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Occlusion > Bootcamp > Flashcards

Bootcamp Flashcards

1
Q

the static relationship between the incising or masticating surfaces of the maxillary and mandibular teeth

A

occlusion

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2
Q

____ is the way teeth are shaped; ____ is the way teeth fit together

A

morphology; occlusion

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3
Q

the tightest or best fit between maxillary and mandibular posterior teeth

A

MI

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4
Q

Is CR affected by malocclusion?

A

NO

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5
Q

A relationship between the teeth that is irrespective of tooth position or vertical dimension:

A

CR

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6
Q

What position do we use when mounting diagnostic casts of our patients teeth?

A

CR

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7
Q

What determines centric relation?

A

Ligaments NOT teeth!

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8
Q

fibrocartilage present between the mandible and elements of articular eminence:

A

articular disc

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9
Q

retrodiscal tissue is ____ to the mandible:

A

posterior

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10
Q

If CR and MIP DO NOT exist together, this is because there hast to be a:

A

prematurity or deflective occlusal contact

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11
Q

average plane established by the incisal and occlusal surfaces of the teeth:

A

occlusal plane

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12
Q

the anteroposterior (or mesiodistal) curvature of cusp tips of the teeth:

A

Curve of Spee

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13
Q

The mandibular curve of spee is _____

The maxillary curve of spee is ____

A

mandibular= concave

maxillary= convex

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14
Q

anteroposterior means:

A

front to back- anterior teeth to posterior teeth

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15
Q

the mediolateral curvature of the cusp tips of the teeth:

A

curve of wilson

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16
Q

the curve of Wilson is the ____ curvature of the cusp tips of the teeth

A

mediolateral

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17
Q

the curve of Wilson spans from the:

A

right to the left side of the arch

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18
Q

side-to-side curve:

front-to-back curve:

A

curve of Wilson

curve of spee

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19
Q

the curve of Wilson in the mandible can be described as:

A

concave

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20
Q

the curve of Wilson in the maxilla can be describe as:

A

convex

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21
Q

functional/working cusps are cusps that are:

A

centric

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22
Q

hold the vertical dimension of occlusion:

A

functional/working

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23
Q

functional/working cusps function in:

A

mastication

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24
Q

functional/working cusps come down in the ____ when they occlude

A

opposing tooth’s central fossae

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25
Q

The functional/working cusps of maxillary teeth:

A

lingual cusps

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26
Q

cusps that do not occlude in the central fossae of opposing teeth:

A

non-functional cusps

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27
Q

The non/functional cusps of maxillary teeth:

A

buccal cusps

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28
Q

the functional/working cusps of the mandibular teeth:

A

buccal cusps

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29
Q

The non-functional cusps of the mandibular teeth:

A

lingual cusps

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30
Q

working/functional cusps occlude in the ___ of opposing teeth

A

central fossae

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31
Q

orthodontic classifications used on the locations of the maxillary and mandibular first molars

A

angles classifications

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32
Q

What is the ideal angles classification?

A

class 1

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33
Q

Angles class 2 and class 3 are considered:

A

malocclusion

34
Q

The MB cusp tip of the maxillary 1st molar is aligned with the MB groove of the mandibular 1st molar:

A

Angles Class I

35
Q

The maxillary canine fits in the facial embrasure between the mandibular canine and 1st premolar

A

Angles Class I

36
Q

The resulting profile of angles class 1:

A

orthognathic

37
Q

no protrusion or recursion of the mandible relative to the maxilla:

A

orthognathic

38
Q

The MB cusp of the maxillary first molar is mesial to the MB groove of the mandibular first molar:

A

Angles Class 2

39
Q

The resulting facial profile from an angles class 2 is:

A

retrognathic

40
Q

The mandible is retruded relative to the maxilla:

A

angles class 2 (retrognathic)

41
Q

Overbite:

A

angles class 2

42
Q

The MB cusp of the maxillary 1st molar is distal to the MB groove of the mandibular 1st molar:

A

angles class 3

43
Q

The facial profile resulting from angles class 3:

