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Published on: September 17, 2021
Evaluation of Perceived Brushing Sensation
Seitaro Suzuki1, Mami Endoh2, Chisachi Ogura3
1Department of Epidemiology and Public Health, Tokyo Dental College.
The Bulletin of Tokyo Dental College
|May 17, 2026
Summary
Manual toothbrush sensation is key for user satisfaction. Bristle hardness and brush head size significantly impact how a toothbrush feels and performs, influencing overall user experience.
Area of Science:
- Dental hygiene
- Consumer product evaluation
- Sensory science
Background:
- Understanding user perception of manual toothbrushes is crucial for product development.
- Sensory attributes significantly influence consumer choice and satisfaction with oral hygiene products.
Purpose of the Study:
- To identify key factors influencing the perceived brushing sensation of manual toothbrushes.
- To analyze the sensory and functional attributes that contribute to user experience.
Main Methods:
- A paired comparison study involving 23 dental hygiene students.
- Evaluation of five commercial manual toothbrushes across 16 sensory and functional attributes.
- Exploratory factor analysis to determine underlying structures of perceived brushing sensation.
Main Results:
- Two primary factors emerged: tactile/functional characteristics (e.g., firmness, plaque removal) and usability/post-brushing sensation (e.g., head size, freshness).
- Bristle hardness was identified as a significant factor in tactile perception.
- Brush head dimensions were strongly associated with usability and post-brushing comfort.
Conclusions:
- Perceived brushing sensation is multi-faceted, driven by both performance and comfort attributes.
- Manual toothbrush design, specifically bristle hardness and head size, critically influences user satisfaction.
- Future toothbrush development should prioritize these key sensory factors for enhanced user experience.
