Results:2 to 3 months after loss of teeth, the expression of sulfated glycosaminoglycon (GAG) and PGs decreased in both condyles,and that decreased more in the condyles on non-extraction side.

• 结果：酸性粘多糖和蛋白多糖术后含量均降低，以非拔牙侧更显著，随着缺牙时间的延长这些变化而更显著。