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Stents for Placement of Orthodontic Attachments, and Methods of Producing and Using Such Stents
专利权人:
Robert Ward
发明人:
Robert Ward
申请号:
US15238243
公开号:
US20170105816A1
申请日:
2016.08.16
申请国别(地区):
US
年份:
2017
代理人:
摘要:
An orthodontic direct bonding stent facilitates ideal positioning of physical attachments on a patients teeth. Novel designs of direct bonding stents include uniquely configured windows for guiding placement of the attachments. Windows of reduced depth leave a majority of each attachment exposed beyond the stent for easy grip and manipulation, and use of a reduced height wall opposite the window-equipped wall eases removal of the stent without disruption of the adhered attachments. Use of elastomeric material at the window boundaries provides an improved seal with the tool for less adhesive splay, and inter-arch stents enable maxillary and mandibular placement with a single appliance. Lingual windows enable lingual placement of attachments for reduced visibility, and reduced wall thickness between adjacent windows provides improved mesial access to attachments. Enlarged bypass openings accommodate previously placed attachments, and bridged voids provide improved access and visibility for adhesive cleanup and accurate placement.
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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