03: Direct Retainers, Indirect Retainers Flashcards Preview

D2: 624 Removable > 03: Direct Retainers, Indirect Retainers > Flashcards

Flashcards in 03: Direct Retainers, Indirect Retainers Deck (7):
1

The components of an RPD that engage abutments, and resist dislodging forces

Direct retainers

2

1. Intracoronal
2. Extracoronal

The two types of direct retainers

3

1. Extracoronal attachments
2. Retentive clasp assemblies

Two distinct sub-categories of extracoronal direct retainers

4

The most common method for extracoronal direct retention

Retentive clasp assemblies

5

1. Path of insertion for the RPD
2. The HOC for each abutment

Things the dentist must know when using retentive clasp assemblies

6

For an RPD, what is the HOC

The greatest axial diameter of the crown when viewed from the path of insertion

7

This is designed to contact the abutment surface apical to the height of contour and will resist displacement in an occlusal direction

Clasp terminus