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Patient care II > Occlusal examination > Flashcards

Occlusal examination Flashcards

1
Q

malocclusion is when a deflection from the normal relation of teeth in the __ or __ arch

A

same or opposing

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2
Q

angles classification is based off of the maxillary __

A

MB cusp of max. 1st molar

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3
Q

angles classification is based off of the mandibular __

A

buccal groove of mand. 1st molar

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3
Q

Class I- MB cusp of max 1st molar __ buccal groove of mand 1st molar

A

bisects

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4
Q

class I malocclusion characterized by

A

crowding, rotation, and other positional abnormalities

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4
Q

class III- MB cusp of max 1st molar is __ to buccal groove of mand 1st molar

A

distal

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4
Q

class II- MB cusp of max 1st molar is __ to mand 1st molars buccal groove

A

mesial

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4
Q

overjet is the __ overlap of max CI over mand CI

A

horizontal

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4
Q

overjet is measured using a __

A

periodontal probe

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4
Q

angle’s class II is also known as an __

A

overbite

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4
Q

overbite can also be around __ of the height of the mandibular incisors

A

20-30%

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5
Q

angle’s class III is also known as an __

A

underbite

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5
Q

overbite is the __ overlap of the max CI over the mand CI

A

vertical

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6
Q

anterior crossbite is the __ growth of the mandible exceeds the maxilla

A

horizontal

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6
Q

overjet is normally __ mm

A

2-3

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7
Q

generally erosive tooth wear is classified by the specific __ responsible for the wear

A

mechanism

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7
Q

anterior crossbite lower anterior teeth end up __ to the upper anterior teeth

A

in front

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7
Q

anterior crossbite can also result from underdevelopment of the __

A

maxilla

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7
Q

normal overbite is normally __ mm

A

2-3

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7
Q

the etiology of dental wear is __

A

multifactorial

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7
Q

evidence of occlusal wear/ trauma

A

-wear facets
-broken restorations
-chipped teeth

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8
Q

attrition is a result of __ movements of the mandible

A

functional or para- functional

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8
Q

evidence of bruxism

A

-bony ridges
-gingival recession
-abfractions
-broken teeth and restorations
-excessive attrition

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8
Q

attrition is the mechanical wear of the __ surfaces

A

incisal or occlusal

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8
Q

with attrition __ accelerates

A

bruxism

9
Q

attrition can be __ related

A

age

10
Q

with attrition __ surfaces match jaw movements and usually have similar degree of wear

A

occlusal

11
Q

abfraction is a form of wear along the __ that is not caused by acid activity

A

gingival margin

12
Q

abfraction has __ wedge- shaped defects

A

cervical

13
Q

bruxism can result in abfractions because __ area of tooth __ under the load

A

cervical, flexes

14
Q

abfraction is __

A

physical

15
Q

abrasion is tooth loss resulting from __ between the teeth and external objects

A

direct frictional forces

16
Q

abrasion is tooth loss resulting from frictional forces between contacting teeth in the presence of an __

A

abrasive medium

17
Q

abrasion may also occur from improper __ techniques

A

brushing

18
Q

abrasion from improper brushing most common seen as a sharp, __ notch

A

V- shaped

19
Q

abrasion from improper brushing most common in the __ of the tooth

A

gingival 1/3

20
Q

abrasion can also occur from __ such as holding a pipe stem by the teeth

A

habits

21
Q

interproximal abrasion can be from __

A

toothpicks

22
Q

incisal notching abrasion can be from __

A

-nails
-pipe

23
Q

cervical abrasion can be from __

A

toothbrushing

24
Q

erosion is the loss of tooth structure by a __ action

A

chemicomechanical

25
Q

erosion on the facial can be from __

A

lemons, acidic liquids

26
Q

erosion on the lingual can be from __

A

bulimia

27
Q

bulimia can cause these issues

A

-thinning, chipping of incisal edges
-anterior open bite
-loss of vertical dimension

28
Q

bulimia oral signs

A

-raised amalgams
-thermal sensitivity

29
Q

what angles class is this?

A

I

30
Q

what angles class is this?

A

II

31
Q

what angles class is this?

A

III

32
Q

what is this?

A

anterior cross bite

33
Q

what is this?

A

posterior cross bite

34
Q

this is an example of

A

attrition

35
Q

this is an example of

A

abfraction

36
Q

this is an example of

A

erosion

37
Q

this is an example of

A

bulimia

38
Q

what is the most common cause of bruxism for children and adolescents?

****

A

malocclusion

39
Q

with attrition teeth wear down on the occlusal surface altering the __

A

vertical dimension

40
Q

attrition may not only affect the crown height but the __

A

interproximal contact relationships

41
Q

attrition affecting interproximal contacts can put the __ closer together when in occlusion

A

mandible and maxilla

42
Q

where is abfraction most common?

A

the incisors due to constant force

43
Q

goals of night guards

A

-redistribute occlusal forces
-relax masticatory muscles
-stabilize TMJ
-protect dentition
-decrease symptoms
-reduce bruxism

Patient care II (12 decks)

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