早期(7歲)前牙反咬 (治療前)
7 years old front teeth corss bite (before treatment)
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右上正門牙長在太靠內側 Upper front tooth grown lingually |
右上正門牙將下門牙推離牙弓 Anterior cross bite push lower front teeth forward |
上下前牙互撞 Traumatic occlusion |
前牙反咬阻礙上顎牙弓生長 Anterior cross bite inhibit normal maxilla growth |
前牙反咬使下顎牙弓前推變形 Anterior cross bite cause lower dentition de-form |
早期(7歲)前牙反咬 (治療後)
7 years old anterior corss bite (after treatment)
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及早更正前牙反咬 Early age correction |
上下門牙功能正常 Normal front teeth growth |
上下前牙互撞消失 Normal front teeth cutting |
上顎牙弓正常生長 Maxilla growth normally |
改正前牙反咬使下顎牙弓正常生長 Mandible dentition grow normally |