teeth touch

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8
Q

What adult teeth nonsuccedaneous

A

Molars

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9
Q

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

A

Central fossa

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10
Q

What permanent maxillary teeth have 3 roots

A

First molars

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11
Q

Which teeth have a 5th cusp

A

Maxillary first molar

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12
Q

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

A

Narrows

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13
Q

What’s true of primary teeth in contrast to permanent

A

Crowns are narrower at the CEJ than permanent

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14
Q

Most maxillary first premolars are bifurcated meaning…

A

2 roots on the buccal and lingual

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15
Q

Marginal groove

A

Cross marginal ridges and serve as spillway

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16
Q

Triangular fossa

A

Termination of triangular grooves (center)

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17
Q

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

A

Marginal ridges

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18
Q

The maxillary second premolar differs from the maxillary first premolar by

A

Maxillary 2nd has 1 root

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19
Q

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

A

Maxillary first molar and Cusp of Carabelli

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20
Q

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

A

Mamelons

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21
Q

Relationship between maxillary and mandibular teeth when jaws are fully closed

A

Occlusion

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22
Q

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

A

Centric occlusion

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23
Q

Key to angles classification

A

Permanent maxillary first molar

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24
Q

Which 2 teeth vary in form more than any other teeth

A

3rd molars and maxillary lateral incisors

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25
Q

Class 1 occlusion

A

Neutrocclusion

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26
Q

Class 2 division 1 occlusion

A

Distocclusion and anterior labioversion

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27
Q

Class 2 division 2 occlusion

A

Distocclusion and anterior linguoversion

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28
Q

Class 3 occlusion

A

Mesiocclusion

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29
Q

Embryology

A

Study of prenatal development

30
Q

Stages of prenatal development

A

Preimplantation, embryonic, and fetal

31
Q

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

A

5-6 weeks old (embryo)

32
Q

Process of laying down bone

A

Deposition

33
Q

What cells accomplish deposition

A

Osteoblasts

34
Q

3 primary periods of odontogenisis

A

Growth, calcification, eruption

35
Q

Enamel forming cells

A

Ameloblasts

36
Q

Movement of teeth into functional position

A

Eruption

37
Q

Rectangular area between 2 ridges running under nose

A

Philtrum

38
Q

Angle at the corner of the mouth

A

Labial commissure

39
Q

Space between teeth and inner mucosal lining of lips and cheeks

A

Vestibule

40
Q

Narrow band of tissue that connects two structures

A

Frenum

41
Q

Normal gingival tissue

A

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

42
Q

What type of gingiva forms the soft wall of gingival sulcus

A

Free, unattached, marginal

43
Q

Pear shaped pad of tissue behind maxillary central incisors

A

Incisive papilla

44
Q

Where are tastebuds located

A

Fungi form papillae, trough of vallate papillae

45
Q

Sense of touch for tongue

A

Filiform papillae

46
Q

Which tooth is cornerstone of dental arch and why

A

Canine because it’s longest and lost first

47
Q

Plaque

A

Soft (biofilm)

48
Q

2 forms of periodontal

A

Gingivitis and periodontal disease

49
Q

Periodontal disease

A

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

50
Q

Calculus

A

Tartar hard penetrates in cementum

51
Q

Structure of periodontium

A

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

52
Q

Histology

A

Study of structure and function of tissue on a microscopic level

53
Q

Beginning of second week to end of eighth week

A

Embryonic period

54
Q

Dentin forming cells

A

Odontoblasts

55
Q

Tissues that support teeth in alveolar bone

A

Periodontium

56
Q

Cells that resorb cementum

A

Cementoclasts

57
Q

Cells that resorb bone

A

Osteoclasts

58
Q

What is oral mucosa made of

A

Stratified squamous epithelium

59
Q

Name of first period of prenatal development

A

Preimplantation period

60
Q

Which period of prenatal development is the most critical

A

Embryonic

61
Q

Embryonic layer that differentiates into cartilage, bones and muscles

A

Mesoderm

62
Q

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

A

First

63
Q

Which branchial arch forms side and front of neck

A

Second

64
Q

When does development of face occur

A

5-8 weeks

65
Q

Bone loss or removal

A

Resorption

66
Q

Name of largest mineral component in enamel

A

Calcium

67
Q

Pain transmitted through Dentin by

A

Dentinal fibers

68
Q

Reparative dentin

A

Tertiary dentin

69
Q

What cells form substance of pulp

A

Fibroblasts

70
Q

Another word for primary teeth

A

Deciduous

Dentistry (63 decks)

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