Denture Napoleon Dynamite Part II Flashcards Preview

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Flashcards in Denture Napoleon Dynamite Part II Deck (156):
1

Premature, deflective contacts between artificial teeth cause what?

Movement of the teeth

2

What 2 types of guidance are definitely NOT part of a denture?

Anterior

Canine

3

Instead of Anterior or Canine guidance, what are we looking for in a denture?

Balanced Occlusion

4

Balance Occlusion is both _______ (side to side) and ________

Excursive

Protrusive

5

T/F
A goal of complete denture occlusion is to limit trauma to the supporting structures

True

6

Bilateral Balanced Denture Occlusion: simultaneous contact of upper/lower teeth in _____

*smooth bilateral gliding to ANY eccentric position w/in...

developed to lessen/limit tipping or ______ or denture bases in relation to supporting structures

Centric Relation

normal range Mn function

rotation

7

3 functions of Record Bases:

Support Wax Rim

Facilitate Mx/Mn relation records

Provide a BASE for Try-In

8

Mx occlusal Wax Rim ___mm

Mn occlusal Wax Rim ___mm

22mm

15-18mm

9

How much tooth should be showing on the Maxillary try-in?

1-2 mm

*protruding below lip

10

2 Planes that must be lined up to the Occlusal Plane:

Inter-Pupillary Line

Camper's Line

11

The Camper's Line, aka...

Ala-Tragus line

12

Once the Wax Rims are in, what 3 markings need to be made on it?

Smile Line

Midline

Canine Line

13

Measure the distance between the canines to determine what?

The size of the teeth

14

In order to establish a balanced occlusion we must transfer Mx/Mn relationship to the _____

Do this using a...

Articulator

Facebow

15

The facebow orients what 2 features?

Maxilla

Terminal Hinge Axis

16

T/F
The facebow provides the same relative opening axis on the articulator as the mandible has to the TMJ

True

17

Blind orientation, Without a Facebow, on articulator may result in what type of error?

Lateral Jaw Movement

18

Facebow record gives us Mx to Terminal Hinge Axis, and what else?

Mn to TMJ opening axis on articulator

19

Mn rotates in the Saggital Plane via?

Transverse Horizontal Axis

20

T/F
The true Hinge Axis is easy to determine

False

*esp in edentulous

21

Estimated Hinge Axis location:

Must be how close to the actual hinge axis?

What serves as the Arbitrary Location?

Arbitrary hinge axis

6 mm

Ear-bows (Ext. Auditory Meatus)

22

4 Reasons to Use a Facebow:

Cusped teeth

Balanced Occlusion in eccentric positions

VOD might change

Cusp to Fossa/Cusp to Marginal Ridge

23

If cusp to fossa or cusp to marginal ridge is required, what to do?

Use Facebow

24

2 Examples of Arbitrary Facebows:

Denar

Whip Mix

25

The Denar Slidematic Facebow needs a 3rd point of reference ____mm from the Incisal Edge using a Reference Plane Locator

43 mm

26

Denar Slidematic Facebow - slide shaft of bitefork through the ___ Clamp

Position the Anterior Pointer to the ___ Point of Reference

#2

3rd

27

Whip Mix Facebow measurements: ___ mm higher/lower than Ext. Auditory Meatus

Naison rest ____mm above main bow

___ in the anterior

2 mm

22 mm

24 mm

28

Prior to mounting the Cast on the Articulator, the centric latch must be ______ and the Bennet side-shift set at ______

locked

zero

29

VDR

Vertical Dimension of Rest

*aka Physiologic rest position

30

How do we get patients in VDR?

m m m

emma emma emma

31

VDO

Vertical Dimension of Occlusion

32

VDR VDO difference =

Freeway Space

33

The Freeway space, aka...

Interocclusal Rest Space

34

The distance between the occluding surfaces of the Mx and Mn teeth when the Mn is in its physiologic rest position

Interocclusal Rest Space (Freeway Space)

35

VDR and VDO points of reference are usually where?

Chin and Nose

36

Facial measurements, Tactile Sense, Phonetics (emma), and facial expression are all ways to determine Physiologic Rest Position

True

37

The Free Way Space (interocclusal rest space) is usually what dimension?

2-3mm

38

VDR - Free Way Space =

VDO

39

What defines the Closest Speaking Space?

