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A partial is a dental prosthetic (artificial tooth or teeth) that can be removed from the mouth somewhat like an orthodontic retainer. A bridge, on the other hand, is a dental prosthetic that's permanently anchored inside the mouth. Partials are sometimes referred to as RPDs (removable partial dentures). They're often selected as an inexpensive option over a bridge or dental implant for replacing lost teeth. Most partials work in a similar way: Artificial teeth are placed on a molded base to which metal clasps are added.
Types Of Dentures. Partial dentures replace teeth that are missing, while your other natural teeth remain. There are two types of partial dentures, those that can be removed and those that are permanent. A partial denture is used when one or more of the natural teeth are missing in either the upper or lower set. A removable, partial denture is made up of a plastic base that is colored to match the shade of your gums.