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粘接implant supported bridge时, 如何准确找到abutment或者bridge需要调磨的位置？
#11 · March 17, 2023, 6:17 pm
If 2 implants are not parallel, the bridge may be unable to be seated passively. Nonhexed abutments will make seating easier.
#12 · March 17, 2023, 6:17 pm
screw retained的bridge 用一个nonhex
#13 · March 17, 2023, 6:17 pm
In case you have to remove the bridge later for repair, nonhexed abutments will make you life easier.
Yes, one of abutments with nonhex is enough if the implants are not too nonparallel.
#14 · March 17, 2023, 6:18 pm
我觉得如果implant 不平行，那可以用custom abutment 设计让他的粘接位置平行，但是接口处还是需要hexed
#15 · March 17, 2023, 6:18 pm
不认同。两个nonhex有很多弊端
#16 · March 17, 2023, 6:19 pm
我比较同意这个说法
#17 · March 17, 2023, 6:19 pm
尽量避免两个都用nonhex
nonhex完全是靠screw来吃力 容易断screw
#18 · March 17, 2023, 6:19 pm
我们经常做这种病例，取膜的时候我们还是用hexed，但是最后的bridge如果戴不进去，我们会修改一侧的abutment，去掉hex那部分，一般就没有什么问题了
#19 · March 17, 2023, 6:20 pm
也叫engaged, non engaged
#20 · March 17, 2023, 6:20 pm
这个也可以 就是手工磨和机械预选磨