镁硒制剂拮抗小鼠氟牙症的实验研究

Journal of Shanxi Medical University(2015)

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Abstract
目的:通过动物实验研究镁硒制剂对小鼠氟牙症的影响及其机制,为氟牙症的防治提供基础数据。方法80只雄性ICR小鼠随机分为对照组、单镁组、单硒组、镁硒组、加氟组、镁氟组、硒氟组和镁硒氟组。对照组、单镁组、单硒组、镁硒组每日饮用双蒸水,各加氟组每日饮用含F-浓度50 mg/L的氟化双蒸水。除对照组、加氟组外,小鼠常规饲料中分别添加一定量的镁、硒。饲养42 d,观察小鼠体重、牙长增长情况,以及第42天时氟牙症的发生情况、病变程度。结果①镁硒氟组小鼠牙长增长率明显高于加氟组(P<0.01)。②镁硒氟组小鼠氟牙症的发病率明显低于其余各组(P<0.01),且程度较轻。
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Key words
dental fluorosis,magnesium,selenium,antagonistic effect
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