COMPARATIVE STUDY
JOURNAL ARTICLE
RANDOMIZED CONTROLLED TRIAL
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Influence of manual and power toothbrushes on clinical and microbiological findings in initial treatment of periodontitis - A randomized clinical study.

PURPOSE: This randomized clinical study compared the influence of manual and power toothbrushes on clinical and microbiological findings in initial treatment of periodontitis.

METHODS: A total of 72 participants with a mean age of 55.7 years were randomly assigned to three groups (n= 24):oscillating-rotating (OR), sonic-active (SA) and manual toothbrush (MTB). At baseline, after 4 weeks and after 12 weeks, the following parameters were assessed:modified Quigley-Hein-Index (QHI), papilla bleeding index (PBI), periodontal pocket depth (PPD), bleeding on probing (BOP) and recession. For microbiological analysis (PCR) of 11 periodontal pathogenic bacteria, samples of sulcular fluid were taken from the deepest pockets. Statistical analysis was performed using ANOVA, with the level of significance set at α= 5%.

RESULTS: All clinical parameters:PBI, modified QHI, PPD, BOP and recession showed an improvement after 12 weeks compared to baseline, regardless of which toothbrush system was used. Regarding PBI, the SA group showed significantly greater improvement compared to OR and MTB (P< 0.01). In plaque removal (QHI) only OR was significantly more effective than MTB (P= 0.01). Periodontal parameters showed a significantly higher reduction of PPD for SA compared to MTB and MTB compared to OR (Plt; 0.05), while for BOP only a significantly higher reduction in SA compared to OR was detected (P= 0.01) Microbiological analysis showed an improvement in prevalence of several bacteria without significant differences between groups.

CLINICAL SIGNIFICANCE: Patients might benefit from powered TB systems, especially in initial treatment of periodontitis.

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