骨性二級異常咬合長期追蹤變成三級異常咬合的兩個病例報告－－難以預期的生長

From Class 11 to Class 111: Unpredictable Growth on the Follow up of Two Cases of Skeletal Malocclusion

對於生長中的患者，預期生長方向及潛力往往是矯正治療相當關鍵的一部分，妥善利用有利的生長可使治療結果更加理想，而及早預防或和家長解釋可能的不利生長，也有助於避免糾紛及醫病關係破壞。預測生長可藉由觀察病患連續幾年的成長、家族史、及醫師的臨床經驗.. .等，但個體間仍有極大的差異性會導致預期外的結果，本文所探討兩病例皆為骨性二級異常咬合經長期追蹤轉變為骨性三級異常咬合的病患，因預期外的生長而導致二次治療。Predicting growth direction and growth potential is an important part of orthodontic treatment in growing patient. Unfortunately, variation between individuals makes growth prediction complicated and difficult. This article is to discuss two skeletal Class 11 cases had unexpected growth and transferred into skeletal Class 111 during growth. This unexpected growth also leading to unsatisfied outcomes and secondary treatment.