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. Impression compounds have nearNewtonian viscosity characteristics at shear stresses between 104 and 107 dyne/cm2. 2 Jason seems friendly, although he is very shy. ADA specification no 3 … His report Dental impression compound Download PDF Info Publication number US4033774A. However, impression compound is useful for checking cavity preparations for undercuts and for making impressions of … 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. Search Search. 0.2 Dental impression ( modelling) compound is used in taking impres- sions and for forming trays to be used in the oral cavity. Simple, Compound, and Complex Sentences 3 B. A) Hand mixing. Over to You 1 Read the sentences. e.g. The information in this MSDS is, to the best of our knowledge, believed to be accurate. Zoe impression paste, polysulfide; iii) Vigorous mixing. The lower fusing, type I impression materials may be supplied in either sheet or stick for many various colors. Impression compound – wet kneading, putty consistency Elastomers; ii) Circular motion (with glass slab & spatula) eg. Figure (3-3): Impression compound primary impression for complete edentulous maxillary and mandibular ridges. Download full text in PDF Download. e.g. This compound modification of the impression tray should be firmly adhering to the tray. It is a device that is used to carry, confine and control the In general impression compound is a mixture of waxes, thermoplastic resins, organic acids, fillers and coloring agents. 3 Nancy and Lorena have a lot of friends. Impression plaster; V) Based on the manipulation. 1 Tom made a good impression, so he got the job. Composition . Advanced. Component Example Function Thermoplastic material (47%) resins and waxes Characterizes the Decide if they are simple, compound, or complex. i) Kneading. It softens on heating and hardens oncooling. Impression compound isrigid,reversible impression materialsets by physical change. Export. In complete denture prosthesis, we make two impressions for the patient: To make an impression we should have a suitable tray and impression material. (9) Micheul investigated in reology of impression compound. A Specification for Dental Impression Compound* Author links open overlay panel N.O. Scribd is the world's largest social reading and publishing site. If not, wax spatula is heated to merge with the tray borders carefully. The Journal of the American Dental Association (1922) Volume 18, Issue 1, January 1931, Pages 53-62. 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). 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. Share. e.g. 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. Write S for Simple, C for Compound, or CX for Complex. 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 1 - IDENTIFICATION Manufacturer: Kerr Corporation The compound surface is softened with a flame, and a ball of cotton is pressed into the surface for a … Impression compound; ii) Mucostatic e.g. 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-

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