Physical model of the caries is of general meaning in the etiology, pathology of caries and its affecting factors.
龋病研究的物理模型广泛应用在龋病病因、病理及影响因素等的分析研究中。Prevention by using fluoride is the only realistic way of reducing this burden in populations.
通过氟化物的应用预防龋病是在人群中减少这种疾病负担的唯一现实的方法。The developments of crystallographic study would be helpful to the studies of dental caries and dental materials.
釉质结晶学研究对龋病研究以及牙科材料学的发展具有积极的指导作用。Periodontopathy which is one of two biggest oral diseases in the world, mainly due to the imbalance of Gram-negative bacteria flora.
牙周病是两大口腔疾病之一，在世界范围内均有较高的患病率，在我国患病率更居于龋病之上，主要致病原因是革兰氏阴性厌氧菌群失调。Methods: Simple random sampling and analyzing questionares from a representative school whose puples had been treated by a dentist.
方法：选取一所有代表性的学校，经统一龋病治疗后进行问卷随机抽样调查。Conclusion: Microelement lanthanum has important roles on development and prevention of caries.
结论：微量元素镧对龋病的发生发展及防治有重要作用。Dental caries is a common and frequent disease in department of stomatology, with gradually damage of oral hard tissue.
龋病是口腔科的常见病和多发病，发病始于牙冠，如不及时治疗，最终结果是牙齿丧失。Analysis of the Rlelationship Between Dental Carious Prevalence and Risk Factors Among Middle School Students in Hainan .
海南省农村中学生龋病状况及其危险因素分析。Significantly higher levels of NOS were found in pulp of carious tooth and traumatic pulp, but lower in inflammatory pulp.
这种染色在龋病、外伤时有不同程度的增强，而在炎症时则减弱。