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Dental Anatomy > Midterm #1 > Flashcards

Midterm #1 Flashcards

1
Q

Incisors

A

2 medial, 2 lateral

biting, cutting and shearing

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2
Q

Canine

A

1 type (cuspid) (2 total)

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3
Q

Premolars

A

1st and 2nd (4 total)

Aka bicuspids

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4
Q

Molar

A

3 types:
1st 6yr
2nd 12 yr
3rd wisdom

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5
Q

Standard Tooth ID notation

A

Set, Arch, Side, Type, Class

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6
Q

Premolars in Decidious set?

A

NO

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7
Q

Succedaneous

A

Permant teeth that replace exoliated teeth. Replace position NOT TYPE

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8
Q

Number of Succedaneous teeth?

A

20

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9
Q

Are molars or premolar succedaneous?

A

Premolars

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10
Q

Universal Numbering System

A

1-32. Left to right. Right to left

Uses A-T on decidious teeth

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11
Q

FDI System

A

First number IDs quadrent (1-4 P, 5-8 D)

Second Id’s Tooth (1-8 P, 1-5 D)

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12
Q

Palmer System

A

Four brackets. Starting at Midline
1-8 to ID tooth, starting at midline
A-E to ID decidious

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13
Q

Cementum

A

Hard, bonelike tissue that covers the dentin of the anatomic root
65% CaHydroxy, 23 organic, 12 water

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14
Q

Dentin

A

Forms the main body of the tooth. Covered by enamel of the anatomic crown and cementum of the anatomic root
70% CaHydroxy, 18 organic, 12 water

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15
Q

Enamel

A

Hard, mineralized tissue that covers the dentin of the anatomic crown. Is the hardest living tissue in the body but is brittle
95% CaHydroxy, 5% organic

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16
Q

Pulp Chamber

A

found mostly in the antomical crown

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17
Q

Pulp Horns

A

Corresponds to the cusps!

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18
Q

Root Pulp Portion

A

Pulp Canal

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19
Q

Apical Foramen Pulp

A

Hole at root tip

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20
Q

Formative function of Pulp

A

produces dentin via odontoblats

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21
Q

Cervial Line

A

external surface of the tooth where the enamel and cementum meet

22
Q

Cemento Enamel Junction

A

Separates the anatomic crown from the anatomic root

23
Q

Dento enamel Junction

A

the internal line meeting the dentin and enamel in the anatomic crown

24
Q

Anatomical Crown

A

Portion of the tooth covered in enamel

25
Q

Anatomic root

A

portion of the root covered by cementum

26
Q

Clinical Crown

A

Portion of the crown visible in the mouth. May or may not correspond to the anatomic crown. Depends on the level of soft tissue (gums)

27
Q

Clinical Root

A

Portion of the root that is NOT visible in the mouth. May or may not correspond to the anatomic root.

28
Q

Anterior Teeth Nomenclature

A

Facial
Lingual
Incisal

29
Q

Posterior

A

Buccal
Lingual
Occlusal

30
Q

Number of Line angles per tooth?

A

Eight (8)

31
Q

Corwn Thirds

A

Distal, middle, mesial
AND
Incisal, middle, gingival/cervical

32
Q

Root Thirds

A

Cervical, middle, apical

33
Q

Incisor Lobes

A

3 facial lobes via mamelons

1 cingulum lobe (found on ALL P&D anterior teeth)

34
Q

Perikymata

A

horizontal ridges on the enamel of newly erupted permanent teeth. Overlapping enamel

35
Q

Canine Lobes

A

3 facial

1 cingulum

36
Q

Premolar Lobes

A

3 facial

1 lingual

37
Q

Molar Loves

A

4 or 5 lobes, each cusp

38
Q

Incisor cusps

A

None

39
Q

Canine Cusps

A

one (gothic pyramid style)

40
Q

Premolar cusps

A

2-3

41
Q

Molar cusps

A

4+

42
Q

Marginial Ridges

A

M&D on lingual surface of anterior

M&D on occlusal of posterior

43
Q

Triangular Ridges

A

Descends from tips of cusps towards the central area of occlusion

44
Q

Transverse Ridges

A

two triangular ridges

45
Q

Fossa

A

rounded depression or cavity
Anterior-large single shallow
Posterior-2 or more deep

46
Q

Pit

A

Bottom of fossa, usually where bacteria isolates to form cavity!

47
Q

Height of curvature (Contour)

A

Area of greatest convexity

Helps determine food direction/diversion

48
Q

Contact area

A

Where one tooth touches the adjacent tooth

49
Q

Embrassues

A

Occlusal, incisal
Buccal, facial
Lingual

50
Q

Occlusion

A

How the teeth come together

51
Q

Mastication

A

Biting or chewing food

Dental Anatomy (2 decks)

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