上颚突出式咬和或下颚突出式咬和都属于缺陷，严重的牙齿不整齐也属于缺陷。
Teeth meet in a scissors bite or they may be level. Overshot or undershot bites faulted to the degree of severity of the misalignment.
上颚突出式咬和或下颚突出式咬和都属于缺陷，严重的牙齿不整齐也属于缺陷。
Teeth meet in a scissors bite or they may be level. Overshot or undershot bites faulted to the degree of severity of the misalignment.
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