Nd:YAG激光与氟钼酸铵联合应用防龋的研究  

Studies on Prevention of Enamal Caries by Combination of Pulsed Nd∶YAG Laser Irradiation and Ammonium Oxofluoromolybdate

作　　者：万领[1,2,3] 仇新全 李玉晶[1,2,3] 姚蓓 王勉镜 高孟林[1,2,3] 

机构地区：[1]首都医科大学附属口腔医院 [2]北京市理化测试中心 [3]北京协和医院激光中心

出　　处：《中国激光医学杂志》1996年第4期197-200,共4页Chinese Journal of Laser Medicine & Surgery

摘　　要：为寻找更有效的防龋手段，通过脉冲式ＮｄＹＡＧ激光与氟钼酸铵溶液联合应用对离体人牙釉质抗酸性作用的实验研究，发现以能量密度为１．６９Ｊ／ｃｍ２的ＮｄＹＡＧ激光辐照１０秒，与氟钼酸铵联合应用于离体人牙表面，提高了釉质的抗酸溶解性，优于二者分别使用。同时对其机制进行了初步探索。The aim of this experiment is to find a new method for clinical prevention of enamel caries. Specimens of human dental enamel were applied with 10% solution of ammonium oxofluoromolybdate (NH 4) 2MoO 2F 4 after laser irradiation. application of 10% solution of (NH 4) 2MoO 2F 4 after laser irradiation (1 69 J/cm 2, 20pps, 10s) caused a more remarkable increase in acid resistance of the enamel than (NH 4) 2MoO 2F 4 treatment alone or laser irradiation alone. The laser treated enamel surface was fused as seen under a scanning electron microscope, but unlased enamel showed no such change. In the case of (NH 4) 2MoO 2F 4 treatment after laser irradiation, the elevation of the calcium profile by spectrum was larger than (NH 4) 2MoO 2F 4 treatment or laser irradiation alone. The maxillary left first molar of the Wister rats with laser irradiation (1 69 J/cm 2, 20pps, 10s) showed no histologic or morphologic changes in rats’ dental pulp.

关 键 词：激光 氟化物 龋齿 预防 

分 类 号：R781.101[医药卫生—口腔医学]