| 摘要 |
A dental instrument (10) for preventing accidental swallow having a circumferential wall (14) for drop prevention on the periphery of a receiving plate (12) and a grip (13) on the receiving plate or circumferential wall; inserted in the mouth to catch the prosthetic appliance, filler, etc. coming off during a dental treatment so as to prevent them from dropping into the trachea or gullet. |
