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Clinical evaluation of an automatic flossing device vs. manual flossing
O Shibly1, S G Ciancio, S Shostad
1School of Dental Medicine, State University of New York at Buffalo, USA.
Summary
Automatic power flossers and manual floss show similar effectiveness for gingival health. Automatic flossers may improve patient compliance, potentially benefiting overall oral hygiene.
Area of Science:
- Oral hygiene
- Periodontology
- Dental device efficacy
Background:
- Effective plaque removal is crucial for preventing gingivitis and periodontal disease.
- Manual flossing is a standard but can be challenging for some individuals.
- Novel devices aim to improve interdental cleaning accessibility and compliance.
Purpose of the Study:
- To compare the clinical effectiveness of an automatic power flosser versus traditional manual floss.
- To assess the impact of each flossing method on plaque levels and gingival health indicators.
- To evaluate patient preference and compliance between the two flossing techniques.
Main Methods:
- Seventy adult subjects were randomized into two groups: automatic power flosser or manual floss.
- Participants received standardized brushing instructions and used their assigned interdental cleaning device once daily.
- Gingival health was assessed using the Modified Gingival Index (MGI) and Bleeding Index (BI); plaque was measured using the Plaque Index (PI).
Main Results:
- No significant differences were observed in MGI or BI between the automatic and manual flossing groups.
- A statistically significant difference in PI was noted at day 15 (0.73%) but not at day 30.
- The small differences in PI between groups (<2%) did not translate to significant differences in gingival health outcomes.
Conclusions:
- Both automatic power flossers and manual floss demonstrate comparable efficacy in improving gingival health.
- Automatic flossers may offer improved patient compliance due to user preference.
- Enhanced compliance with automatic flossing devices could lead to better long-term gingival health benefits.

