Which factor does NOT contribute to denture stability?

The factor that does not contribute to denture stability is the color of the denture. The stability of a denture primarily relies on various functional and anatomical factors that influence how well the denture fits and adheres to the oral structures.

The occlusal plane position affects how the upper and lower dentures interact and can influence chewing efficiency and overall dental function. Proper alignment ensures that forces during biting and chewing are distributed evenly, which is critical for maintaining stability.

The compatibility of materials plays a significant role as well. Materials that are well-suited for the oral environment can enhance fitting and reduce irritation or movement of the denture, which contributes to stability.

Bone density is another vital factor because it provides the necessary support for the denture. Adequate bone density ensures that the denture has a proper seat on the underlying bone and can help prevent movement.

In contrast, the color of the denture is primarily an aesthetic feature. While the appearance of the denture is important for patient satisfaction and esthetics, it does not influence the mechanical or physical stability of the denture in the mouth.