发明名称 PREFORMED BANDS WITH LINGUAL EXTENSIONS
摘要 A preformed molar band is provided for use in human dentition correction which includes a wire extension preformed to lie against the lingual surface of the posterior teeth including the canine which has a more easily bendable portion anterior to the canine to permit the wire to be bent in the mouth to wrap around the mesial surface of the canine.
申请公布号 CA1322115(C) 申请公布日期 1993.09.14
申请号 CA19890601861 申请日期 1989.06.06
申请人 BERGERSEN, EARL O. 发明人 BERGERSEN, EARL O.
分类号 A61C7/00;A61C7/12 主分类号 A61C7/00
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