| 摘要 |
An electric toothbrush permits simultaneously brushing and cleaning of the occlusal, lingual and buccal surfaces of the upper and lower teeth of a user. This includes a bristle support member which anchors a plurality of longitudinally extending central rows of bristle tufts that extend outwardly from opposite surfaces thereof. Each surface of the bristle support member has slots herein which receive elongate brush elements having arcuately bent bristles which define outer rows for engaging the lingual and buccal surfaces.
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