In a patient with Class II division 2 malocclusion, which option is contraindicated?

In a patient with Class II division 2 malocclusion, the use of a cantilever bridge is considered contraindicated primarily due to the biomechanical factors associated with this type of dental restoration. Class II division 2 malocclusion often features retroclined maxillary anterior teeth, which can result in a smaller interarch space and increased occlusal pressure during functional movements such as chewing.

A cantilever bridge relies on a single supporting abutment to support a prosthetic tooth or teeth, creating a lever effect. This design can exacerbate the occlusal forces directed towards the supporting tooth, which is particularly concerning in a patient with Class II division 2 characteristics. The potential for excessive stress can lead to failure of the supporting tooth or even displacement of the bridge.

In contrast, options like the Maryland bridge, fixed partial denture, and removable partial denture offer more stable designs that can accommodate the unique occlusal dynamics present in Class II division 2 cases. These options can distribute forces more evenly across multiple teeth or tissue support, thereby reducing the risk of complications or failures associated with a cantilever design.