A

prognathic

44
Q

The mandible protruded relative to the maxilla:

A

prognathic

45
Q

underbite:

A

prognathic

46
Q

Typically, anterior teeth are ____ inclined

A

labially

47
Q

When you set teeth in a dentures course, you will set maxillary teeth with a:

A

10 degree labial inclination

48
Q

Incisal edges of mandibular incisors should contact the ___ surface of maxillary incisors

A

lingual

49
Q

The contact of the incsial edges of mandibular incisors contacting the lingual surfaces of the maxillary incisors should contact approximately ___ gingival to the incisal edge

A

4mm

50
Q

for anterior teeth: class II division I results in:

A

deep bite (incisal edge of mandibular incisor is contacting the lingual cervical portion of the maxillary incisor

51
Q

for anterior teeth: class II division II results in:

A

the typical class I contact being pushed up cervically

52
Q

The most common result of the class 3 malocclusion in the anterior teeth:

A

end to end incisors

53
Q

Class 3 malocclusion in the anterior teeth can cause end to end incisors but also:

A

under bites and open bites

54
Q

a tooth that is overly erupted an dis abnormally long as a result:

A

supraeruption

55
Q

Often the result of no functional contact between the tooth in question and a tooth in the opposing arch:

A

supraeruption

56
Q

An abnormal twisting of the tooth:

A

torsiversion

57
Q

A tooth that is out of alignment to the labial compared to the ideal arch

A

labioversion

58
Q

Due to mesial drift of posterior teeth, anterior teeth can crowd. The result is overlapping teeth and abnormal contacts tooth to tooth.

A

crowding

59
Q

Often seen in lower anterior teeth:

A

crowding

60
Q

When a short primary tooth is retained into adulthood, its cementum can fuse to surrounding bone stopping its eruption

A

ankylosis

61
Q

extractions of ____ teeth can be difficult

A

ankylosed

62
Q

The distance between a selected point on the mandible and a selected point on the maxilla:

A

Occlusal Vertical Dimension (OVD)

63
Q

When measuring OVD, we place the teeth in:

A

CR or MIP

64
Q

The position of the mandible when all of the muscles that support it are completely at rest:

A

Physiological rest position

65
Q

When in physiological rest position, there is typically a space between the maxillary and mandibular incisors, this space is called:

A

Interocclusal rest space

66
Q

Interocclusal rest space is typically:

A

2-4mm

67
Q

What are the major movements of the mandible that occurs in the opening process?

A

rotation & translation

68
Q

rotation is a purely rotational movement where the body of the mandible:

A

rotates around a fixed horizontal axis line

69
Q

purely rotational movements where the body of the mandible rotates around fixed horizontal axis line can be described as:

A

hinge-like movement

70
Q

Where does rotation occur?

A

in the lower joint space of the TMJ

71
Q

What occurs after rotation when the mouth has opened about halfway?

A

translation

72
Q

During translation, the mandibular condyles and discs:

A

translate forward onto the articular eminences

73
Q

Full movement of the mandible that moves the entire mandible down and forward which occurs in the upper joint space of the TMJ:

A

Translation

74
Q

Type of movement that occurs in the LOWER JOINT SPACE:

A

rotation

75
Q

Type of movement that occurs in the UPPER JOINT SPACE:

A

translation

76
Q

Any movement of the mandible from MIP that results in tooth contact:

A

eccentric movement

77
Q

Any movement of the mandible away from CR include:

A

protrusive movements
laterotrusive movements
retrusive movements

78
Q

Protrusive, laterotrusive, and retrusive movements can all be considered:

A

eccentric movements

79
Q

Movement that occurs when the mandible moves anteriorly:

A

protrusive movement

80
Q

During a protrusive movement, BOTH anterior condyles and articular discs:

A

move forward in their fossa

81
Q

During a protrusive movement, the slopes of the slopes of the articular eminences guide:

A

the mandible down and forward

82
Q

The result of a protrusive movement in a class I occlusion is:

A

The incisors sitting end to end in relation to one another

Occlusion (5 decks)

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