| 摘要 |
PROBLEM TO BE SOLVED: To provide a matrix band fastener for curing decayed teeth capable of manually fastening or loosing a matrix band by speedy and simple operation. SOLUTION: The fixture includes a frame main body 3 forming a groove seat 31 to which a matrix band closely adhering to and wrapping the surrounding of a decayed tooth is inserted and held in a proper direction at a front tip, a sliding main body 4 provided with a sliding block 41 at the front tip and fitted to the top face of the main body 3 in the state of being slidable, an inserting and holding means 5 disposed on the upper tip face of the block 41 and fastening/holding and inserting the matrix and a checking means 6 attached between the rear tip parts of the main body 3 and the sliding main body 4, making the main body 4 slide toward a rear chip to restrain/fix in an opposite direction or releasing the main body 4 by simple operation to move forward. |