How much space is between the Incisal Edges?

when 'ss' words can be pronounced

*incisal edges 1-2 mm apart

40

Inadequate Interocclusal Rest Space:

excessive matl on Mn

*you need more rest space, take matl off Mn

41

Clicking teeth, facial distortion (tense/strained), difficulty closing lips, difficulty Swallowing, soreness under denture, increased ridge resorption

Inadequate Interocclusal Rest Space

*Excessive VDO

42

Reduced interarch distance, Potential damage to TMJ, Tongue space limited, Facial Distortion, Muscles lose tonicity, Angular Chelitis:

Excessive Interocclusal Rest Space

*Inadequate VDO

43

If Excessive Interocclusal Rest Space,

add more to the Mn

44

VDR is a ______

CR is a _____

measurement

relationship

45

Centric Relation is Mx/Mn relationship in which condyles articulate with the ________ portion of disks in the most _______ position against the slopes of the Articular Eminences

avascular

anterior-superior

46

Centric Relation is ______ of tooth contact and is a __________ position

Independent

Repeatable

47

The occlusion of opposing teeth when the mandible is in CR

Centric Occlusion

48

In a Complete Denture ___ = ____ = _____

CR = CO = MIP

49

T/F
Centric Relation is a dental/occlusal relationship

False

*position of the Mn only

50

How do you record CR with proper VDO?

mark wax rims and do a bit reg

51

Facebow mounts the ___

CR mounts the ____

Mx

Mn

52

Mx incisors contact the wet-dry line to make what sounds?

F and V

53

Why is it important to have the front of the Incisors 5-7 mm in Ant to the Incisive Papilla?

Phonetics

*at wet-dry line for F and V sounds

54

If lips aren't supported by the teeth, what sounds suffer?

Sound produced by Mx CI interface with wet/dry line:

Sound made by contact btwn tip of tongue and palate at Rugae:

P and B

F and V

S and SH

55

When mounting teeth in wax, the cervical portion should incline what direction?

Slightly Lingual

56

When mounting Mx LI in Wax Rim, the long axis is tilted what direction?

The cervical portion is inclined...

Incisal Edge raised ___mm from occlusal rim

Distally

Lingually

1mm

57

Wax Rim: the cervical 1/3 of the Labial portion of the Canine should incline what direction?

Buccally (for prominence)

58

Mn Anterior tooth overlap:

*if using anatomic posteriors

1 mm vertical

1 mm horizontal

59

Use 1 mm vertical and 1 mm horizontal overlap for Mn anteriors only if...

using Anatomic Posteriors

60

Mn - perpendicular to occlusal plane

slightly inclined distally

slightly distal

Mn centrals

Mn laterals

Mn canines

61

T/F
Mn centrals, laterals, and canines should all line up with the occlusal plane

True

62

Anterior teeth Primary selected for...

Posterior teeth Primarily selected for...

Esthetics

Masticatory requirements

63

T/F
Manufacturers Square, Tapering, and Ovoid molds for teeth are considered antiquated

True

64

What is the more valid approach for tooth shape (than square, tapering, or ovoid)?

Dentogenics

*esthetics gauged by sex, age, personality

65

Dentogenics, Young teeth are tapered and _____

Old are _____

Ovoid

Square

66

The Anterior teeth should be set where?

The Posterior teeth should be set where?

Used to Be

Over the Bone

67

3 Factors affecting the Size of Ant teeth:

Size of Face

High lip line

Distance between Canines

68

Distance between the Canines gives us what?

Smile Line gives us what?

Width of 6 anteriors

Height of 6 anteriors

69

If you don't have old records, etc, what should be used to determine size of Anterior teeth?

Canine line (width)

Smile Line (height)

70

3 Factors affecting the Form of the Anterior Teeth:

Contour of Face

Sex

Age

71

What 4 Factors affect the Arrangement of the Teeth:

Age

Sex

Personality

Artistic considerations

72

In the Female, the Incisal Edges of the Mx Anteriors follow what?

Distal Mx CI rotated ______

Mesial LI _____ to CI

Distal Canine rotated ______

Lower Lip Curvature

Posterior

Anterior

Posteriorly

73

Female Canines - can see ____ of the mesial view Labial surface

Male Canines - can see ____ of the mesial view Labial surface

1/3

2/3

74

Male teeth - Mesial surface of the LI has what relationship to the CI?

Female teeth - Mesial surface of the LI what relationship to the CI?

hidden behind

Anterior

75

T/F
Tooth color should blend with skin tone, hair color, and Sclera/Eye color

True

76

What pattern does Alveolar Ridge resorption follow on the Anterior Mx?

Therefore...

Labial to Lingual

Anterior teeth should NOT be placed over the ridge

77

Lips not supported by teeth, can't make what sound?

contact btwn Mx incisors and Posterior 1/3 lower lip:

tip tongue to palate/rugae

P and B

F and V

S and Sh

78

S space too small makes a ______

too large makes a _____

whistle

Sh

79

If the Mx Tuberosity is large and hanging down, it could create a _______

*requires OS

Reverse Curve

80

2 things that might cause a Reverse Curve:

Mx tuberosity

Improper Ala-Tragus line

81

A smile line follows the contour of what?

