Impression procedures for removable partial dentures
TYPES OF IMPRESSION
SUPPORT OF DISTAL EXTENSION BASED PARTIAL DENTURE
ACCORDING TO THE METHOD OF IMPRESSION MAKING
ANATOMIC FORM
FUNCTIONAL FORM
Class III vs Class I & II
Factors influencing support from distal extension bases
(factors influencing the amount of tissue displacement)
Impression. for Dis. Ex. R.P.D.
1. At the impression. stage
Disadvantages
Impression. for Dis. Ex. R.P.D
2. At the framework stage:
Altered Cast Technique
Impression Technique
No Pressure Over Tray
Remove & Inspect Impression
Lab Steps
Potential Problems with the Altered Cast Technique
Impression. for Dis. Ex. R.P.D.
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