Noninvasive Trial Restorations: A technique to Improve Diagnostic Mock-up Fabrication and Direct Provisionalization
ByJoão Malta Barbosa, DDS, MSc
Gonçalo Bártolo Caramês, DDS, MSc
Ronaldo Hirata, DDS, MSc, PhD
João Caramês, DDS, PhD
A. Alper Comut, DMD, DMSc
The noninvasive trial restoration (NTR) serves as a diagnostic and communication tool that allows 3D information to be transferred from the diagnostic wax-up to the patient's mouth. If esthetic alterations are required or requested by the patient, the silicone index can be poured and the alterations produced over a new model, saving the original diagnostic wax-up design. Together with clinical photographic documentation, pouring the NTR index improves patient-clinician-laboratory communication, because a 3D record representing the evolution of the esthetic design is saved and can be revisited at any time during the treatment.
The incorporation of noninvasive trial restorations is a desirable step for elective restorative treatments. Achieving a high level of accuracy and precision should be a goal of all the steps, including those involved in fabrication of the NTRs themselves, as they will provide information when decisions are made regarding possible invasive adjunctive treatments.