Dentures Flashcards

1
Q

What is retention

A

Resistance of a denture to vertical movement away from the tissues

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2
Q

What is support

A

The resistance of a denture to occlusally directed loads

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3
Q

What is stability

A

The resistance of a denture to displacement by functional forces

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4
Q

Where does the zygomatic alveolar crest extend from

A

The zygomatic process in an arc down to the first molar tooth

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5
Q

What does it mean for the denture if it does not extend to the hamular notch

A

Less likely to have a posterior seal therefore reduced retention

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6
Q

What does it mean for the denture if it goes beyond the hamular notch

A

The pterygomandibular raphe will dislodge the denture when mouth opens

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7
Q

Where is the vibrating line of palate

A

The line between the anterior part of the soft palate which is relatively immovable and the posterior part which moves significantly

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8
Q

What do the retromolar pads consist of

A

Glandular tissue
Loose connective tissue
Lower margin of pterygomandibular raphe
Buccinator fibres
Temporal tendon fibres

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9
Q

Where is the retromylohyoid fossa

A

Lies at the distal end of the alveo lingual sulcus

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10
Q

What 4 muscles are relate to indirect movement of jaw

A

Depressor labi inferioris
Mentalis
Depressor angulioris
Buccinator (by action of masseter)

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11
Q

What 6 muscles are related to direct attachments of the mandible

A

Temporalis tendon
Buccinator
Masseter
Mylohyoid
Genioglossus
Mentalis

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12
Q

What are 6 reasons for a patient wearing a partial denture

A

Improve aesthetics
Restore normal speech
Provide occlusal support
Spread occlusal load
Provide facial support
Aid mastication

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13
Q

What are 7 requirements of a successful partial denture patient

A

Pleasing appearance
Comfortable
Allow normal speech
Not influence the health of the supporting tissues
Not influence the health of the natural teeth
Affordable
Acceptance and adaptation by the patient

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14
Q

What are 3 disadvantages of partial dentures

A

Increased plaque retention
Increased risk of caries, gingivitis and periodontal disease
Traumas from denture components

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15
Q

What are 6 problems of poor OH in relation to wearing a partial denture

A

Calculus build up on denture
Irritation of gingivae and tissues
Denture stomatitis
Can contribute to angular cheilitis
Further tooth loss
Bacteria links to systemic health e.g. blood sugar control diabetes

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