A traditional preparation requires a much more aggressive tooth reduction — similar to the type of preparation required for porcelain veneers. This technique may be used to reduce a single tooth that is misaligned slightly facially in relation to neighboring teeth. A semi-traditional preparation may also be necessary in order to remove tooth decay or enamel defects, when present.
Some drawbacks to this preparation technique include: increased postoperative tooth sensitivity, reduced bond strength when the veneer must be cemented to dentin, and the patient must be anesthetized in order to perform tooth reduction that involves dentin or more than the superficial outer layer of enamel.
While our dental lab can handle whichever method you are set up for, digital impressions allow us to create a better final product for your patients.
Impression-Free Digital Scans
The preferred method is impression-free chairside scans for use in a completely digital workflow. The veneer preparation, hard tissue, and surrounding soft tissues are scanned at chairside and transferred to the dental lab digitally.
Hybrid Scans and Impressions
Hybrid technology utilizes scannable impression materials and impression trays. Impressions and a bite registration are individually scanned into STL files, then images are created and used to “print” 3D models in the dental lab.
Traditional Polyvinyl Siloxane impressions and bite registrations have been used for many years. Errors may be introduced at every step of the process, which can create the potential for a less-than-perfect fit of the finished veneers.