【摘要】 目的:研究纳米氢氧化钙根管充填材料的抗菌性。方法:采用琼脂扩散法检测纳米氢氧化钙根充材料对儿童感染根管内菌种(金黄色葡萄球菌、粪肠球菌、白色念珠菌)的抗微生物效果,根据所形成的抑菌区域值为评价指标。结果:纳米氢氧化钙根管充填材料对上述细菌均有抗菌作用,抗菌强度依次递减:金黄色葡萄球菌>白色念珠菌>粪肠球菌。结论:纳米氢氧化钙根充材料对感染根管细菌有较强的抗菌作用,适于作为儿童根管充填材料。更多还原

【Abstract】 Objective:To evaluate the antibacterial effect of nanometer calcium hydroxide root canal filling material.Methods:The antibacterial effect of nanometer calcium hydroxide root canal filling material on staphylococcus aureus,enterococcus faecalis,candida albicans was evaluated by agar diffusion test.Results:Nanometer calcium hydroxide root canal filling material showed good antibacterial effect,staphylococcus aureus>candida albicans> enterococcus faecalis.Conclusion:Nanometer calcium hydroxide root canal filling material has higher antibacterial activity on the infected root canal.更多还原