| 摘要 |
he invented dental saliva suction device is composed of the basic stem 1, which is branched off and so divided into two members 2,3 liable to be bent independently the one from the other so that the one is liable to be placed between the teeth and the tongue, and the other between the teeth and the jawbones. Due to the bifurcate form of said device, the saliva and the other liquids of the mouth can be synchronously sucked to facilitate the dentist work. |
