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Complex Adult Dentistry > Complete Dentures Course > Flashcards

Complete Dentures Course Flashcards

1
Q

What is retention?

A

Stops something coming out

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2
Q

What is stability?

A

Keeps denture in place

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3
Q

What are the three main components for good retention & fourth minor component?

A

Border Seal
Saliva
Muscular forces

Accessory retention

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4
Q

What is the border seal?

A

This is created in the sulcus by correct boarder moulding & by a post dam.

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5
Q

What is a post dam?

A

This is a lip on the denture to create a seal on a maxillary full denture at the vibrating line (most listeria part of the hard palate).

This helps create suction.

This won’t work on the soft tissue posterior to hard palate.

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6
Q

What muscular forces aid denture retention?

A

Tongue holding denture in place.

Neutral zone for denture to sit.

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7
Q

How does saliva aid retention?

A

Cohesive and adhesive forces between denture and palate help keep denture in place.

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8
Q

What are is accessory retention?

A

Over denture,
Implants,
Fixative

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9
Q

What are problems with fixatives?

A

Contained lots of zinc and some patients experienced sink poisoning effects

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10
Q

What are some symptoms of zinc poisoning?

A

Pins and needles

Nausea

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11
Q

What’s a quick test for xerostomia?

A

Run finger inside cheaply should glide smoothly salivary deficiency if it sticks

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12
Q

What features can a denture be given to help stabilise it?

A

Remove 7s so tongue sits on it

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13
Q

Where should the occlusal plane be in relation to occlusal plane of dentures?

A

Occlusal plane lower than tongue

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14
Q

What are issues with the mentalis muscle and dentures?

A

Push lower denture backwards displacing it.

Make sure this area isn’t too large to avoid this

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15
Q

What is the mentalist muscle?

A

This is the elevator of lower lip and chin

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16
Q

What problems can be caused by denture instability?

A 
Ulceration and pain
Loss of denture
Can’t chew
Speech difficulty 
Mental thinks that a company these
17
Q

What are the main causes of denture instability?

A

Premature occlusal contacts
Change in the supporting tissue
Interferences on lateral movements

18
Q

What kind of guidance does complete dentures need?

A

Group, all teeth want to meet at the same time and be in contact on both sides in guidance

19
Q

How do you check occlusion in patient?

A

Dentures have to be held in place when checking to ensure true occlusion is measured

20
Q

What is a compensating curve?

A

This is used to check articulation is balanced

Teeth are placed on a curve not a flat plane

Curve of Wilson/monsoon

21
Q

Which articulated would you use to make a full denture?

A

Average value

22
Q

What is a flabby ridge?

A

This is very problematic it’s where the supporting bone resorbs but the ridge stays in place and is therefore very unsupportive of a denture

23
Q

What is the curve of spee?

A

This is the curved plane that the teeth is on from a side view, this is so when the jaw protrudes the teeth still stay in contact as the condyle moves the jaw lower.

24
Q

What is an immdediate denture

A

Denture made to fit the day of extractions

25
Q

What are the types of immediate denture

A

Remove all teeth and provide full dentures
Remove all posteriors let heal and then remove anteriors and provide full dentures
Post immediate denture - remove all teeth and wait before making a denture (rare)
Progressively add teeth to partial denture

26
Q

What do you do each visit for immediate dentures

A 
Visit one impression and extractions
Secondary impressions 
Visit 3Record rims and record occlusion 
Visit 4 try in for missing teeth
Extraction and fit
27
Q

What’s important about immediate denture fitting

A

Don’t expand bone
Check occlusion
Check it’s not uncomfortable because it will be numb
24h post extraction will be very uncomfortable
Try not to take denture out

28
Q

When do you review immoderate dentures

A

After 1 week

29
Q

When do you review after immediate denture (after one week)

A

3 months

& 6 months

30
Q

What is a conventional flange denture

A

This is where a flange extend alll the way into the buccal sulcus

31
Q

What is a socket fitted denture

A

The teeth go slightly into the socket because the lip support of a flange would look un-natural and bulky.

32
Q

What is a part flange design

A

This is in between conventional flange and socket fitted (best of both)

33
Q

What are problems with immediate dentures

A 
Poor fit 
Long term discomfort
Food packing under denture 
Bone loss
Ridge damage
34
Q

Where are dentures most commonly over/under extended

A

Under extended posteriorly

Overextended in the buccaneers sulci

Complex Adult Dentistry (5 decks)

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