| 摘要 |
PURPOSE: A multi-abutment device is provided to improve separating force of impression coping and to precisely fix a prosthetic appliance. CONSTITUTION: A multi-abutment device comprises a fixture, an abutment, a connection rod, and an impression coping. The fixture is fixed to the alveolar bone of a patient. The abutment is fixed by a predetermined screw inserted into a through hole. One abutment is simultaneously used as a healing abutment and an impression implant. The through hole is formed from the top to the center of the fixture in a longitudinal direction. The connection rod is inserted into the through hole of the abutment. The impression coping is fixed on the top of the connection rod.
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