Glass plate for control and analysis of tooth technical work, has basic shape which is trapezoidal whereby recess contains longer, parallel side A, which makes possible to apply on tooth-technical work model or tooth-technical work

摘要

Glass plate has the basic shape which is trapezoidal. A recess contains the longer, parallel side A, which makes possible to apply on a tooth-technical work model or a tooth-technical work. The glass plate is 8 mm strongly and transparent.