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ELASTIC MATRIX SYSTEM
专利权人:
Robyn B. Lesser
发明人:
Robyn B. Lesser
申请号:
US16375155
公开号:
US20200315742A1
申请日:
2019.04.04
申请国别(地区):
US
年份:
2020
代理人:
摘要:
An elastic matrix system for use during a dental restoration process is provided. In one embodiment, among others, the matrix system may include a restoration band having an elongated body between a first end and a second end. The restoration band comprises a top edge and a bottom edge. The matrix system also includes an upper circular rim of elastic material that has a first channel. The top edge of the restoration band is positioned in the first channel, and the restoration band expands and contracts a circumference of the matrix system along the first channel as the upper circular rim is manipulated. The matrix system also includes a lower circular rim of elastic material that has a second channel. The elastic sleeve attaches the upper circular rim to lower circular rim.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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