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Elsevier Science

J Dent. 1991 Jun;19(3):186-8. doi: 10.1016/0300-5712(91)90014-p.

Influence of mixing disinfectant solutions into alginate on working time and accuracy.

Journal of dentistry

M Rosen, L Z Touyz

Affiliations

  1. Department of Conservative Dentistry, University of the Witwatersrand, Johannesburg, South Africa.

PMID: 1939821 DOI: 10.1016/0300-5712(91)90014-p

Abstract

Possible transfer of pathogens from dental surgery to dental laboratory is of concern to the profession. This study investigates changes in the working time and accuracy of an alginate impression material when mixed with solutions of selected disinfectants rather than water. The results indicate that certain disinfectant solutions, when used as a water substitute, do not modify the working time of the alginate investigated beyond acceptable limits and have no significant effect on the dimensional accuracy of that material. The use of a 0.2 per cent solution of chlorhexidene gluconate is recommended as a water substitute for the alginate investigated.

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