Castable plastic poles:

Retentive plastics.
It burns cleanly without leaving any residue, which prevents porosity in the melt.
Necessary for post and core repair and is used when there is inadequate tooth structure remaining to support the traditional restoration.
The heads of the pins are inverted cones as well as roughened, ideal for providing a key in printing.
Fast and economical.

Description

Calcinable Plastic Posts

Retentive plastics, ie a special plastic that burns cleanly without leaving any residue, which avoids porosity in the foundry. The calcinable plastic pins are necessary for post and wrist repair and are used when there is an inadequate dental structure remaining to support the traditional restoration. The head of the pins are inverted cones in addition to rough ones ideal to provide a key in the impression.