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Efficacy of antimicrobial photodynamic therapy against halitosis in adolescent patients undergoing orthodontic treatment. | LitMetric

Efficacy of antimicrobial photodynamic therapy against halitosis in adolescent patients undergoing orthodontic treatment.

Photodiagnosis Photodyn Ther

Department of Orthodontics and Pedodontics, College of Dentistry, King Khalid University, Abha, Saudi Arabia. Electronic address:

Published: December 2020

AI Article Synopsis

Article Abstract

Purpose: The aim of the present randomized controlled clinical trial was to evaluate the efficacy of photodynamic therapy (PDT) on halitosis in adolescent patients undergoing fixed orthodontic treatment.

Materials And Methods: Forty-five adolescents with halitosis undergoing orthodontic treatment were equally randomized into three groups: Group - I: provision of treatment through PDT on dorsum of tongue; Group - II: provision of treatment with the help of tongue scrappers (TS); Group - III: provision of treatment with the help of TS and adjunctive PDT. Presence of halitosis confirmed on the basis of gas chromatography and estimation of oral malodour with a cysteine challenge and HS values recorded ≥112 parts per billion (ppb). A portable device Oral Chroma™ was used for performing breath analysis. A total of 5 bacterial species including P. gingivalis, F. nucleatum, P. intermedia, T. forsythia and T. denticola were studied as the proportion of sites defined as having ≥1.0 × 10 bacterial cells.

Results: The mean age of the participants in Group-I, II and III were 15.4 years, 13.8 years, and 14.2 years, respectively. The median values for Group-I, II and III at initial breath analysis were 874 ppb, 613 ppb and 1089 ppb, respectively. After treatment with the respective therapeutic modalities, a statistically significant difference was seen among groups after 2-weeks (p < 0.0001) (Table 3). After applying Kruskal-Wallis test, group-III showed the highest amount of reduction in HS concentration (100 %) at final 2-weeks breath analysis compared to group-I and group-II (p = 0.0001). Descriptive statistics for all bacteria showed that group-III (TS + PDT) statistically significantly reduced the proportional distribution of all bacteria at 2-week follow-up (p < 0.0001) compared to group-I or group-II.

Conclusion: PDT along with tongue scrapping showed effective immediate reduction of HS concentration and reduction of oral pathogens in adolescent patients undergoing fixed orthodontic treatment with short-term follow up. Long-term evaluation and complete eradication of halitosis needs to be explored in further clinical trials. In addition, the cost of PDT and its potential side effects should not be disregarded.

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Source
http://dx.doi.org/10.1016/j.pdpdt.2020.102019DOI Listing

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