Removable partial denture. Animation showing the components and fitting of a removable partial denture (RPD). An RPD is used when a number of teeth are missing and a dental bridge is not possible. It consists of false teeth, acrylic plates to cover the gums and metal clasps to hold the RPD in place. A crown is also fitted over one of the adjacent teeth to allow another fixing for the RPD.HD master is flattened onto a black background, as seen in this preview. The original file has a transparent alpha channel and is available as the HD master of clip K003 3756.