Bernal, Christian Giancarlo, et al. “Retreatment of 6 Ceramic Restorations In A Single Session - The Application of Er:YAG Laser And CAD CAM Technology: An 1 Year Follow Up Clinical Evaluation”. Brazilian Dental Science, vol. 24, no. 2, Mar. 2021, doi:10.14295/bds.2021.v24i2.2234.