Patent ID: 8567000

Claim:
An interdental brush comprising: bristles ( 11 ); a wire ( 12 ) twisted with the bristles ( 11 ); and a handle ( 20 ) attached to the wire ( 12 ), the handle ( 20 ) including a main body ( 21 ), wherein the main body ( 21 ) is formed with a longitudinal hole ( 41 ) through which a base part of the wire ( 12 ) extends, a space section ( 42 ) connecting to the longitudinal hole ( 41 ), and extending through the main body ( 21 ) in a lateral direction, and a tubular wire detachment preventing portion ( 50 ) extending from a peripheral portion of an opening of the longitudinal hole ( 41 ) at an inner wall surface of the space section ( 42 ) into the space section ( 42 ), and the wire detachment preventing portion ( 50 ) is curved together with the wire ( 12 ) with a tip portion of the base part of the wire ( 12 ) being inserted therein.