Lower Lip

82

3 Tooth materials for Dentures:

Porcelain

Plastic (resin, acrylic resin)

Plastic facing (butted acrylic resin teeth )

83

3 Advantages for Anterior Porcelains Teeth:

3 Disadvantages:

Wear resistant, Stain resistant, Esthetic

Space, recontour scratch, Breakage

84

Anterior Porcelain teeth must never oppose ______ teeth

Natural

85

3 Advantages Anterior Plastic teeth:

2 disadvantages:

Polish/contour, Bond physico-mechanically, easily stained

Excess wear, stains

86

5 types of Posterior Teeth:

Porcelain

Plastic

Plastic facing

Metal

Metal (cast gold)

87

3 Advantages for Porcelain Posterior teeth:

3 Disadvantages:

Wear, Stain, Esthetics, Vertical Dimension

Space, Breakage, Opposing Wear

88

3 Advantages for Plastic Posterior teeth:

2 Disadvantages:

Phyisico-mechanically bonded, stain, esthetics

Wear, staining

89

Posterior metal denture teeth should be used when opposing ______ to overcome losing vertical dimension

They are ______

Gold

Expensive

90

T/F
A well developed ridge will be able to Tolerate Anatomical Teeth

True

91

T/F
A Flat Ridge (not well developed) will do better with Flat/non-anatomical teeth

True

92

Pts with poor neuromuscular control should have what type of Occlusal Scheme?

Monoplane

*non-anatomical teeth

93

Chronic bruxers/grinders should have what type of Occlusal Scheme?

Monoplane

*non-anatomical

94

Skeletal Class II and III relationship requires what Posterior teeth?

Crossbite requires what Posterior Teeth?

Non-anatomic

Non-anatomic

95

If teeth are Cusp to Fossa and have and Incline, they are...

Anatomic

96

T/F
It is easier to get a contact with a non-anatomic tooth

True

97

Non-anatomic (monoplane) reduces _____ forces

CR can be developed as ______

Horizontal

Area (not point)

98

Anatomic teeth: cusp inclinations cause ______ force

Horizontal

99

2 Criteria for setting Posterior Teeth:

Esthetic

Functional

100

If teeth are too wide posteriorly they will give the appearance of what?

too many teeth

101

T/F
Height of the occlusal plane is determined by: esthetic placement, corners of mouth, dorsum of tongue, retromolar pad (2/3 way up)

True

102

Central Fossa of Mn denture teeth should be where?

This prevents...

Center of Mn ridge

unfavorable leverages

103

T/F
Centric relation is equal to Max intercuspation in complete dentures

True

104

Mx teeth overlap the Mn teeth _____

Long axis of each Mx tooth is ____ to corresponding Mn tooth

Each tooth in both arch are opposed by 2 teeth, with what 2 exceptions?

horizontally

distal

Mn CI, Mx 2M

105

T/F
Horizontal overlap prevents pts from biting tongue/cheeks

True

106

Mx Posteriors: MB/ML 1M touch _______

DB cusp raised _____mm

DL cusp raised _____ to ____ mm

MB cusp 2M ____ mm from occlusal Plane

occlusal plane

1/2 mm

1/2 to 3/4

1 mm

107

Occlusion in which lateral excursions don't have to be bilaterally occlusive (will cause sore spots and excessive forces on the ridge)

Neutrocentric

108

What type of Occlusion limits tipping of the dentures during para-functional movements?

Bilateral Balance

109

T/F
a goal of complete denture occlusion is to reduce lateral forces to the residual ridges

True

110

The main determinant of denture tooth position:

Anatomy

111

Stable simultaneous contact of opposing upper/lower teeth in CR with smooth bilateral gliding contact to ANY eccentric position w/ in normal Mn function

*limits tipping/rotation of denture bases

Bilateral Balanced Denture Occlusion

112

Traditionally bilateral balance could only be achieved with _____ posterior teeth

It can be achieved with Non-Anatomic teeth using ________ or by manipulating the ______ curve

Anatomic

Balancing Ramps, compensating

113

Bilateral blalanced occlusion with Monoplane can be achieved by using what?

Balancing Ramps

114

Neutrocentric concept used to be applied to Non-anatomical teeth. Balancing Ramps allow us to have Balanced Occlusion with Non-anatomical teeth

True

115

All lateral excursions need at least _____ points of contact bilaterally if bilateral balance is to be achieved.

3

116

T/F
The resistance to forces should be at a right angle to the occlusal surface of a denture

True

117

The quality of the Support depends on what?

thickness soft tissue over bone

118

Mx arch Support areas are Crest of Ridge, Hard Palate and for the Mn what are the 2 Primary Support Areas?

Buccal Shelf

Retromolar Pads

*slope of Ridge - not primary

119

What determines Max Support is attained in the Denture? ?

