This study compares the effectiveness of powered and manual toothbrushes in reducing gum bleeding and dental plaque in people with stage 3 or 4 periodontitis. All participants are trained to brush for at least two minutes twice a day. The goal is to find out whether using a powered toothbrush leads to better oral hygiene results than a manual one, when brushing time is standardized. The study will measure bleeding and plaque levels at the beginning and over a 6-month period.
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Full-Mouth Bleeding Score (FMBS)
Timeframe: FMBS will be assessed at baseline and at 7 days, 1 month, 3 months, and 6 months following the intervention.