Guarnizo Leiva, L., Japón , L., Condolo, V., Cevallos, S., & Picoita, L. (2023). HE HOW, WHEN AND WHY IS A CROWN LENGTHENING PERFORMED? Killkana Salud Y Bienestar, 7(3), 39-50. https://doi.org/10.26871/killcanasalud.v7i3.1208