1·But there are two much more serious problems, common dental diseases that can lead not only to loss of teeth but also to loss of life: periodontal disease and oral cancer.
不过，还有两个更为严重的健康问题，普通的牙病不只让人失去牙齿，还会失去性命：它们可能引发牙周病和口腔癌。
2·When periodontal disease is treated by reducing inflammation and lowering the quantities of harmful bacteria in the mouth, it can have a major impact on inflammation in the rest of the body.
当通过减少炎症和降低口腔内的有害病菌数来治疗牙周病时，它会对人体其他器官的炎症产生主要影响。
3·Type 2 diabetes patients have twice the risk of developing periodontal disease of people without diabetes.
2型糖尿病患者比非糖尿病人有两倍风险患上牙周病。
4·Halitosis: may be the stomach or liver problems, or is caused by periodontal disease.
口臭：可能是胃或肝出现了问题，或是牙周病引起。
5·Objective: To observe the clinical efficacy of treating periodontal disease by Oral Metronidazole, tetracycline and vitamin c.
目的观察口服灭滴灵、四环素、维生素c治疗牙周病的临床效果。