Effect of disinfectant agents on dimensional stability of elastomeric impression materials.
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Elsevier
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Resumo
STATEMENT OF PROBLEM: Difficulties in sterilizing impressions by traditional methods have led to chemical disinfection as an alternative, and some studies have shown that disinfectants may adversely affect impressions. PURPOSE: This study investigated the effect of disinfection methods on the dimensional stability of 6 elastomeric materials. MATERIAL AND METHODS: Impression materials were submitted to the following treatments: immersion in 5.25% sodium hypochlorite solution for 10 minutes, immersion in 2% glutaraldehyde solution for 30 minutes, and no immersion (control). After treatments, impressions were poured, and respective stone casts were measured with a Nikon Profile projector and compared with the master model. RESULTS: The elastomeric materials had different reproduction capacities, and the disinfecting treatments did not differ from the control.
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biomedical and dental materials , calcium sulfate , disinfectant agent , ether derivative , glutaraldehyde , hypochlorite sodium , polysulfide , rubber , silastic , sulfide , chemistry , comparative study , dental care , denture , immersion , instrument sterilization , materials testing , surface property , Calcium Sulfate , Dental Casting Technique , Dental Impression Materials , Dental Models , Disinfectants , Ethers , Glutaral , Immersion , Materials Testing , Rubber , Silicone Elastomers , Sodium Hypochlorite , Sterilization , Sulfides , Surface Properties , Time Factors
Idioma
Inglês
Citação
The Journal of prosthetic dentistry, v. 81, n. 5, p. 621-624, 1999.
