debonding during use over time. Additionally, they are more likely to fracture due to their brittle nature. Endodontic posts Ceramic can be used in the construction of non-metallic posts, however, it is a brittle material and as such may fracture within the root canal or may cause fracture of the root due to its increased strength. Another disadvantage is that once placed, removal may not be possible. References Dental materials Porcelain