@article{202306.0477, doi = {10.20944/preprints202306.0477.v1}, url = {https://doi.org/10.20944/preprints202306.0477.v1}, year = 2023, month = {June}, publisher = {Preprints}, author = {Angela Sada-Urmeneta and Jose-Ignacio Salmeron-Escobar and Carlos Navarro-Cuéllar and Eduardo Olavarria and Gregorio Sanchez-Aniceto and Sonia Herrero-Alvarez and Oscar De la Sen-Corcuera and Anna-Maria Simon-Flores and Fernando Almeida and Iñigo Aragon-Niño and Jose-Luis Del Castillo and Dafne Gascon and Marc Agea and Manuel Tousidonis}, title = {Epidemiological Changes in Orofacial Trauma between the Pre-Covid and COVID Periods: A Spanish Multicentre Comparative Study of Tertiary Referral Hospitals}, journal = {Preprints} }