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Title: Defects in automixed addition silicone elastomers prepared by putty-wash impression technique.
Authors: Soh, G. 
Chong, Y.H. 
Issue Date: Nov-1991
Citation: Soh, G.,Chong, Y.H. (1991-11). Defects in automixed addition silicone elastomers prepared by putty-wash impression technique.. Journal of Oral Rehabilitation 18 (6) : 547-553. ScholarBank@NUS Repository.
Abstract: Voids presenting in impressions of five automixed addition silicone elastomers were investigated. Impressions were prepared with the putty-light body impression technique on stainless-steel cylinders with acrylic spacers. The number of voids was counted at a predetermined site on three separate days using a stereomicroscope at x7 magnification. Impression specimens of a hand-mixed addition silicone, and from hand-mixing of the automixed materials, were made for comparison. Express gave a significantly higher number of voids than other automixed materials, with President Jet having the lowest void count. Automixed materials generally produced impressions with significantly fewer voids than the hand-mixed material. Automixing was effective in reducing void defects in elastomeric impressions.
Source Title: Journal of Oral Rehabilitation
ISSN: 0305182X
Appears in Collections:Staff Publications

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