“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”. Journal of Osseointegration 11, no. 2 (May 20, 2019): 78–84. Accessed October 9, 2025. https://www.journalofosseointegration.eu/jo/article/view/234.