| 摘要 |
<p>The device according to the invention is characterised in that it is composed of a squeezing device comprising two branches (2 and 3) which are bent and which are articulated by one of their ends about a shaft (12) and which terminate by two jaws (4, 5) equipped with rollers (6, 7) mounted on a support (8a, 8b and 9a, 9b) and integral with each jaw. The device may be employed to prevent gum diseases or to assist in the curing of such diseases. <IMAGE></p> |
