Post is a type of dental material which is cemented into the prepared root canal in inadequate amount of sound tooth structure remaining to retain the crown.
There are different types of tooth colored posts
First generation tooth colored posts
Carbon fiber posts
Glass [quartz] fiber posts
Silicate glass ceramic posts
Fiber reinforced composite post
Second generation tooth colored posts
Ceramic posts
Zirconium oxide posts
Third generation tooth colored posts
Functionally graded composite resin posts
Advantages of tooth colored posts
Its favorable esthetics
Ease of use
The modulus of elasticity values that is similar to that of dentin that can reduce the risk of fractures
Reduces the stress convention at the apex of the root
It increases the survival compared to teeth restored with metallic posts