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GINGIVAL RETRACTION DEVICE WITH IMPRESSION AND METHOD OF USE
专利权人:
Inc.;Centrix
发明人:
Pengguang YU
申请号:
US16751389
公开号:
US20200155280A1
申请日:
2020.01.24
申请国别(地区):
US
年份:
2020
代理人:
摘要:
Simultaneously retracting gingiva and taking an impression around a tooth with two different materials having different setting properties with different viscosities or rigidity. A supportive material having a higher viscosity or rigidity relevant to an impression material is used in combination with a rigid tray to retract gingiva and form an impression of and around a tooth. The timing of the application of pressure to the tray when placed over a tooth containing the two different materials is such that pressure is only applied when the supportive material has a state of cure or setting state with a viscosity or rigidity greater than the state of cure or setting state of the impression material.
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中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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