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This Concept Map, created with IHMC CmapTools, has information related to: Impression 2- PINAKAMAAYOS NA VERSION so far, Method of Removal done with a definite snap, REVERSIBLE HYDROCOLLOIDS Advantages hydrophilic, Criteria for Undistorted Impression material preparation accelerator paste, ELASTIC may be NON-AQUEOUS, three thermostatically controlled water baths a liquefying bath, if tray is turned upside down onto stone there is a tendency for water to rise to the highest point, Adequate Bulk to improve accuracy, POLYETHER Properties accelerated setting time, Criteria for Undistorted Impression during Preparing the Mouth, Removal should be removed 2 to 3 minutes after gelation, POLYSULFIDE POLYMER Disadvantages unpleasant odor, double mix tecnnique if there is sufficiently long setting time, alginate adhesives can be used because it overcomes displacing forces during withdrawal of the impression, contraindicated results in severe distortion, IRREVERSIBLE HYDROCOLLOID recommended for diagnostic casts, IMPRESSION MATERIALS types NON-ELASTIC, less stiff than addition silicones, NON-AQUEOUS classified into POLYSULFIDE POLYMER, resistance to tearing upon removal is roughly equal to that of silicone, low stability results from syneresis and imbibition