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Alginate Impressions

QuestionAnswer
what is the purpose of alginate impressions? -TO MAKE DIAGNOSTIC MODELS FOR FIXED AND REMOVABLE -TO MAKE OPPOSING MODELS FOR FIXED AND REMOVABLE PROSTHESES,BLEACHING TRAYS,AND CUSTOM TRAYS
WHAT ARE ADVANTAGES OF ALGINATED IMPRESSIONS? -EASE OF MANIPULATION -MINIMAL AMOUNT OF EQUIPMENT NEEDED -ECONOMICAL MEETS THE REQUIREMENTS FOR ACCURACY FOR A NUMBER OF PROCEDURES -RAPID SETTING TIME -COMFORTABLE FOR PATIENT -CAN BE USED FOR BOTH TEET AND TISSUE IMPRESSIONS-WITHDRAW OVER UNDERCU
DESADVANTAGES LOSS OF ACCURACY DUE TO ATMOPHERIC CONDITIONS 1.SYNERESIS=CAUSES SHRIKAGE 2.IMBIBITION=CAUSES EXPANSION II.NOT AS PRECISE OR ACCURATE AS OTHER MATERIALS ON THE MARKET
GIVE TWO TYPES OF ALGINATE 1.TYPE 1-FAST-SET ALGINATE 2.TYPE 2-REGULAR-SET ALGINATE
WHAT EQUIPMENT AND SUPPLIES FOR MIXING ALGINATE IMPRESSION AND TAKING MANDIBULAR AND MAXILLARY IMPRESSIONS? -BASIC SET-UP -ALGINATE -POWDER MEASURE WATER MEASURING RECIPIENT -WATER MEDIUM-SIZE RUBBER BOWL BEAVERTAIL-SHAPED WIDE-BLADE SPATULA IMPRESSION TRAYS-MANDIBULAR/MAXILLARY SALIVA EJECTOR
VI.PROCEDURAL STEPS FOR MIXING ALGINATE IMPRESSION MATERIAL 1.PLACE THE APPROPRIETE AMOUNT OF WATER INTO THE BOWL 2.SHAKE THE CAN OF ALGINATE DO NOT NEED TO BE FLUFFED 3.SIFT THE POWDER INTO THE WATER,AND USE THE SPATULA TO MIX WITH A STIRRING ACTION TO WET THE POWDER UNTIL IT HAS BEEN COMPLETELY MOISTENED
4.FIRMLY SPREAD THE ALGINATE BETWEEN THE SPATULA AND THE SIDE OF THE RUBBER BOWL. 5.MIX WITH THE SPATULA FOR THE APPROPRIETE TIME THE MIXTURE SHOULD BECOME SMOOTH AND CREAMY. -WIPE THE ALGINATE MIX INTO ONE MASS ON THE INSIDE EDGE OF THE BOWL.
PROCEDURAL STEPS FOR TAKING A MANDIBULAR ALGINATE IMPRESSION 1.GATHER ALL NECESSARY SUPPLIES 2.SEAT AND PREPARE THE PATIENT AND EXPLAIN PROCEDURE (IMPORTANT:tell the patient that the material will set the NOSE during the procedure in order to be relaxed and more comfortable.the patient can use hand signals to rel
a message,if necessary 3.select and prepare the mandibular impression tray. 4.MEASURE TWO MEASUREMENTS OF WATER (AT ROOM TEMPERATURE) WITH TWO SCOOPS OF POWDER OF ALGINATE AND MIX THE ALGINATE AS INDICATED ABOVE. 5.PLACE HALF OF THE MIXED ALGINATE ON
SPATULA AND WIPE IT INTO THE FROM THE LINGUAL SIDE. NOW GATHER THE HALF OF THE MATERIAL AND PLACE IT ON THE OTHER SIDE OF THE TRAY IN THE SAME FASHION.THE TRAY SHOULD BE LOADED QUICKLY.
Created by: fifisolange
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