Comparison between manual and digital (2D) measurement of Peer Assessment rating (PAR) score index (component 1-6)

Over the years,peer assessment rating index measurement is usually recorded using manual assessment. along with the technology improvements,par index software are being developed to help orthodontists in measuring the par index digitally. the aim of this study is to compare the result of par score index (component 1-6) between the manual and digital measurement. sixty samples that match the inclusion criteria were scanned using hp scanjet g4050 scanner device to obtain 2d digital study models. manual measurements of the par score index (component 1-6) was assessed using par plastic ruler,while the 2d digital study models were measured using par index software. there were no significant differences between the measurement of par score index (component 1-6) in conventional and 2d digital study models (p > 0,05). the measurements on 2d digital study models are as accurate as conventional study models.