A compound is a word formed from two or more words. Impression compound – wet kneading, putty consistency Elastomers; ii) Circular motion (with glass slab & spatula) eg. i) Kneading. Zoe impression paste, polysulfide; iii) Vigorous mixing. e.g. Impression materials are loaded into trays in their initial low viscous form (with the exception of impression compound) and then placed in the patient’s mouth. Every compound functions as a unit, but not all compounds are written as single words. Combined surgical and prosthetic management of severely atrophied mandibular ridge with shallow vestibule. impression material: any substance or combination of substances used for making a negative reproduction or impression. The impression material will set chemically or physically and then may be removed from the mouth for use extra orally. The impression compound gives … Define impression plaster. How to use compound in a sentence. Phenols with a high alcohol content, for example, can desiccate some impression materials. However, the method of disinfection should be verified with the material manufacturer to prevent distortion of the impression or loosening of the adhesive bond between the impression tray and the impression material. A) Hand mixing. ZOE and compound impressions n. 1. Kerr Impression Compound comes in cakes of convenient size for full or partial impressions and sticks for copper band impressions or for adding to the periphery of an impression or custom tray. The impression compound has a flow rate of 85% as hereinafter defined at mouth temperature, and a substantially lesser flow rate at room temperature and thus, sets quickly when removed from the mouth. Other compounds are written with hyphens, such as … e.g. impression plaster synonyms, impression plaster pronunciation, impression plaster translation, English dictionary definition of impression plaster. Compound definition is - to put together (parts) so as to form a whole : combine. Impression compound isrigid,reversible impression materialsets by physical change. ADA specification no 3 … Once in the mouth, the material will harden and record the detail of the soft tissues. Impression compound; ii) Mucostatic e.g. Impression compound is a thermoplastic material; it is presented as a sheet of material, which is warmed in hot water (> 55–60 °C) for one minute, and loaded on a tray prior to impression taking. e.g. Impression compound is also available in sticks of various colours indicating different softening temperature ranges e.g. Some compounds are written as separate words, such as housecat. It softens on heating and hardens oncooling. Impression plaster; V) Based on the manipulation. Each color has a controlled working temperature for a specific use. 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