Is Topical Photodynamic Therapy with 5-ALA , using Tsai€™s protocol , useful in the healing of oral potentially malignant disorders? A system-atic review of the literature. J Osseointegr [Internet]. 2019 May 20 [cited 2025 Oct. 9];11(2):78-84. Available from: https://www.journalofosseointegration.eu/jo/article/view/234