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Filament end-rounding quality in electric toothbrushes
H Meyer-Lueckel1, A S Rieben, A M Kielbassa
1Department of Operative Dentistry and Periodontology, University School of Dental Medicine, Charité-Universitätsmedizin Berlin, Germany. hendrik.meyer-lueckel@charite.de
Journal of Clinical Periodontology
|January 12, 2005
Summary
High-quality toothbrush filament tips protect gums and teeth. Most tested electric toothbrush brands demonstrated acceptable filament tip quality, ensuring dental tissue protection.
Area of Science:
- Dental hygiene
- Materials science
Background:
- Toothbrush filament tip quality is crucial for preventing gingival and dental hard tissue abrasion.
- The end-rounding quality of toothbrush filaments directly impacts their safety and efficacy.
Purpose of the Study:
- To evaluate and compare the end-rounding quality of filaments across 15 different electric toothbrush brands.
- To determine the proportion of brands meeting acceptable standards for filament tip quality.
Main Methods:
- Random selection of five brushes from each of the 15 electric toothbrush brands.
- Microscopic examination (scanning electron microscope, x45, 45-degree viewing angle) of five tufts per brush.
- Assessment of filament tip end-rounding using the blinded Silverstone & Featherstone method.
Main Results:
- Nine out of 15 brands (60%) exhibited high (acceptable, >89%) end-rounding quality.
- Four brands (26.7%) showed medium (76-84%) quality, and two brands (13.3%) had poor (34-38%) quality.
- Overall, 13 of the 15 brands met the criteria for good filament tip quality.
Conclusions:
- A significant majority of electric toothbrush brands provide filament tips of acceptable quality.
- Good filament tip quality is essential for protecting gingival and dental hard tissues from abrasion.
- The study confirms that most examined brands adhere to quality standards necessary for safe and effective oral hygiene.
