Zumba Morales, D. Y., Villafuerte Montero, I. A., Llundo Michilena , S. G., & Granda Macías, L. A. (2024). Detail quality of Upper Labial Frenulum on Alginate Impressions using cheek retractors. Interamerican Journal of Health Sciences, 4, 111. https://doi.org/10.59471/ijhsc2024111