上颌突出式咬合被严格禁止。

An overshot bite is to be severely penalized.

youdao

剪状咬合，严重的下颌突出或上颌突出都属于有缺陷。

Teeth Scissors bite. A badly undershot or overshot mouth is a fault.

youdao

咬合必须是下颌突出式咬合，就是说，下颌的门牙必须比上颌的门牙向前突出一些。

Jaws must be undershot. The incisors of the lower jaw should protrude over the upper incisors.

youdao