Smile GalleryTeeth Restorations without ImplantsBack Bridge Teeth Top (occlusal) view of lower jaw with 2-unit cantilever bridge in place. Side view of Stone Model with crown preparation on tooth #30 (abutment tooth) to replace missing tooth #29 (pontic). Stone Model with 2-unit cantilever bridge in place. A cantilever is when one tooth is extended from only one tooth (single abutment tooth) without a second tooth involved. It is a conservative approach to tooth replacement where only one other tooth is prepared for a crown instead of two. The tooth being used to support the cantilever must be strong. Top view of Stone Model with crown preparation on tooth #30 (abutment tooth) to replace missing tooth #29 (pontic). Stone Model with 2-unit cantilever bridge in place. Note the beautiful anatomy of the crowns. Dental crowns SHOULD look like natural teeth. Lateral view of lower right quadrant, crown preparation of tooth #30, missing tooth #29. Lateral view of 2-unit cantilever bridge in mouth. Top (occlusal) view of lower jaw with 2-unit cantilever bridge in place.