Abstract: A false teeth positioning device being embedded in the false teeth to attach the false teeth onto guns and comprising: a base including a concave surface to be attached onto the gums, the concave surface including a cavity formed thereon, the base including a hole fixed on one side surface thereof; a flexible attaching piece coupled to the concave surface to cover the cavity and including plural indentions arranged on a bottom surface thereof and plural flexible films formed on a top surface thereof to correspond to the indentions; an axial seat secured to one side of the base and including an axial bore disposed thereon to communicate with the cavity; a shaft fixed to the axial bore and including an O-shaped rubber ring arranged on an outer periphery of one end thereof proximate to the cavity; a driving member driven from an exterior to actuate the shaft to move.

Abstract: A dental medical tool comprises a coupler and a hollow grip correspondingly connected with each other, wherein the coupler contains a groove for receiving a dynamo therein, and includes an air inlet and an air outlet both communicating with the groove, and the dynamo couples with a light emitting element and includes a fan pivotally secured at the distal end thereof for utilizing the air inlet and the air outlet to generate an inclined interaction during air flowing, such that the dynamo is actuated to let a power connector output voltage for activating the light emitting element; the grip includes a treatment tool pivotally disposed thereon, and in the predetermined position thereof corresponding to the treatment tool is provided with a window, the grip further includes a light guiding element arranged thereon and extendedly coupling with the window and the light emitting element.