Veneer reduction should ideally:

The ideal approach for veneer reduction is to follow anatomic contours. This method ensures that the natural shape and structure of the tooth are preserved while allowing for sufficient space for the veneer material. Following the anatomic contours means shaping the tooth preparation to closely match its original form, which is critical for achieving a natural appearance and optimal functional performance of the final restoration.

When reduction aligns with the contours of the tooth, it helps in facilitating proper bonding surfaces and can enhance esthetic outcomes. It also minimizes the risk of over-reduction, which can compromise tooth integrity and vitality. This approach allows for a sufficient thickness of the veneer itself, ensuring that it can withstand occlusal forces without fracturing or failing over time.

The other considerations, such as following the cervical axial direction or vertically directed functional forces, while relevant in specific contexts, do not prioritize the maintenance of the tooth's natural anatomy in the way that following its contours does. Thus, establishing a preparation that aligns with the natural contours of the tooth structure is essential for both aesthetics and function in prosthetic dentistry.