How far should vertical components of RPD be apart?

The recommended distance between vertical components of a removable partial denture (RPD) is generally around 5 mm. This spacing is crucial for ensuring that the components function effectively without causing interference during the placement or removal of the RPD. Adequate spacing also helps maintain comfort for the patient and allows for proper oral hygiene practices.

When components are placed too close together, it can lead to difficulties in handling the prosthesis, which may increase the risk of damaging the RPD or causing discomfort to the patient. Furthermore, proper spacing contributes to the overall aesthetics and stability of the denture. Thus, the correct distance of 5 mm ensures that the functional and structural integrity of the RPD is preserved while accommodating the anatomical features of the patient's mouth.