Photodynamic Therapy As a Promising Method Used in the Treatment of Oral Diseases

discuss the effectiveness of photodynamic therapy in a specific area, the oral cavity. Basics of Photodynamic TherapyPhotodynamic therapy is a new treatment protocol used in the management of various diseases.Classic PDT is a sequence of specific steps [3]:-systematic or topical administration of a photosensitizer (PS) to the patient, -selective retention of the PS in the target tissues, -irradiation with light, -the photochemical reaction and selective destruction of damaged tissues.The photosensitizer is a principal component of PDT.This chemical substance or its inactive precursor may be administered locally or systemically.It is sensitive to light of a specific wave-