发明名称 Coated temporary dental crowns
摘要 A coated metallic dental crown and orthodontic appliances which are coated with a thin layer tooth-colored polymer which resembles the normal tooth. The appearance of temporary dental crowns and orthodontic appliances is metallic and the coated crowns and appliance blend with the teeth to give a more pleasing appearance in the mouth.
申请公布号 US4722689(A) 申请公布日期 1988.02.02
申请号 US19850811103 申请日期 1985.12.20
申请人 CORBETT, JACK A. 发明人 CORBETT, JACK A.
分类号 A61C13/00;(IPC1-7):A61C13/22 主分类号 A61C13/00
代理机构 代理人
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