What could be a potential issue if the proximal undercuts are not adequately managed?

When proximal undercuts are not adequately managed in the context of a removable partial denture (RPD), there can be significant implications for the esthetics of the denture. Specifically, inadequate management may lead to the development of spaces between the natural teeth and the denture, commonly referred to as black triangles. These triangular gaps can compromise the aesthetic appearance of a patient’s smile, which is particularly concerning for those seeking RPDs for cosmetic reasons.

In terms of design, RPD frameworks are often constructed to ensure a smooth transition between natural teeth and the denture base. If proximal undercuts are not properly handled, it can hinder the retention and stability of the denture, potentially leading to unintentional movement and poor fit. Consequently, this can contribute to discomfort for the patient, challenging their acceptance and usage of the denture.

The other options, while they may represent valid complications of improper RPD design or fit, do not directly relate to the specific consequences of not managing proximal undercuts as it pertains to aesthetics. Focused management of these undercuts is crucial to ensure both the functional and aesthetic success of an RPD.