Moreira, Débora Duarte, et al. “Reliability of Measurements on Virtual Models Obtained from Scanning of Impressions and Conventional Plaster Models”. Brazilian Journal of Oral Sciences, vol. 13, no. 4, Dec. 2010, pp. 297-02, https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8640863.