Defining available restorative space for implant overdentures.

It is important to diagnostically evaluate available restorative space prior to implant placement. Failure to accurately assess restorative space may result in esthetically and structurally compromised prostheses and patient dissatisfaction. This article describes various techniques for evaluating restorative space in edentulous patients. Information gained will help dentists during treatment planning, attachment selection, and prosthesis design prior to surgical implant placement.