Impression tech cd for fourth years

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IMPRESSION TECHNIQUES IN COMPLETE DENTURE

IMPRESSION

BASIC REQUIREMENTS FOR IMPRESSION MAKING

IMPRESSION TECHNIQUES

Impression techniques may be classified depending on:

Based on the position of the mouth while making impression

Amount of pressure used

Mucostatic or Passive Impression

Mucocompressive Impression

Disadvantages of this theory

Selective Pressure Impression

Drawback

Preliminary examination of the patient

Selection of tray:

Trays selection, Important??

Tray Selection

Tray Selection

Patient Preparation

Impression Procedure

BIOLOGIC CONSIDERATIONS FOR Maxillary and

maNDIBULAR IMPRESSIONS

Impression taking

Manibulation and instructions

Mandible

Primary impression making

(Mandibular impression with alginate)

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