| 摘要 |
A method and means for the fixation and immobilization of a patient's jaws for use in the oral surgery art. An arch bar is disposed around the exterior of a patient's teeth, either the lower or upper teeth, in accordance with the particular oral surgery problem to be solved. The arch bar is a flat strip of soft stainless steel which is secured to the teeth by a plurality of arch wires. Each of the arch wires is disposed between two adjacent teeth, and it has a knob on the inner end for fitting against the lingual-gingival embrasure of two adjacent teeth. Each arch wire has a number of spaced apart beads of varying diameter which are adapted to pass through an opening in the arch bar in only one direction so as to secure the arch bar to the outer side of the teeth. A special cutting pliers is provided for cutting off the excess length of an arch wire after it is secured to an arch bar. An arch bar and securing wires can be used on each of the upper and lower teeth. The upper and lower arch bars in such instance are each provided with a plurality of hooks which are connected by a suitable retaining means, as an elastic retaining member or a wire type retaining member, for fixing the upper and lower jaws together.
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