Abstract: Dental implant including a threaded shaft fitted with external threads (1) and a central tubular passage (2) fitted with an internal threaded portion (3), a fixing screw (5), complementary to it, which supports a dental crown or any other type of connection (6), and, in the end portion of the central tubular passage (2), there is a housing (7) to contain the medicament.

Abstract: 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).