| 摘要 |
PROBLEM TO BE SOLVED: To provide a cleaning apparatus of the oral cavity which has sufficient maneuverability even when the mouth is opened just slightly, has excellent cleaning performance and dental plaque removing performance, gives little physical stimulation to the oral tissue, and hardly causes pharyngeal reflex. SOLUTION: The cleaning apparatus comprises a bristling table having a thickness of equal to or more than 1.5 mm and equal to or less than 4.0 mm and a length in the width direction of equal to or more than 6.0 mm and equal to or less than 8.0 mm, a bristling part having a longitudinal length of equal to or more than 14.5 mm and equal to or less than 21.5 mm, and bristles having heights H of equal to or more than 5.0 mm and equal to or less than 10.0 mm. The buckling strength of a brush part is equal to or more than 25 N/cm<SP>2</SP>and equal to or less than 75 N/cm<SP>2</SP>. COPYRIGHT: (C)2008,JPO&INPIT
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