The enzyme histochemical changes of massetermuscles and temporalis muscles fibers were analyzed by NADH-TR and ATPase staining.

• 进行咬肌和颞肌肌纤维烟酰胺腺嘌呤二核苷酸四唑还原酶(NADH-TR)和腺苷三磷酸酶(ATP酶)染色分析。