Department of Stomatology The Affiliated Hospital of North Sichuan Medical College Nanchong 637000 Sichuan Province China;
Department of Stomatology Wuhou District People''s Hospital of Chengdu Chengdu 610041 Sichuan Province China;
Department of Stomatology Chengdu Children Special Hospital Chengdu 610041 Sichuan Province China;
Department of Stomatology The Affiliated Hospital of North Sichuan Medical College Nanchong 637000 Sichuan Province China;
Severe periodontitis; Dental pulp and periodontal therapy; Interleukin-1β; Interleukin-10;