Preventing post-treatment bacteremia: comparing topical povidone-iodine and chlorhexidine
Article Abstract:
Povidone-iodine antiseptic appears to be more effective than chlorhexidine antiseptic in preventing bacteria in the blood (bacteremia) after invasive dental treatment. Before treatment, researchers administered 10% povidone-iodine, .2% chlorhexidine, or a sterile water oral rinse to 120 dental patients. Investigators took pre- and posttreatment blood samples to assess bacteremia. Eleven patients who received povidone-iodine, 18 treated with chlorhexidine, and 21 controls developed bacteremia after treatment. Of the 206 microorganisms identified in patient's blood, 44 were detected in povidone-iodine-treated patients, 77 in chlorhexidine-treated patients, and 87 in the control group. The viridans streptococci microorganism, the most common cause of bacteremia, was identified in four povidone-iodine treated patients, 14 chlorhexidine recipients, and 13 controls.
Publication Name: Journal of the American Dental Association
Subject: Health
ISSN: 0002-8177
Year: 1995
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Reducing bacterial aerosol contamination with a chlorhexidine gluconate pre-rinse
Article Abstract:
A pretreatment rinse with the antiseptic, chlorhexidine gluconate appears to be more effective in reducing bacterial aerosols generated during dental procedures than Listerine or distilled water. Eighteen dental patients rinsed their mouths with .12% chlorhexidine, Listerine, or distilled water before their teeth were polished. Researchers collected and cultured samples of aerosolized bacteria generated during the polishing procedure. Chlorhexidine significantly reduced the bacterial count in all samples compared to Listerine and water. The bacterial count decreased as the distance from the treatment area increased in chlorohexidine-treated patients. The bacterial count was similar among patients who rinsed with Listerine and those who rinsed with water.
Publication Name: Journal of the American Dental Association
Subject: Health
ISSN: 0002-8177
Year: 1995
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Bacteremia and intraoral suture removal: can an antimicrobial rinse help?
Article Abstract:
An antimicrobial mouthrinse may not reduce the risk of introducing bacteria into the bloodstream during dental suture removal. Patients with heart defects or heart valve disease are at higher risk of heart infection by oral bacteria that enters the bloodstream during dental procedures. Researchers compared 61 patients having sutures removed after tooth extraction. Some patients rinsed with a chlorhexidine gluconate mouthrinse before the procedure. About 11% of patients had oral bacteria in their blood after the procedure. The rinse did not significantly reduce the rate of bacteremia.
Publication Name: Journal of the American Dental Association
Subject: Health
ISSN: 0002-8177
Year: 1998
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