糖尿病是一种常见的内分泌代谢疾病,血糖增高引起全身的急、慢性并发症累及多个器官,已成为致残率、死亡率仅次于肿瘤和心血管病的第三大疾病。牙周炎是指发生在牙龈、牙周韧带、牙骨质和牙槽骨部位的慢性炎症。牙周炎常表现为牙龈出血、口臭、牙周袋溢脓,严重者牙齿松动,咬合 Diabetes mellitus is a common endocrine and metabolic disease. The increase of blood sugar causes multiple acute and chronic complications of the whole body. It has become the third most common cause of morbidity and mortality after cancer and cardiovascular diseases. Periodontitis is a chronic inflammation that occurs in the gums, periodontal ligament, cementum, and alveolar bone. Periodontitis often manifested as bleeding gums, bad breath, pus pus, severe cases, loose teeth, bite