Periodontal disease 着色( stains) 产色素菌造成的绿色染色 洗必泰染色 Department of Oral Pathology, Shandong University http://course.sdu.edu.cn/oralhistopath.htmlDepartment of Oral Pathology, Shandong University http://course.sdu.edu.cn/oralhistopath.html 12 着色(stains): 洗必泰染色 产色素菌造成的绿色染色 Periodontal Disease