Abstract
Objective. The effect of bleaching agents on bacterial adherence to polished surfaces of composite resin restorations was assessed in vitro. Study design. Samples of light-curing composite resins were treated with either 10% carbamide peroxide or 10% hydrogen peroxide for 1, 3, or 7 days. Bacterial adherence of Streptococcus mutans, Streptococcus sobrinus, and Actinomyces viscosus to the treated resin samples was analyzed and compared with adherence to nonbleached controls. Results. A 10% solution of carbamide peroxide caused a significant increase in surface adherence of Streptococcus mutans and Streptococcus sobrinus after 3 days (P < .01 ). A 10% solution of hydrogen peroxide caused a significant increase in surface adherence of Streptococcus mutans and Streptococcus sobrinus after 3 and 7 days (P < .01). A decrease in adherence of Actinomyces viscosus was found after treatment with 10% hydrogen peroxide for 7 days (P < .05). Conclusions. It appears that bleaching agents may affect adherence of certain cariogenic microorganisms to the outer surfaces of composite resin restorations.
| Original language | English |
|---|---|
| Pages (from-to) | 582-586 |
| Number of pages | 5 |
| Journal | Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics |
| Volume | 86 |
| Issue number | 5 |
| DOIs | |
| State | Published - 1998 |
Bibliographical note
Funding Information:This study was partially supported by a grant from the Joint Research Fund of the Hebrew University-Hadassah Faculty of Dental Medicine, founded by the Alpha Omega Fraternity, and the Hadassah Medical Organization. aClinical Lecturer, Department of Endodontics, Hebrew University-Hadassah Faculty of Dental Medicine. bLecturer, Department of Oral Biology, Hebrew University-Hadassah Faculty of Dental Medicine. CResearch Assistant, Department of Endodontics, Hacettepe University, Faculty of Dentistry. dAssociate Professor and Acting Chairman, Department of Endodontics, Hebrew University-Hadassah Faculty of Dental Medicine. Received for publication Feb. 20, 1998; returned for revision June 9, 1998; accepted for publication July 6, 1998. Copyright © 1998 by Mosby, Inc. 1079-2104/98/$5.00 + 0 7/15/93113