Photodiagnosis and Photodynamic Therapy 2020-Apr
Antimicrobial photodynamic therapy with Bixa orellana extract and blue LED in the reduction of halitosis - a randomized, controlled clinical trial.
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Mots clés
Abstrait
METHODS
Forty-four UNINOVE students or employees with a diagnosis of sulfide (H2S) ≥ 112 ppb in gas chromatography were selected. The patients were randomly divided in groups: Group 1 (n = 15): aPDT with annatto and LED; Group 2 (n = 14): tongue scraping; Group 3 (n = 15): tongue scraping and aPDT. For aPDT, a wasBixa orellana extract used in a concentration of 20% w/v (Fórmula e Ação®, São Paulo, Brazil) on the tongue for 2 minutes, associated with a blue-violet LED (Valo Cordless Ultradent® Products, Inc., South Jordan, UT, USA) (395-480 nm). Six points were irradiated on the back of the tongue, at wavelength 395-480 nm for 20 seconds, energy of 9.6 J and radiant energy of 6.37 J/cm2 per point. The results were compared before, immediately after treatment and 7 days after. The Friedman test was used for the intragroup analysis and the Kruskal Wallis test for the intergroup analysis.