IMPRESSIONS IN REMOVABLE PARTIAL DENTURE

A removable partial denture is an appliance removable by the wearer for the replacement of one or more natural teeth.The removable partial denture may be tooth supported or tooth tissue supported. Their is difference in resiliency between hard and soft tissue support. No single impression material can record the anatomic form of teeth and functional form of the residual ridge simultaneously.The disparity in resiliency had led to the introduction of various impression techniques especially in distal extension removable partial denture were both tooth and tissue support is required.