Study on Hydrocolloid Impression Materials

A Study on Imbibition and Syneresis in Four Commercially Available Irreversible Hydrocolloid (Alginate) Impression Materials

Purpose: To evaluate imbibition and syneresis in four commercially available irreversible hydrocolloid (alginate) impression materials at different time intervals (10, 20 and 30 minutes). Materials and methods: Eighty samples of four commercially available irreversible hydrocolloid (alginate) impression materials Algitex (DPI, Mumbai), Plastalgin (Septodont, Cedex, France), Zelgan 2002 (Dentspl...

Efficacy of various spray disinfectants on irreversible hydrocolloid impression materials: an in vitro study.

BACKGROUND Most of the materials (casts, impressions, etc.) that are sent to the dental laboratories show the presence of numerous pathogenic microorganisms. All the spray disinfectants are not equally effective against these microorganisms. AIMS AND OBJECTIVES The aim was to compare the effectiveness of different spray disinfectants on irreversible hydrocolloid impressions and to find out th...

Evaluation of properties of irreversible hydrocolloid impression materials mixed with disinfectant liquids

BACKGROUND Addition of disinfectant to irreversible hydrocolloid impression materials can eliminate the disinfection step to avoid dimensional changes associated with it. The aim of the present study was to evaluate the effect of various disinfectant mixing liquids on the properties of commercially available irreversible hydrocolloid impression materials. MATERIALS AND METHODS Four commercial...

Microbiological appraisal of three different brands of commercially available irreversible hydrocolloid impression materials: an in vitro study.

AIM To evaluate factory-sealed containers of three different commercially available irreversible hydrocolloid impression materials for their microbial contamination and the type of microorganisms present. MATERIALS AND METHODS Thirty-six measured samples were taken of each brand and placed on chocolate agar plates or in thioglycolate broth tubes and were incubated along with appropriate paral...

Effect of moisture on polyether impression materials.