英语语法分析

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。

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。

The most common oral diseases are dental cavities and periodontal (gum) disease.

最常见的口腔疾病是龋齿和牙周 (牙龈) 疾病。