Bootcamp Flashcards by Abagayle Moody

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

occlusion

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

morphology; occlusion

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the tightest or best fit between maxillary and mandibular posterior teeth

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Is CR affected by malocclusion?

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

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

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What determines centric relation?

Ligaments NOT teeth!

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fibrocartilage present between the mandible and elements of articular eminence:

articular disc

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retrodiscal tissue is ____ to the mandible:

posterior

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

prematurity or deflective occlusal contact

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

occlusal plane

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

Curve of Spee

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The mandibular curve of spee is _____

The maxillary curve of spee is ____

mandibular= concave

maxillary= convex

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anteroposterior means:

front to back- anterior teeth to posterior teeth

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the mediolateral curvature of the cusp tips of the teeth:

curve of wilson

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

mediolateral

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the curve of Wilson spans from the:

right to the left side of the arch

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side-to-side curve:

front-to-back curve:

curve of Wilson

curve of spee

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

concave

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

convex

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functional/working cusps are cusps that are:

centric

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hold the vertical dimension of occlusion:

functional/working

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functional/working cusps function in:

mastication

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

opposing tooth’s central fossae

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The functional/working cusps of maxillary teeth:

lingual cusps

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

non-functional cusps

The non/functional cusps of maxillary teeth:

buccal cusps

the functional/working cusps of the mandibular teeth:

buccal cusps

The non-functional cusps of the mandibular teeth:

lingual cusps

working/functional cusps occlude in the ___ of opposing teeth

central fossae

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

angles classifications

What is the ideal angles classification?

class 1

Angles class 2 and class 3 are considered:

malocclusion

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

Angles Class I

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

Angles Class I

The resulting profile of angles class 1:

orthognathic

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

orthognathic

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

Angles Class 2

The resulting facial profile from an angles class 2 is:

retrognathic

The mandible is retruded relative to the maxilla:

angles class 2 (retrognathic)

Overbite:

angles class 2

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

angles class 3

The facial profile resulting from angles class 3:

prognathic

The mandible protruded relative to the maxilla:

prognathic

underbite:

prognathic

Typically, anterior teeth are ____ inclined

labially

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

10 degree labial inclination

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

lingual

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

4mm

for anterior teeth: class II division I results in:

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

for anterior teeth: class II division II results in:

the typical class I contact being pushed up cervically

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

end to end incisors

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

under bites and open bites

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

supraeruption

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

supraeruption

An abnormal twisting of the tooth:

torsiversion

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

labioversion

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

crowding

Often seen in lower anterior teeth:

crowding

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

ankylosis

extractions of ____ teeth can be difficult

ankylosed

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

Occlusal Vertical Dimension (OVD)

When measuring OVD, we place the teeth in:

CR or MIP

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

Physiological rest position

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

Interocclusal rest space

Interocclusal rest space is typically:

2-4mm

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

rotation & translation

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

rotates around a fixed horizontal axis line

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

hinge-like movement

Where does rotation occur?

in the lower joint space of the TMJ

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

translation

During translation, the mandibular condyles and discs:

translate forward onto the articular eminences

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

Translation

Type of movement that occurs in the LOWER JOINT SPACE:

rotation

Type of movement that occurs in the UPPER JOINT SPACE:

translation

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

eccentric movement

Any movement of the mandible away from CR include:

protrusive movements laterotrusive movements retrusive movements

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

eccentric movements

Movement that occurs when the mandible moves anteriorly:

protrusive movement

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

move forward in their fossa

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

the mandible down and forward

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

The incisors sitting end to end in relation to one another