侧向压力引起的牙周组织变化 Pressure side TEnsion side Tension side Pressure side Department of Oral Pathology, Shandong University http://course.sdu.edu.cn/oralhistopath.htmlDepartment of Oral Pathology, Shandong University 7 http://course.sdu.edu.cn/oralhistopath.html 侧向压力引起的牙周组织变化 Tension side Tension side Pressure side Pressure side