Photodynamic Therapy of oral dysplasia with topical 5‐aminolevulinic acid and light‐emitting diode array

Abstract

ALA-PDT is effective for premalignant lesions such as mucosal dysplasia and carcinoma in situ of oral cavity. Good results could be obtained by using the homemade LED array as light source. The LED array has the advantages of low cost, high reliability, and portability. It is safe, convenient and easy to use for the treatment of oral dysplasia.