Root section of dental prosthesis - is pyramidal with triangular cross=section and concave faces

摘要: The tenon (12) which is inserted into a prepared root canal (13) has dental prosthesis fitted to its upper end. It pyramidal overall shape with triangular cross-section. sides of the triangle (i.e. surfaces root) can be planar but are pref. slightly concave. A series openings formed in calcium oxide injected anchor prosthesis. Some may filled antiseptic or moisture absorbing material.