The present invention is the heat generated from the plunger body and the pressing by forming integrally a plunger that is directly separated, the filler added, as well as to minimize the loss or damage of the plunger sudden and heater of high temperature, even when withdrawing the plunger from the chamber charged for to directly provide the heat treatment because of skin or a root canal or pisisulja charger is equipped with a one-piece plunger even safe to be continuously supplied filler, etc. If you do injure facial injuries and not transmitted to the body is an object. The present invention is further provided with a removable areas, even if adhered to the adhered after exhaustion of the filler with the pressure added by using a removable sphere allows clearing a pressure from the chamber filled, provided with a one-piece plunger one for recycling the needle parts there is another purpose to provide a root canal charger. And, the present invention than by making can be made the procedure by making it operate making the endodontic filling instrument with a pen-type and supplied with power of an actuator battery system or from the outside, the operator, depending on the charging direction changing easily the position of the endodontic filling instrument to provide a one-piece plunger is provided with an endodontic filling instrument to be made stably charged in an easy posture, there is another purpose. ; 展开▼