| 摘要 |
PROBLEM TO BE SOLVED: To provide a toothbrush which prevents a molar from decaying etc. after extraction of a wisdom tooth. SOLUTION: 1. This tooth brush is used exclusively for brushing a side face of a molar after extraction of a wisdom tooth. 2. The tip end part of the toothbrush is bent at about 90°. COPYRIGHT: (C)2006,JPO&NCIPI
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