Yáñez Ocampo, Beatriz Raquel, and Ana Patricia Vargas Casillas. 2022. “Classification of Periodontal and Peri-Implant Diseases and Conditions 2018. Second Part”. Revista Odontológica Mexicana 25 (4). https://doi.org/10.22201/fo.1870199xp.2021.25.4.84056.