| 摘要 |
<p>A device for training the teeth, comprising a tooth rubber of hard rubber provided with a surface intended for bearing against the teeth. The tooth rubber may comprise slide prevention means in the nature of ridges and/or grooves. Alternatively, the tooth rubber is provided with a central portion and a side portion intended to bear against the chewing surfaces of the teeth, during use, and a side portion intended to be positioned, during use, adjacent the side surfaces of the teeth and extend towards or up to the gingiva. Two tooth rubbers may be connected to a link intended to extend, during use, from one side of the jaw to the other.</p> |
