Removable partial dentures-components overview. Kennedy classification. Retainers wrought wire bended clasps

Question 1

Parts of removable partial dentures

Answer 1

Major connector
Minor connector
Rest
Direct retainer
Denture base
Tooth replacement

Question 2

Function of major connector

Answer 2

• Connects components on one side of arch to another

- Vertical support and soft tissue protection

Question 3

Function of minor connector

Answer 3

Connects major connector with other units of prosthesis(clasps, indirect retainers and occlusal rests)

Question 4

What is a direct retainer

Answer 4

• Clasp or attachment on abutment tooth

- Holds denture in position

Question 5

Types of direct retainer

Answer 5

Intracoronal

Extracoronal

Question 6

Parts of direct retainer

Answer 6

Reciprocal arm
Occlusal rest
Retentive arm

Question 7

Categories of clasps

Answer 7

• Circumferential/akers

- Vertical projection

Question 8

Function of indirect retainer

Answer 8

Prevents displacement of distal extension of denture base

Question 9

What is a rest?

Answer 9

• Denture extension that contacts teeth

- Dissipates vertical and horizontal forces

Question 10

Types of rests

Answer 10

Occlusal rest
Lingual or cingulum rest
Incisal rest

Question 11

Kennedys class I

Answer 11

Bilateral edentulous space- posterior

Question 12

Kennedys class II

Answer 12

Unilateral edentulous space- posterior

Question 13

Kennedys class III

Answer 13

Unilateral edentulous space with teeth anterior and posterior to it

Question 14

Kennedys class IV

Answer 14

Single edentulous space-crosses midline w/ teeth posterior to it