The most common and most important application of post and blind is its use in severely damaged teeth. In other words, in teeth that have destroyed more than three quarters of the crown volume, it is necessary to use a mechanical clamp inside the canal to maintain the crown at the level of the tooth crown. This clamp is made using prefabricated posts or metal posts and recently fiber posts There are different types of posts, such as template posts, data form posts, and two-piece posts, which can be made in both None Precious alloy and NPG forms.
