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Related Experiment Video

Updated: May 3, 2026

2-Methacryloyloxyethyl Phosphorylcholine Polymer Treatment of Complete Dentures to Inhibit Denture Plaque Deposition

2-Methacryloyloxyethyl Phosphorylcholine Polymer Treatment of Complete Dentures to Inhibit Denture Plaque Deposition

Published on: December 26, 2016

Does proper flossing performance translate into effective plaque removal?

Katja Jung^1,2, Björn Böttge³, Mathis Kullmann^3,4

¹Department of Restorative Dentistry and Endodontology, Dental Clinic, Justus-Liebig-University of Giessen, Giessen, Germany. katja.jung@uni-marburg.de.

Clinical Oral Investigations

|September 4, 2025

Summary

This summary is machine-generated.

Improving flossing technique does not significantly enhance plaque removal. This study found that even with proper instruction, dental floss may not effectively reduce plaque levels, questioning its overall efficacy for interdental cleaning.

Keywords:

Dental floss Dental plaque Interdental hygiene Intraoral scanning Video observation

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Area of Science:

Oral hygiene research
Periodontology
Dental public health

Background:

Interdental hygiene is vital for oral health.
The effectiveness of dental floss for plaque removal is debated.
Optimal flossing technique's impact on cleaning efficacy requires clarification.

Purpose of the Study:

To assess if improved flossing technique correlates with enhanced plaque removal.
To evaluate the impact of instructional videos on flossing performance.
To investigate the relationship between flossing technique and plaque reduction.

Main Methods:

37 adults underwent plaque disclosure and intraoral scanning.
Habitual and post-instruction flossing were videotaped and analyzed.
Plaque coverage (Proximal Surface Plaque Index) and flossing performance (FPS) were quantified.

Main Results:

Flossing performance score (FPS) significantly improved post-instruction (p < .001).
No significant improvement in plaque removal (Proximal Surface Plaque Index) was observed.
Plaque removal efficacy did not correlate with flossing technique improvement.

Conclusions:

Improved flossing technique, even after instruction, may not substantially reduce interdental plaque.
Findings question the clinical effectiveness of dental floss as a primary interdental cleaning method.
Further research into alternative interdental cleaning strategies is warranted.