下列何種情形的發生較易造成顳顎關節(temporomandibular joint)髁盤複合體(condyle-disc complex)紊亂?①關節盤側韌帶(disc collateral ligament)的延長(elongation) ②下關節盤後層(inferior retrodiscal lamina)的延長(elongation) ③關節盤後緣(posterior border)變厚 ④上外翼肌(superior lateral pterygoid muscle)收縮
A僅①②
B僅③④
C僅①②④正確答案
D①②③④
答案與詳解
