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Comparative laboratory evaluation of three toothbrushes regarding interproximal access efficacy.
S L Yankell1, X Shi, R C Emling
1University of Pennsylvania School of Dental Medicine, Philadelphia.
The Journal of Clinical Dentistry
|January 1, 1992
Summary
The Colgate Precision toothbrush demonstrated superior interproximal access compared to Oral-B and Reach toothbrushes in simulated brushing tests. This new toothbrush design offers improved cleaning efficacy in hard-to-reach areas.
Area of Science:
- Dental hygiene research
- Biomechanical engineering in dentistry
Background:
- Effective plaque removal relies on toothbrush design and brushing technique.
- Interproximal spaces are challenging areas for standard toothbrushes to clean effectively.
Purpose of the Study:
- To evaluate the interproximal access efficacy of the new Colgate Precision toothbrush.
- To compare the Colgate Precision toothbrush against the Oral-B 40 and Reach Full-Head soft toothbrushes.
Main Methods:
- A laboratory device simulated clinical toothbrushing motions and pressures (250-750g) for 60 seconds.
- Interproximal access was measured using pressure-sensitive paper around simulated teeth.
- Twenty-four toothbrushes of each design underwent evaluation for each condition, totaling 864 measurements.
Main Results:
- The Colgate Precision toothbrush achieved statistically superior total interproximal access efficacy scores across all tested conditions.
- The Reach toothbrush showed superior performance over the Oral-B 40 toothbrush in several assessments.
Conclusions:
- The Colgate Precision toothbrush offers enhanced interproximal cleaning capabilities compared to the tested competitors.
- The study highlights the importance of toothbrush design in achieving comprehensive oral hygiene, particularly in interproximal areas.