【摘要】 本文介绍了利用生物活性微量元素防龋的实用性和可能性。此方法在原苏联基辅市应用10几年,取得肯定效果。我们在哈尔滨市某幼儿园开展1年,收到可喜效果。更多还原

【Abstract】 Biologically active trace elements were used to prevent dental caries and the practicality was explored. This method had been used in Jifu, Original Rusian Republics for over 10 years and positive results had been achieved. We used this method in a kindergarten in Harbin for one year and the effets was satisfactory.更多还原