Dental crowns
- 专利权人:
- Uri Zilberman
- 发明人:
- Uri Zilberman
- 申请号：
- US10685803
- 公开号：
- US08651867B2
- 申请日:
- 2003.10.16
- 申请国别(地区):
- US
- 年份:
- 2014
- 代理人:
- 摘要：
- The present invention provides a dental crown formed of a thermoplastic polymer material, the crown comprising: a tooth shaped top surface and flexible side surfaces, at least one of which includes an inwardly directed bottom portion.
- 来源网站：
- 中国工程科技知识中心
