| 摘要 |
Abrasive tool for dental uses, adapted to act on the teeth of persons for performing abrasive operations on the same teeth, so as to remove decayed parts etc.. therefrom. Tool comprising first fluid/liquid container means (7) provided with heating means (23) to keep fluid/liquid at a pre-established temperature ; second fluid/liquid container means (13) communicating with said first container means (7) through a pump (9); third container means (12, 55) of an abrasive solution; and handle means (16) connected with at least a rod (17) and shaped for being handled and oriented toward the teeth parts to be treated and communicating with the pump (9) through a flexible and reinforced pipe (18). The pump (9) is operated in such a way to draw fluid/liquid from said first container means (7) and to convey it into said second container means (13) with such a high pressure that to convey the relative abrasive solution contained into said third container means (12, 55) through said handle means (16) and said rod (17), by directing it at a very high speed in the form of a jet of fluid/liquid and abrasive solution against the teeth parts to be treated, with subsequent final suction of fluid/liquid and said abrasive solution from the patient's mouth. |
