Objective To summarize the treatment of senile dental caries of root surface.
目的总结老年人根面龋的治疗方法。
There was not a significant difference in root surface area of rice by comparing with the control treatment.
鸭稻共作方式下水稻根系总长变化无明显规律，根系表面积与常规栽培方式下相比无显著差异。
Objective To investigate the clinical effects of glass ionomer and fluoride varnishes in the treatment of root surface caries in senile patients.
目的比较玻璃离子和氟化钠修复预防根面龋的效果。
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