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BDS3 Pros > Complete Dentures > Flashcards

Complete Dentures Flashcards

1
Q

What are examples of LIMITING structures in the maxilla?

A

Labial and buccal frenum, labial and buccal sulcus, hamular notch, vibrating line

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2
Q

What are examples of SUPPORTING structures in the maxilla?

A

Rugae
Posterior palate
Maxillary tuberosity

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3
Q

What are examples of RELIEF AREAS in the maxilla?

A

Incisive papilla
Crest of alveolar ridge
Palatine raphe
Palatine fovea

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4
Q

What are examples of LIMITING structures in mandible?

A

Labial, lingual and buccal frenum.
Labial, buccal and alveolingual sulcus
Retromolar pads

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5
Q

What are examples of SUPPORTING structures in the mandible?

A

Buccal shelf (area between the buccal frenum and anterior border of masseter muscle)
Residual alveolar ridge

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6
Q

What are examples of RELIEF areas in the mandible

A

Mandibular tori
mylohyoid ridge

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7
Q

What are some physical factors that affect the retention of complete dentures?

A

Adhesion
Cohesion
Atmospheric pressure
Gravity - works against upper, and for lower

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8
Q

What are factors that affect retention of complete dentures?

A

Physical
Anatomical - undercuts, shape of edentulous area, anatomy of residual ridge
Physiological
Mechanical

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9
Q

Examples of physiological factors that affect retention of CD?

A

Neuromuscular control
Viscosity and volume of saliva

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10
Q

Examples of mechanical factors that affect CD retention?

A

Balanced occlusion
Position of occlusal plane
Position of teeth in respect to ridge

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11
Q

What is the recommended nasioabial angle and the ACTUAL nasiolabial angle in an edentulous patient?

A

90 - recommended
96 - actual in edentulous

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12
Q

What vertical and horizontal measurements are ideal when using the alma bite gauge?

A

V = 7mm
H = 5.5mm

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13
Q

What is the definition of adhesion?

A

Physical attraction between unlike molecules
e.g. attraction between saliva and denture base

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14
Q

What is the definition of cohesion?

A

Physical attraction between similar molecules e.g. salivary film

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15
Q

What is a post-dam?

A

Small ridge/ bevel cut into distal of denture (where denture connects at soft palate)
Forms a more effective posterior seal to aids retention
AIDS SUCTION

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16
Q

What is the definition of RETENTION in dentures?

A

Resistance to VERTICAL displacement of the denture

17
Q

What is the definition of SUPPORT in dentures?

A

Resistance to occlusally directed load - given by rest seats

18
Q

What is the definition of STABILITY in dentures

A

Resistance to HORIZONTAL/ ROTATIONAL/ FUNCTIONAL displacement or movement.

BDS3 Pros (5 decks)

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