PMID: 29758155May 15, 2018Paper

Six-Month Evaluation of a Sodium Bicarbonate-Containing Toothpaste for Reduction of Established Gingivitis: A Randomized USA-Based Clinical Trial

The Journal of Clinical Dentistry
Anto JoseNan Wang

Abstract

Short-term use of sodium bicarbonate (NaHCO3)-containing toothpaste reduces plaque and improves clinical measures of gingivitis. To examine this over a longer period, we compared efficacy and tolerability of twice-daily brushing for 24 weeks with 67% or 0% NaHCO3-containing toothpastes in USA-based participants with moderate gingivitis (Clinicaltrials.gov:NCT02207400). This was a six-month, randomized, examiner-blind, parallel-group, clinical trial. Investigators randomized adults with blood in expectorate after brushing and ≥ 20 gingival bleeding sites to 67% NaHCO3 (n = 123; n = 107 completed study) or 0% NaHCO3 (n = 123; n = 109 completed study) toothpastes. Primary efficacy variables included between-treatment differences in number of bleeding sites and Modified Gingival Index (MGI) score at 24 weeks. Secondary efficacy variables included Bleeding Index and Turesky modification of the Quigley-Hein Plaque Index (overall and interproximal sites) at six, 12, and 24 weeks. A subset of 50 participants underwent sampling to assess plaque microbiology over the course of treatment. Compared with the 0% NaHCO3 toothpaste, the 67% NaHCO3 toothpaste produced statistically significant improvements at Week 24 in number of bleeding sites...Continue Reading

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