Method and apparatus for forming dental prosthesis
专利汇可以提供Method and apparatus for forming dental prosthesis专利检索，专利查询，专利分析的服务。并且Method and apparatus for forming permanent dental prosthesis (i.e., dental bridges) in situ, meaning that the bridge is formed and secured in place directly in the mouth of the patient without the necessity for making impressions, casting models and other processes normally required to form a bridge. This is accomplished in accordance with the principal embodiment of the invention by (1) drilling cavities in two teeth on either side of a space to be occupied by a bridge; (2) inserting into the cavities the opposite ends of a metallic bar; (3) securing the ends of the bar in place within the cavities with a filling material placed in the cavities; (4) inserting a filling material, preferably an unhardened resin-bonded quartz composite in paste form, into one or more hollow tooth molds; (5) forcing the tooth molds containing the unhardened pastelike filling material over the bar and permitting the filling material to harden to form a solid tooth structure which is bonded to the aforesaid bar; and (6) removing the tooth mold or molds from the thus-hardened tooth structure, the thus-formed teeth being held in the mouth by the aforesaid bar anchored to living teeth on either side of the space occupied by the bridge. While in most cases the bar will be secured at its opposite ends within two cavities, it is also within the purview of the invention to secure one end of the bar only within a cavity drilled in one tooth, the prosthesis being supported in cantilever beam fashion. This is particularly useful in forming teeth at the front of the mouth (e.g., a lateral incisor supported on a cantilever bar secured at one end to a cuspid).，下面是Method and apparatus for forming dental prosthesis专利的具体信息内容。
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