Installation fixed installation and installation fixed manner null of gypsum dentition

摘要

PROBLEM TO BE SOLVED: To provide an attaching and fixing device and attaching and fixing method of a plaster dentition model capable of minimizing the using number of fixing pins, reducing a cost required for working and forming the plaster dentition model and improving operation efficiency. ;SOLUTION: The main body parts 15a of headed pins 15 whose head parts 15b are embedded in a treating tooth part and the other optional non-treating tooth part are suspended from the bottom part of the plaster dentition model matched with the embedded position of hollow sleeves 14 on the side of base materials 2 and 3, and headless pins 16 whose upper parts forms the same surface with one surface of the base material 3 are freely insertably and detachably fitted to the other hollow sleeves 14 excluding the hollow sleeves 14 for fitting the respective headed pins 15.;COPYRIGHT: (C)1998,JPO