Castilho, Anderson Almeida, Alberto Noriyuki Kojima, Sarina Maciel Braga Pereira, Diego Klee de Vasconcellos, Marcos Koiti Itinoche, Renata Faria, and Marco Antonio Bottino. 2007. “ In Vitro Evaluation of the Precision of Working Casts for Implant-Supported Restoration With Multiple Abutments ”. Journal of Applied Oral Science 15 (3): 241-46. https://doi.org/10.1590/S1678-77572007000300016.