DOI: 10.11607/ijp.3455, PubMed ID (PMID): 25588169Pages 30-32, Language: EnglishQuaas, Sebastian / Loos, René / Rudolph, Heike / Luthardt, Ralph G.This study aimed to evaluate the correspondence of intraoral digitization (ID) with extraoral digitization (ED) after impression taking. One-stage putty-andwash impressions and ID were carried out in a randomized order for 10 subjects. The impressions were used to make casts, which were then subjected to ED. ID datasets were aligned to create computer-aided design reference models. Deviations between ID and ED were calculated. The mean positive and negative deviations were 37.7 and -48.4 μm, respectively, for one quadrant. The results showed that the ID system is well suited for the acquisition of single-tooth restorations and is of limited suitability for the acquisition of small multipleunit restorations.
