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Clinical comparison of an electric‐powered ionic toothbrush and a manual toothbrush in plaque reduction: A randomized clinical trial
Author(s) -
Ikawa Takahiro,
Mizutani Koji,
Sudo Takeaki,
Kano Chihiro,
Ikeda Yuichi,
Akizuki Tatsuya,
Kobayashi Hiroaki,
Izumi Yuichi,
Iwata Takanori
Publication year - 2021
Publication title -
international journal of dental hygiene
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.674
H-Index - 38
eISSN - 1601-5037
pISSN - 1601-5029
DOI - 10.1111/idh.12475
Subject(s) - premolar , toothbrush , medicine , dentistry , molar , orthodontics , materials science , brush , composite material
Objectives This study aimed to evaluate the plaque removal efficacy of a newly developed electric‐powered ionic toothbrush vs. a manual toothbrush. Materials and Methods Manual or electric‐powered ionic toothbrushes were randomly assigned to 30 healthy volunteers divided into two groups (Phase I). After 2 min of brushing, all tooth surfaces were stained with a plaque staining solution, and blinded examiners performed scoring using the Rustogi Modification of the Navy Plaque Index. Plaque removal rate was calculated at the central incisors, first premolar and first molar, as representative teeth, in the maxilla and mandibula. One week following Phase I, the same examinations were repeated in all subjects using another toothbrush (Phase II), as a crossover design. Results Electric ionic toothbrushes demonstrated a significantly higher plaque removal rate than manual toothbrushes in the premolar and molar areas ( p  < .05). However, in the central incisor area, no statistically significant difference was observed. Conclusions Compared with manual toothbrushes, electric‐powered ionic ones were significantly efficient in removing plaque in the premolar and molar areas.

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