1·Noni leaf has been used for the treatment of gingivitis, periodontal diseases, laryngalgia, laryngitis, sprain, skin disease, and so on.
诺丽叶已用于治疗牙龈炎，牙周疾病，喉痛，喉炎，扭伤，皮肤病等。
2·Bacteria in plaque also cause gingivitis and other periodontal diseases.
菌斑中的细菌还可以导致牙龈炎及其他牙周病。
3·Periodontitis is the most common in different kinds of periodontal diseases.
各类牙周病中，以牙周炎较为常见。
4·Objective: To study the relationship between periodontal diseases and premature delivery.
目的：探讨牙周疾病与早产的关系。
5·Said composite can effectively prevent and cure the periodontal diseases and prevent dental caries.
本发明的组合物能有效预防和治疗牙周疾病或预防龋齿。
6·Objective: To analyze the usual extraction models of orthodontic patients with periodontal diseases.
前言：目的探讨牙周病患者正畸矫治常见的临床拔牙模式。
7·Periodontal diseases, including gingivitis and periodontitis, are among the most common infections of humans.
牙周病，包括牙龈炎和牙周炎，是人类最常见的感染病之一。
8·Brushing teeth effectively can prevent periodontal diseases. But few people know how to brush teeth effectively.
有效刷牙能很好地预防牙周疾病，但懂得有效刷牙的人并不多。
9·Tests of prophylactic therapy of dental caries and periodontal diseases and oral health knowledge have poor results.
龋齿与牙周疾病的防治知识及口腔保健知识测试结果普遍较差。
10·Objective: To investigate the clinical effects in patients with periodontal diseases after telescopic denture treatment.
目的：考察牙周病患者经套筒冠义齿修复治疗后的临床效果。