结果喷砂对氧化铝玻璃渗透陶瓷表面结构改变大，氧化铝玻璃渗透陶瓷体积丧失量小于VITAMARKⅡ。
Results Sandblasting changed the glass infiltrated alumina surface more obviously than etching , the volume losing of glass infiltrated alumina was much smaller than that of Vita Mark ⅱ .
喷砂玻璃