Clinical Trial: The Use of Antimicrobial Agents in the Inhibition of Mutans Streptococci in Children With Dental Caries

Study Status: Completed
Recruit Status: Completed
Study Type: Interventional

Official Title: Sodium Fluoride, Chlorhexidine and Vancomycin Effect in the Inhibition of Mutans Streptococci in Children With Dental Caries: a Randomized, Double-Blind Clinical Trial

Brief Summary: The aim of the present study was to compare salivary MS levels in four different groups of children with caries, that have been submitted to intraoral topical treatment with either 1,23% sodium fluoride, 1% chlorhexidine, 3% or 10% vancomycin, during 6 consecutive days. This clinical trial was designed to test two different hypotheses. First, that topical vancomycin would be more effective than chlorhexidine and sodium fluoride in salivary MS reduction. Secondly, a 6-day antimicrobial treatment with either one of these agents would produce a long lasting MS suppression, dispensing repeated antibacterial treatments.

Detailed Summary: The present study aimed to compare the effect of sodium fluoride, chlorhexidine and vancomycin on salivary mutans streptococci (MS) levels, on a double-blind, randomized clinical trial. Sixty-nine healthy volunteers, aged 4-8 years, with at least one active carious lesion and no previous history of allergies were selected to participate in the study. A gel formulation containing 1.23% sodium fluoride, 1% chlorhexidine, 3% or 10% vancomycin was topically administered to the dentition every 24 hours, during 6 consecutive days. Salivary MS levels were measured at baseline (D1), on the 6th (D6), 15th (D15) and 30th day (D30). For microbiological analysis, MSB agar medium was used.
Sponsor: Universidade Federal do Ceara

Current Primary Outcome: Salivary mutans streptococci levels prior to treatment, on the last day of treatment (day 6), two weeks after day 1 and 30 days after day 1. [ Time Frame: 30-day observational period for each subject ]

Original Primary Outcome: Same as current

Current Secondary Outcome: Number of new carious lesions within the different study groups 12 months after treatment discontinuation. [ Time Frame: one year ]

Original Secondary Outcome: Same as current

Information By: Universidade Federal do Ceara

Dates:
Date Received: January 29, 2008
Date Started: October 2005
Date Completion:
Last Updated: January 29, 2008
Last Verified: December 2007