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Flashcards in 3 Deck (15):
1

If lingual retentive arm used on one side

use on other.

2

Lingual retentive arms should not be used on

premolars - short mesial distal length is the reason.

3

Retentive arm tip should point

occlusally

4

Short clasps lack the necessary

flexibility

5

If no molars, acrylic to

vestibule depth.

6

If molars, acrylic

few mm into vestibule

7

Guide plates are ----- tooth width (rest width)

1/3rd, or 1/2 intercuspal

8

What is the shape of the occlusal rest

triangular

9

Retentive arm dimensions

1mm at tip, 2mm at plate

10

Minor connecctor for

RPI design

11

Tissue stops

2mm by 2mm

12

I bar dimesnions

2mm to undercut, 3mm down from tooth.

13

I bar should be placed in

greatest prominence. It should be free to rotate.

14

Can''t use I bar when tissue is

undercut, or when frenum or shallow vestibule present.

15

RPA

same as RPI without I bar (add retention arm)