However, impression compound is useful for checking cavity preparations for undercuts and for making impressions of … The information in this MSDS is, to the best of our knowledge, believed to be accurate. A Specification for Dental Impression Compound* Author links open overlay panel N.O. The application of dental impression compound has also decreased with the increased use of rubber impression materials, which can also be electro-formed to produce metal dies. Dental impression making is the process of creating a negative form of the teeth and oral tissues, into which gypsum or other die materials can be processed to create working analogues. Impression compound isrigid,reversible impression materialsets by physical change. It softens on heating and hardens oncooling. Zoe impression paste, polysulfide; iii) Vigorous mixing. Impression materials - introduction and impression compound - Dr. Anand.ppt - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. The compound surface is softened with a flame, and a ball of cotton is pressed into the surface for a … Advanced. If not, wax spatula is heated to merge with the tray borders carefully. e.g. In complete denture prosthesis, we make two impressions for the patient: To make an impression we should have a suitable tray and impression material. 1 Tom made a good impression, so he got the job. This compound is thermoplastic resinous material in the form of sticks or cakes,It can be softened to working consistency by immersion in hot water or by warm- e.g. His report Over to You 1 Read the sentences. IMPRESSION COMPOUND ( All Colors ) Note: This MSDS was prepared in accordance with the requirements of the OSHA Hazard Communication Standard (29 CFR 1910.1200) and is to be used only for this product. Impression compounds have nearNewtonian viscosity characteristics at shear stresses between 104 and 107 dyne/cm2. 0.2 Dental impression ( modelling) compound is used in taking impres- sions and for forming trays to be used in the oral cavity. 3 Nancy and Lorena have a lot of friends. 1 - IDENTIFICATION Manufacturer: Kerr Corporation Dental impression compound Download PDF Info Publication number US4033774A. 2 Jason seems friendly, although he is very shy. In general impression compound is a mixture of waxes, thermoplastic resins, organic acids, fillers and coloring agents. The lower fusing, type I impression materials may be supplied in either sheet or stick for many various colors. US4033774A US05/675,047 US67504776A US4033774A US 4033774 A US4033774 A US 4033774A US 67504776 A US67504776 A US 67504776A US 4033774 A US4033774 A US 4033774A Authority US A) Hand mixing. Search Search. ADA specification no 3 … The ADA flow tests for impression compound can be expressed in terms of minimum coefficients of viscosity (for example, 2.8×106 poise at 45ºC). e.g. Share. Impression plaster; V) Based on the manipulation. Simple, Compound, and Complex Sentences 3 B. This compound modification of the impression tray should be firmly adhering to the tray. Impression compound – wet kneading, putty consistency Elastomers; ii) Circular motion (with glass slab & spatula) eg. Export. Component Example Function Thermoplastic material (47%) resins and waxes Characterizes the Scribd is the world's largest social reading and publishing site. Figure (3-3): Impression compound primary impression for complete edentulous maxillary and mandibular ridges. Write S for Simple, C for Compound, or CX for Complex. Composition . i) Kneading. Download full text in PDF Download. Decide if they are simple, compound, or complex. 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