Journal of Indian Society of Periodontology
Journal of Indian Society of Periodontology
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Year : 2012  |  Volume : 16  |  Issue : 2  |  Page : 213-217

Efficacy of 0.2% tempered chlorhexidine as a pre-procedural mouth rinse: A clinical study

Department of Periodontics, Dr. Syamala Reddy, Dental College Hospital and Research Centre, Bangalore, Karnataka, India

Correspondence Address:
M. G. S Prasad
Department of periodontics, C/O: Dr. Syamala Reddy Dental College, 111/1 SGR Main Road, Munnekolala, Marathahalli Bangalore - 560 037, Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-124X.99264

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Objective: Our objective was to determine the efficacy of pre-procedural rinsing with chlorhexidine in reducing bacterial aerosol contamination during use of ultrasonic scaler and comparing the efficacy of water, non-tempered chlorhexidine and tempered chlorhexidine in reducing bacterial count in aerosols when used as a pre-procedural rinse. Materials and Methods: The study was designed to include 30 systemically healthy patients in different age groups. The patients were divided randomly into 3 groups (I, II, III) of 10 patients each to be administered with sterile water, non tempered chlorhexidine and tempered chlorhexidine, respectively, as a pre-procedural rinse. The aerosol produced by the ultrasonic unit was collected at 3° clock, 6° clock and 12° clock positions on blood agar plates within a range of 4 feet in all the three groups. The blood agar plates were incubated for 48 hours and the total number of colony forming units (CFUs) were counted and statistically analyzed. Results: The results showed that CFU in group III and group II were significantly reduced when compared to group I with F=1084.92, P<0.001 (ANOVA). Also, CFU in group III was significantly reduced when compared to group II with P<0.001. Conclusions: Pre-procedural rinse can significantly reduce the viable microbial content of dental aerosols and tempered chlorhexidine was more effective than non-tempered chlorhexidine.

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