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dentures > occlusion > Flashcards

occlusion Flashcards

1
Q

orients the maxilla to the rotational axis in 3 planes

A

facebow

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2
Q

its a jaw position and independent of teeth position

A

CR

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3
Q

master casts are articulated after

A

using CR records

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4
Q

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

A

plane of occlusion

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5
Q

the static and dynamic contact relationship between occlusal surfaces of teeth during function

A

articulation

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6
Q

the static relationship between the incising and masticating surfaces of the max and mand teeth or tooth analogues

A

occlusion

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7
Q

type of occlusions

A

monoplane/neutrocentric
lingualized
balanced

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8
Q

occlusal arrangement where posterior teeth have masticatory surface that lack any cuspal height

A

monoplane occlusion

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9
Q

posterior teeth have no cusps and teeth are arranged on flat surface

A

monoplane occlusion

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10
Q

no vertical overlap of anterior teeth

A

monoplane occlusion

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11
Q

occlusion when patients will have to conform to a vertical pattern of mastication

A

monoplane occlusion

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12
Q

severely resorbed ridges

A

monoplane occlusion

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13
Q

skeletal class II, III jaw relations and crossbites

A

monoplane occlusion indications

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14
Q

-posterior teeth on the working side are contacting
-posterior teeth on the non-working (balance side) are not contacting

A

monoplane occlusion (NON-balanced)

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15
Q

cuspless mandibular posterior teeth arranged on a flat plane
-only max lingual cusps are in occlusion with central fossae areas of mand post teeth

A

lingualized, non-balanced occlusion
-all the advantages of the monoplane occlusion and improved esthetics

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16
Q

least esthetic scheme and limiting on the arrangement of anterior teeth
-difficult in food penetration

A

monoplane occlusion disadvantages

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17
Q

bilateral simultaneous occlusal contacts of the anterior and posterior teeth in excursive movements

A

balanced occlusion (both cusps touching)

18
Q

the ant-post and mesial-lingual curvature of occluding surfaces and incisial edges of artificial teeth used to devleop balanced occlusion

A

compensating curve

19
Q

decreasing the anterior guidance angle:

A

will facilitate establishing balanced occlusion

20
Q

hanau’s quint

A

C=(condylar inclination) x (incisial guidance) / (occlusal plane) x (cuspal inclination) x (compcurve)

21
Q

5 factors that affect balanced occlusion

A
  1. condylar inclination
  2. incisal guidance
  3. occlusal plane inclination
  4. compensating curve
  5. cuspal inclination
22
Q

occlusal contacts are made on anterior teeth only in_______ in the attempt to minimize stress/force applied to anterior ridge

A

excursive movements

23
Q

the bilateral, simultaneous, anterior and posterior occlusal contact of teeth in centric relation and eccentric relation

A

balanced occlusion

24
Q

setting flat/hitting on one side and not the other

A

non-balanced

25
Q

hanau’s quint:
incisal guidance=
condylar guidance=
cusp height=
plane of occlusion
compensating curve

A

incisal guidance= anterior influence
condylar guidance= posterior influence/determined by patient anatomy
cusp height=0, 20, 30
plane of occlusion=
compensating curve=excursive movement

26
Q

condylar guidance is determined by

A

the patients anatomy

27
Q

monoplane occlusion indications:

A

-excessive inter-ridge
-skeletal class II, III and crossbite
-successful previous F/F were monoplane
-limited oral dexterity
-severely resorbed ridges

28
Q

ideal ridge forms

A

square to gently round

29
Q

unfavorable ridge forms

A

thin, tall, undercut

30
Q

tuberosities
ideal=
minimum=

A

ideal=5-6
minimum= 4

31
Q

soft palate.
class I
class II
classIII

A

I= ideal >5mm
II= okay 3-5 mm
III= poor <3 mm (hardest to work with

32
Q

border attachments

ideal=
unfavorable=

A

ideal= muscle/frenum attachments are 10 mm or more from crest of ridge

unfavorable= attachments near crest of ridge may interfer with peripheral seal

33
Q

the tongue and complete dentures major impact areas:

A

border seal
tooth placement
speech

34
Q

border seal is absent, stabilizing influence of tongue is absent, rentention/function of mand CD difficult

with what

A

retruded tongue

35
Q

chewing efficiency is ____% of natural teeth

A

20-25%

36
Q

PDI classification system

A

Class I, II, II, IV

37
Q

PDI

straight forward

A

class I

38
Q

PDI

denture supporting anatomy degraded

A

Class II

39
Q

PDI

anatomy degraded; surgical revision needed; additional factors present

A

class III

40
Q

PDI

most debilitated edentulous condition

A

class IV

dentures (9 decks)

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