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  • Title: Microbiological evaluation of octenidine dihydrochloride mouth rinse after 5 days' use in orthodontic patients.
    Author: Dogan AA, Cetin ES, Hüssein E, Adiloglu AK.
    Journal: Angle Orthod; 2009 Jul; 79(4):766-72. PubMed ID: 19537862.
    Abstract:
    OBJECTIVE: To determine the absolute and relative antibacterial activity of octenidine dihydrochloride (OCT) against total and cariogenic bacteria in saliva samples of patients with fixed orthodontic appliances during 5 days of usage. MATERIALS AND METHODS: The study group consisted of 5 male and 13 female subjects who were selected from patients in the Clinic of Orthodontics. Each patient was given physiologic saline (PS), chlorhexidine gluconate (CHX), polyvinylpyrrolidone-iodine complex (PVP-I), and OCT every morning for 5 days, each separated by a 2-week interval. Total and cariogenic bacteria in saliva samples of orthodontically treated patients with fixed appliances were collected during 5 days of usage. Unstimulated saliva was collected as a baseline sample. Saliva samples were collected at 15 minutes, and on the second, third, and fifth day after rinsing the mouth with any of the solutions for 30 seconds, and bacterial counts were detected. RESULTS: OCT showed an ultimate reduction of total viable oral bacteria, Lactobacillus species, and Streptococcus mutans in vivo. OCT also had a significantly greater inhibitory effect than 0.2% CHX and 7.5% PVP-I, from the beginning of the study until the fifth day after the orthodontic appliances were bonded (P < .1). CONCLUSIONS: OCT compared favorably with respect to CHX and PVP-I complex in orthodontically treated patients with fixed appliances (P </= .1).
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