Epidemiologic and mechanistic evidence linking periodontal infections and atherosclerosis .

联系牙周感染和动脉粥样硬化的流行病学和机制学的证据。

Has he loosened the periodontal ligament yet ?

他弄松了牙组织韧带了吗？

In this artide research progress is reviewed about the relationship between occlusal trauma and periodontal diseases , as well as the examination and diagnosis of bruxism .

本文将对咬合性创伤与牙周炎关系的研究进展和磨牙症的检查诊断做一简单阐述。

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。

Principles and methods of preventing periodontal disease ?

牙周疾病预防的原则和方法？