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Prosthetics > Introduction to RPDs > Flashcards

Introduction to RPDs Flashcards

1
Q

What are RPDs used for?

A

Restore dental arch that has one or more remaining teeth

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2
Q

What are complete dentures used for?

A

Restore dental arch with no remaining teeth

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3
Q

What is the term used to describe a dental arch with no remaining teeth?

A

Edentulous

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4
Q

Describe how tooth loss can affect an individual

A
  • It can affect self-confidence and impact psychological state of individuals
  • It may impair oral function
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5
Q

Describe some basic trends of adult dental health surveys in terms of dentition

A
  • Adults with no natural teeth are concentrated in older age groups
  • Tooth loss varies by gender and social class
  • Around 1/5 people in UK wear some form of removable prosthesis
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6
Q

What is a functional dentition defined as by WHO?

A

Containing a minimum of 20 teeth

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7
Q

How is a functional dentition usually seen?

A

2nd premolar to 2nd premolar

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8
Q

What constitutes a shortened dental arch?

A

At least 2 posterior occluding units on either side of the jaw

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9
Q

What are the 3 ways a shortened dental arch will maintain oral health?

A
  1. Risk of tooth wear
  2. Provision of adequate masticatory function
  3. Risk of myogenic TMD or TMJ pathology
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10
Q

Name 5 benefits of replacing teeth

A
  1. Aesthetics
  2. Speech
  3. Mastication
  4. Maintenance of dental health
  5. Psychological
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11
Q

Name 3 ways which dental health can be maintained by replacing teeth

A
  1. Maintain stability of dentition to prevent over-eruption and drifting leading to caries risk factors
  2. Prevention of wear of anterior teeth through loss of posterior support
  3. Prevent potential TMD
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12
Q

Name 5 means of replacing teeth

A
  1. Removable prostheses
  2. Fixed prostheses
  3. Implants
  4. Orthodontics
  5. Masterly inactivity
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13
Q

What is masterly inactivity?

A

Providing no treatment if it is the right thing to do

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14
Q

What are 3 potential risks of a denture?

A
  1. Oral hygeine
  2. Periodontal status
  3. Caries status
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15
Q

What are 4 factors influencing the decision to provide a denture, not including risk factors?

A
  1. Patient’s wishes
  2. Missing teeth
  3. Operatory competency
  4. Cost
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16
Q

What are 3 advantages of RPDs?

A
  1. Permanently retained
  2. Small in bulk
  3. Ideal biomechanics
17
Q

What are 4 disadvantages of FPDs?

A
  1. Difficult to clean
  2. Extensive preparations
  3. Difficult to repair
  4. Expensive
18
Q

What are 4 general considerations when prescribing partial dentures?

A
  1. Only treat if indicated
  2. Restore edentulous areas only when necessary
  3. Major connectors should widely clear both teeth and gingival margin
  4. Utilise tooth support
19
Q

What is the best denture base if possible?

A

Cobalt-Chrome

20
Q

Give an example of a type of a denture which maximises risks

A

Flexible denture covering many gingival margins and applying unknown forces to gingival and soft tissues

21
Q

Describe the usual sequence in patient management in RPD provision

A
  • Assessment (diagnosis)
  • Treatment plan
  • Establish dental health
  • Denture construction
  • Instruction in care and recall
22
Q

Describe treatment planning for RPDs

A
  • Pain relief, prevention and caries control
  • Initial prosthodontics
  • Surgery / Periodontics / Orthodontics / Restorative
  • Definitive prosthodontics
23
Q

What is involved in initial prosthodontics in treatment planning for RPDs?

A
  • Treating tissue damage caused by denture
  • Correct occlusal or extension errors
  • Interim denture
  • Carry out preliminary design
24
Q

What is involved in surgery in treatment planning for RPDs?

A

Extractions or alveoplasty

25
Q

What is involved in restorative dentistry in treatment planning for RPDs?

A

Fillings, endodontics and crowns

26
Q

Describe the clinical stages in RPD construction

A
  • Preliminary impressions for study casts
  • Recording occlusal relationship
  • Master impressions for working casts
  • Castings trial and alterations
  • Trial prostheses
  • Insertion
  • Review

Prosthetics (16 decks)

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