| 摘要 |
PROBLEM TO BE SOLVED: To provide an interdental brush with which tooth and gingiva are hardly damaged and the oral cavity is comfortably and safely cleaned by mainly constituting a shaft part or the like of a resin material to extremely improve a cleaning effect by filling bristles approximately radially to the shaft part in an interdental brush. SOLUTION: This interdental brush comprises the shaft part mainly composed of resin and multiple bristles filling the shaft part. The interdental brush preferably contains a shape retaining resin material in the shaft part. COPYRIGHT: (C)2006,JPO&NCIPI
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