title: Dimensional stability of impression materials immersed in an iodophor disinfectant.
abstract: The potential for disease transmission has increased the importance of infection control in the dental laboratory. Impressions must be disinfected without altering their accuracy. The purpose of this study was to determine the dimensional stability of three impression materials: irreversible hydrocolloid, reversible hydrocolloid, and poly(vinyl siloxane). Thirty-six impressions were made with each material and divided into control, 10-minute, and 30-minute immersion groups using an iodophor as the disinfectant. A microscope was used to measure dimensional changes in the stone casts made from each group of impressions, and the percent change was analyzed using a two-way ANOVA. All dimensional changes after iodophor disinfection were small and within established limits.
authors.forename: J
authors.initials: J
authors.lastname: Giblin
authors.forename: R
authors.initials: R
authors.lastname: Podesta
authors.forename: J
authors.initials: J
authors.lastname: White
mesh_terms: D000704:Analysis of Variance; D003102:Colloids; D003760:Dental Impression Materials; D003799:Dental Stress Analysis; D004202:Disinfectants / Q000009:adverse effects*; D007455:Iodine / Q000009:adverse effects*; D007466:Iodophors / Q000009:adverse effects*; D011145:Polyvinyls; D012828:Silicones; D012833:Siloxanes
chemical_list: D003102:Colloids; D003760:Dental Impression Materials; D004202:Disinfectants; D007466:Iodophors; D011145:Polyvinyls; D012828:Silicones; D012833:Siloxanes; C034183:vinyl polysiloxane; D007455:Iodine