Lucio Lo Russo Trueness in intraoral scanning vs conventional impressions of edentulous arches: are we measuring something that doesn’t actually exist? We are measuring the trueness between intraoral scanning (IOS) and conventional impressions of edentulous arches. The problem is that, in this context (edentulous arches), trueness does not exist. Thi... Accuracy studies Clinical validation Comparative studies Apr 19, 2026