World Class Technology Corporation An Oregon Corpo
发明人:
HAGELGANZ, Rolf,BATHEN, Juergen
申请号：
HK16107376.1
公开号：
HK1219219A
申请日:
2016.06.24
申请国别(地区):
HK
年份:
2017
代理人:
摘要：
A base of an orthodontic bracket includes a matrix of bond pads that form channels to hold adhesive. These channels are oriented at acute angles to a long tooth axis to better resist shear forces impinging from random directions.
