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Elastic bands for orthodontic use
专利权人:
Neil O. Lawner
发明人:
Neil O. Lawner,Marsha Blanke
申请号:
US13069698
公开号:
US08177552B1
申请日:
2011.03.23
申请国别(地区):
US
年份:
2012
代理人:
摘要:
An orthodontic band is provided made from an elastomeric material wherein the band has a shape which simulates the profile of an object with an open area within the band. In its unstretched condition the outer perimeter of the band is of a shape which is not a smooth continuous endless curve to thereby simulate the profile of the object, such as a star or heart. The band is mounted to a bracket on an upper tooth and to a bracket on a lower tooth by stretching the band and looping the open area over hooks on both brackets. The stretched band thereby provides a force against the teeth.
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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