Teeth with nonvital pulps or pulpless teeth demand special restorative attention. Post and core fabrication for these teeth can be handled in many ways. This article has described some of the prefabricated post systems currently available. The relative advantages and disadvantages have been compard. Prefabricated post systems in many instances can simplify and expedite restorative dentistry. Which system is best? The answer varies according to the restorative situation and the skills and preference of the dentist. A post and core should not jeopardize the remaining tooth structure, and the particular system mus be manageable.
