What is the superstructure?
A prosthesis that attaches to an implant’s abutments. In the JOI Glossary of Terms, the definition of superstructure also states “or an intermediary casing called a mesostructure.” The following definition for mesostructure was found on the internet: A mesostructure is an intermediate superstructure that is a series of splinted copings, each of which fits over an implant abutment or natural tooth and over which fits the completed prosthodontic appliance. • Some years ago I placed an implanted-supported overdenture for an elderly patient and followed the case for four years before she died. My clinical documentation includes all of the required photographs and radiographs except for a radiograph taken within 12 months of this year’s examination period. Her family has authorized me to use her dental records for the examination. Can I use the case for the required edentulous arch case? Yes, the case can be used provided the candidate has radiographs that document that the overdenture was