Effectiveness of a professional formula disinfectant for irreversible hydrocolloid

Barry A. Kaplan, Gary R. Goldstein, Robert Boylan

Research output: Contribution to journalArticlepeer-review


In this study, the effectiveness of Professional Lysol (PL) disinfectant in both its spray and solution forms was evaluated as a surface disinfectant for irreversible hydrocolloid (IH) impressions. Sixteen impressions of a typodont were made with IH, immersed in a microbial broth, and then rinsed in running tap water. The impressions were then treated as follows: four were immersed in PL for 2.5 minutes; four were sprayed by PL and stored for 10 minutes; four were immersed in 2% glutaraldehyde for 10 minutes; four were untreated. Pretest plates showed an average of 421 colonies per plate (c/p). The glutaraldehyde group showed 0.00 c/p. The PL spray group showed 1.75 c/p. The PL immersion group showed 19.00 c/p and showed evidence of surface deterioration in the IH. The untreated group showed 426.25 c/p.

Original languageEnglish (US)
Pages (from-to)603-606
Number of pages4
JournalThe Journal of Prosthetic Dentistry
Issue number6
StatePublished - Jun 1994

ASJC Scopus subject areas

  • Oral Surgery


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