What is the maximum amount of anterior teeth that can be replaced between a pier abutment and a terminal abutment when restoring with fixed prosthesis?

The correct answer reflects the principles established in prosthodontics regarding the replacement of anterior teeth with fixed prostheses. When considering the support provided by abutment teeth, the maximum number of anterior teeth that can typically be replaced between a pier abutment (a non-terminal tooth that provides additional support) and a terminal abutment (the end tooth in a restoration) is four. This is based on structural integrity, esthetics, and function.

When restoring with a fixed prosthesis, the goal is to ensure that the restoration can endure functional forces without compromising the health of the supporting teeth and the surrounding tissues. The ability to replace four anterior teeth is supported by adequate bone structure, gingival health, and the spatial relationship between the pier and terminal abutments that can withstand occlusal forces.

This consideration is crucial for maintaining stability and function, particularly in the anterior region where aesthetic concerns are paramount. Therefore, being able to restore up to four teeth in this configuration provides adequate support while allowing for optimal function and esthetics when designing a fixed denture.