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Toothbrushing behavior over time: A correlational analysis of repeatedly assessed brushing performance
Ulrike Weik1, Thorben Sämann1, Zdenka Eidenhardt1
1Institute of Medical Psychology, Justus-Liebig-University Giessen, Giessen, Germany.
Plos One
|December 19, 2024
Summary
Established toothbrushing habits are highly consistent within individuals, even when instructed to change. This stability highlights challenges in improving oral hygiene and emphasizes the need for tailored interventions.
Area of Science:
- Oral Health
- Behavioral Science
- Dental Hygiene
Background:
- Effective toothbrushing is crucial for oral health, yet many individuals struggle with consistent cleanliness.
- Existing research identifies common brushing deficits, but lacks longitudinal data on habit stability.
Purpose of the Study:
- To investigate the intra-individual stability of toothbrushing performance over a two-week period.
- To determine if individuals can alter their established brushing patterns when instructed.
Main Methods:
- 105 students underwent two observed brushing sessions two weeks apart.
- Participants were divided into groups: 'best ability' and 'usual brushing'.
- Observers analyzed brushing duration, movements, surface coverage, and time distribution.
Main Results:
- All observed toothbrushing parameters demonstrated high intra-individual stability (r = 0.72 to 0.93).
- This consistency was observed in both the 'best ability' and 'usual brushing' groups.
- All correlations were statistically significant (p < 0.001).
Conclusions:
- Individuals develop specific, stable toothbrushing patterns that are resistant to change.
- Preventive strategies must acknowledge the difficulty in modifying established oral hygiene habits.
- Healthcare providers and patients need to recognize this challenge for effective oral care.
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