INBDE (Integrated National Board Dental Examination) Practice Exam

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What does an occlusal rest provide?

Support
Stability
Retention
Flexibility

The correct answer is: Support

An occlusal rest is a component used in dentistry to provide support for a removable dental prosthesis, such as a denture or partial denture. It is typically placed on a natural tooth or implant and helps to distribute the load of the prosthesis evenly, thereby providing support for the denture. This support is essential for maintaining proper occlusion and preventing trauma to the underlying tissues. Although stability and retention are also important factors in the success of a prosthesis, they are not the primary function of an occlusal rest. Flexibility is also not a function of an occlusal rest, as it is designed to be rigid and provide support.