Assessment of photodynamic therapy with annatto and led for the treatment of halitosis in mouth-breathing children: Randomized controlled clinical trial

Assessment of Photodynamic Therapy for Halitosis Treatment in Children

Published in PLoS One, September 2024

Objective: The study aimed to evaluate the effectiveness of antimicrobial photodynamic therapy (aPDT) using annatto-based dye combined with blue LED for treating halitosis in mouth-breathing children.

Materials and Methods: 52 children aged six to twelve with mouth breathing and halitosis were randomly divided into two groups. Group 1 received brushing, dental floss, and aPDT on the tongue. Group 2 received brushing, dental floss, and tongue scraping. Breath meter readings were compared before treatment, immediately after, and at seven and 30 days post-treatment.

Results: Both groups showed a significant improvement in breath meter readings after treatment, indicating the effectiveness of the interventions. The aPDT group demonstrated significantly greater improvement compared to the tongue scraping group. The treatment effects were maintained over time in both groups.

Conclusion: Antimicrobial photodynamic therapy with annatto and blue LED proved to be an effective treatment for halitosis in mouth-breathing children.

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