What is a common error during the preparation of a partial coverage restoration regarding the path of placement?

When preparing a partial coverage restoration, proper orientation of the path of placement is crucial for ensuring that the restoration fits well and can be properly seated. Inclining the path toward the buccal can lead to difficulties in seating the restoration, as it may not align appropriately with the anatomy of the prepared tooth and surrounding structures. The buccal path may result in interference with adjacent teeth or the opposing occlusion, thus compromising the fit and retentive qualities of the restoration.

In contrast, a proper path of placement typically involves a more neutral or slightly lingual inclination, facilitating smooth seating of the restoration, reducing the chance of dislodgement, and allowing for adequate marginal integrity. Understanding the nuances of tooth anatomy and positioning during the preparation can significantly impact the success of the final restoration.