摘要
用牙科发声探针测量牙齿根管长度,操作简便,准确度高.本文介绍了YⅡ型牙科发声探针的设计原理及工作过程,并给出了整机的电路原理图.
The Dental Sono-Explorer type Y III is a very recent instrument for the length of a root cannal. It is not only easy to operate but also better accuracy. The design principle and the diagram of elecrtic principle are presented in this paper.
出处
《口腔材料器械杂志》
1994年第2期60-61,共2页
Chinese Journal of Dental Materials and Devices