What is the key difference between a one-piece post and a two-piece core restoration?

The key difference between a one-piece post and a two-piece core restoration lies in the technique used for their placement and construction. A one-piece post consists of a single unit that integrates the post and the core into one component. This simplifies the restoration process since it involves fewer steps, leading to a potentially quicker and less complex procedure for the clinician.

On the other hand, a two-piece core restoration separates the post from the core that is built upon it. This approach allows for greater flexibility in terms of material choices and adjustments during the restoration process. For example, the post can be tailored to fit the canal, while a different material can be selected for the core to provide better support for the final crown.

Understanding this distinction in technique is crucial, as it impacts the overall treatment plan, the materials chosen, and the final outcomes for the patient. The material choice, height, and purpose may vary between the two types of restorations, but the fundamental difference in how they are constructed and placed is primarily rooted in the technique.