DENTAL AIR GUN WITH A HEATING DEVICE

摘要

PURPOSE: A dental air gun with a heater is provided to spray heated air to a treatment portion to dry the surface of teeth, to rapidly cure a resin, and to remove foreign materials from the oral cavity. CONSTITUTION: A dental air gun with a heater sprays air into the oral cavity during a treatment. The air gun comprises a first case (5), an insulating material (4) which is installed to surround the inner side of the first case, a coil type copper pipe (3) installed inside the insulating material, a heater holder (2) installed in the hollow of the coil type copper pipe, and a positive temperature coefficient heater (1) installed inside the heater holder. Thermal grease is coated on a contact region of the heater holder and positive temperature coefficient heater and a contact region of the coil type copper pipe and heater holder. A second case is combined with the upper end of the first case. An air inlet (20) and an air outlet (21) are formed on the lower part and upper part of the coil type copper pipe, respectively. The air outlet is extended to the inside of the second case (15).