我院自制螺旋型机用根充针在临床上应用7年,治疗病牙千余例,经X线片证实疗效满意,根充物充满整个根管,密度均匀无空隙,是理想的根管糊剂充填器械。自制螺旋型机用根充针由两部分组成,第一部分针柄,第二部分螺旋形充填针。针柄可 Our hospital self-made spiral machine root filling needle in the clinical application of 7 years, the treatment of more than a thousand cases of diseased teeth, the X-ray film confirmed the satisfactory results, root filling full of the entire root canal, uniform density without gaps, is the ideal root canal Paste filling equipment. Homemade spiral machine root filling needle consists of two parts, the first part of the needle handle, the second part of the spiral filling needle. Needle handle can be