Understand better
When the tooth has lost its coronal structure by 50% or more, it is necessary to use an intraradicular post to support the new restoration (direct/indirect) after endodontic treatment.
The modulus of elasticity of fiberglass is closer to that of the dentin when compared to ceramics or metal.
Modulus of elasticity (in GPa), of different materials used in Dentistry
When using fiberglass posts, if a fracture occurs, the chances of it being catastrophic are minimal.
Comparison of types of root fractures with cast metal posts and Exacto. The fractures with cast metal posts are considered catastrophic (below the threshold line).
Universal
Single preparation for narrow, medium and wide canals
Double taper / Translucent
For better adaptation in conical-shape canals
Parallel shape with undercuts
Excellent retentivity to the canal, ideal for the anatomized post technique
Fiberglass accessory post
Increases the amount of fibers in the cervical region. Complete filling of the canal