论文部分内容阅读
烤瓷冠、桥修复正在悄然兴起,在一些沿海大城市,似乎已出现了“烤瓷热”,为此,笔者认为有必要讨论一下烤瓷修复牙体预备的车针使用问题.一、由于牙体预备精度较高,切割时必须同时兼顾深度、宽度和长度,作每一切割步骤都应时时把握“三维”概念,不能片刻疏忽.为了把握切割深度,术者每次换车计时必须知道所换车针的直径,并将其作为掌握切割量的尺度.
Porcelain crown, bridge repair is quietly rising, in some coastal cities, it seems that there has been “porcelain fever”, therefore, I think it is necessary to discuss the use of ceramic needle repair needle preparation. Tooth preparation accuracy, cutting must take into account the depth, width and length, for each cutting step should always grasp the “three-dimensional” concept, can not be a moment of negligence.In order to grasp the cutting depth, the operator must change the timing of each time you know Change the diameter of the needle, and use it as a measure of the amount of cutting.