牙周炭的病圆及病教 牙龈卟啉单胞菌( porphyromonas gingivilis P.g) 放线共生放线杆菌( Actinobacillus tinomycetemcomitans, Aa) 福赛类杆菌( Becteroides forsythus,Bf 嗜麦芽糖密螺旋体( Treponema maltophylum) 中间密螺旋体( Treponema medium) Department of Oral Pathology, Shandong University http://course.sdu.edu.cn/oralhistopath.htmlDepartment of Oral Pathology, Shandong University 6 http://course.sdu.edu.cn/oralhistopath.html 牙龈卟啉单胞菌(porphyromonas gingivilis P. g) 放线共生放线杆菌(Antinobacillus actinomycetemcomitans, Aa) 福赛类杆菌(Becteroides forsythus, Bf) 嗜麦芽糖密螺旋体(Treponema maltophylum) 中间密螺旋体(Treponema medium)