Proper Final Impression

*to attain Max tissue coverage

120

Stability is the resitance to ____ forces

Horizontal

121

4 Factors Affecting the Stability of the Denture:

RR anatomy

Flanges

Post Teeth (teeth set on Center)

Occlusion (balanced)

122

T/F
Instruct pts not to chew on the Front (premaxilla resorption) and the Chew on Both Sides

True

123

Denture Retention: Adhesion between _____ molecules

Cohesion between _____ molecules

unlike

like

124

Hydrostatic pressure due to the weight of the atmosphere on surfaces

Atmospheric Pressure

125

In order to use Atmospheric Pressure as a retentive force, what must the denture base have?

Peripheral Seal

*prevents air from getting underneath

126

How do you make Neutrocentric Occlusion balanced?

Balancing Ramps

127

Anatomic, Semi-anatomic, Lingualized, Non-Anatomics, can all be balanced

True

128

It is very difficult to create Spee/Wilson with _______

Flat Teeth

129

Monoplane, aka...

Balanced has...

Neutrocentric

Balancing Ramp

130

Immediate Denture has what type of teeth

Flat

131

When using the Neutrocentric Concept, the patient is instructed not to...

Incise the Bolus

132

How much Vertical Overlap is there with a Neutrocentric concept?

None

133

Class II (underbite) needs what to compensate for more functional movement?

More overlap

134

Class III (overbite) needs a lot of horizontal overlap

False

*little movement forward for function

135

When setting the Posterior Teeth the horizontal and lateral Condylar Guidance should be set at...

The Mn Occlusal Table should end ____ to the Ascending Ramus

Zero

Prior

136

Which tooth most Posterior (Mx or Mn)?

How far?

Mx 1-2mm distal

*to most Post Mn denture tooth

137

The Horizontal Overlap of the posterior teeth should be sufficient to prevent what?

Biting cheek/corner of mouth

138

Steeper the Condylar Inclination the Greater the ______ in excursion

Known as...

Counteracted by...

Posterior discrepancy

Christiansen's phenomenon

Balancing Ramps

139

Bilateral balanced occlusion when using Zero Degree cusped teeth is obtained by using...

Balancing Ramps

140

Inclined plane contact comes from Cuspal Inclines on the Posterior and ______ on the Anterior

Vertical Overlap

141

2 Benefits of Anatomic Uppers:

Chewing efficiency

Esthetics

142

Lingual Cusps longer (hanging down more) and the only touching:

Lingualized

143

Lingualized with Anatomical Teeth can have ______

Lingualized with Flat Lowers needs______

Spee/Wilson

Balancing Ramps

144

Mx Lingual Cusp to Mn ______

central fossa

145

Mx Posterior teeth should have Lingual Inclines of Buccal Cusps ___mm away from Mn cusp

1 mm

146

In Lingualized Balanced occlusion the Mx teeth are ______

There should be no____ cusp contacts of posterior teeth in centric/lateral excursion

Flared out

buccal

147

Hanau Quint: 5 Factors Affecting Articulation of denture teeth, which are...

(5 factors affecting occlusal balance)

Condylar inclination/guidance

Incisal guidance

Compensating curve (Spee/Wilson)

Cusp angle/height

Plane of occlusion and its orientation

148

In the Hanau Quint, what is the only factor that can't be controlled? `

Condylar Inclination

149

How can you get an Accurate Condylar Inclination?

What is the Avg inclination we use in dentures?

Protrusive check bite-record

30 degrees

150

Angle formed by drawing a line in the Sagittal Plane between the Incisal Edge of the Mx/Mn teeth when teeth are in CO and the Horizontal Plane

Incisal Guide Angle

151

Condylar Inclination x Incisal Guidance / Occlusal Plane x Cuspal Inclination x CompCurve

Theilman's Formula

= C (balance occlusion)

152

Theilman's Formula

= C (balanced Occlusion)

Condylar Inclination x Incisal Guidance /

Occlusal Plane x Cuspal Inclination x CompCurve

153

An increased incisal guidance can be compensated by increasing one of what 3 things?

***or??

OccPlane

Cuspal Inclination

Comp Curve


***or a Balancing Ramp

154

In Theilman's Formula, the Occlusal Plane can be altered

False

**not substantially
***functional requirements dictate position

155

Theilman's Formula (Hanau Quint), what is very helpful in obtaining balanced occlusion (depending on the posterior tooth forms it can easily be corrected to facilitate posterior tooth contacts in eccentric positions)

Compensating Curve

(CompCurve)

156

Setting Posterior Teeth - where does Curve of Spee begin?

** 33 degree

DB cusp Mx 1M - 1/2 mm

DL cusp 1/2 to 3/4 mm

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