现代口腔医学中,牙周病是最迫切和远未解决的课题。近15—20年,大多数国外研究者认为局部因素在牙周病的病因和发病方面起主要作用。微生物因子的作用现代牙周病学者认为:牙菌斑,牙垢,牙石对炎症性牙周病的发病起着重要作用。它们含有大量微生物,由于它们的发酵作用,与之相邻的上皮细胞, In modern stomatology, periodontal disease is the most urgent and far unsolved problem. Nearly 15-20 years, most foreign researchers believe that local factors play a major role in the etiology and pathogenesis of periodontal disease. The role of microbial factors Modern periodontist scholars believe that: plaque, tartar, calculus plays an important role in the pathogenesis of inflammatory periodontal disease. They contain a large number of microorganisms, due to their fermentation, the adjacent epithelial cells,