牙龈炎是多种因素引起的牙龈炎症,是牙周病的一种。口腔卫生不良、全身性疾病所致的抵抗力下降、维生素缺乏、白细胞减少、变态反应、内分泌紊乱(如糖尿病、月经期)、药物反应(如苯妥英钠、钙拮抗剂等),用口呼吸,以及其他局部因素如牙石、菌斑、食物嵌塞、不良修复物即假牙等均可引起牙龈 Gingivitis is a gingival inflammation caused by a variety of factors, is a kind of periodontal disease. Poor oral hygiene, decreased immunity due to systemic disease, vitamin deficiency, leukopenia, allergy, endocrine disorders such as diabetes mellitus and menstrual period, drug reactions such as phenytoin sodium, calcium antagonists, etc., mouth breathing, As well as other local factors such as calculus, plaque, impaction of food, poor prosthesis that can cause the gums