Related Experiment Video
Updated: Aug 11, 2026

Oral Health Assessment by Lay Personnel for Older Adults
Published on: February 2, 2020
Clinical assessment of the INTERPLAK toothbrush vs a conventional brush plus floss
J W Love1, C L Drisko, W J Killoy
1Department of Periodontics, University of Missouri, Kansas City School of Dentistry.
Abstract:
Thirty clinical recall patients from the University of Missouri at Kansas City School of Dentistry participated in a 4-week study to determine the long-term effectiveness of the INTERPLAK Home Plaque-Removal Instrument compared to manual brushing and flossing. Patients were divided into two groups, with each group using the INTERPLAK device for 2 months and the manual brush for 2 months. Patients were assessed according to measured indices for plaque, bleeding, crevice depth, and calculus. The study found that both kinds of brushes significantly reduced plaque, bleeding, and crevice depth; however, only the INTERPLAK brush reduced calculus. Improvements on all indices were greater for the INTERPLAK device than they were for manual brushing and flossing. At the end of the 4 months, most patients indicated that they would continue to use the INTERPLAK device.
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