I was also missing an upper cuspid , which never grew in .

我还缺了一颗上犬齿，它压根儿从来也没有长出来过。

This minor adjustment is quite easy , as opposed to adjustments made from cuspid to cuspid in the arch form .

这轻微调整很容易，而不是调整从尖牙至尖牙在牙弓形态。