3Bogdan S, Nemeth Z. The characteristics of oral lichen planus[J]. FogorvSz, 2012, 105(1): 35-42.
4Radfar L, Wild R C, Suresh L. A comparative treatment study of topical tacrolimus and clobetasol in oral lichen planus [J]. Oral Surg Oral Med Oral Pathol Oral Radiol Endod, 2008, 105(2): 187-193.
5Jajarm H H, FalakiF, SanatkhaniM, et al. A compara- tive study of toluidine blue-mediated photodynamic therapy versus topical corticosteroids in the treatment of erosive-at- rophic oral lichen planus: a randomized clinical controlled trial[J]. LasersMed Sci, 2015, 30(5): 1475-1480.
6Aghahosseini F, Arbabi-Kalati F, Fashtami L A, et al. Treatment of oral lichen planus with photodynamic therapy mediated methylene blue: a case report[J]. Med Oral Patol OralCir Bucal, 2006, 11(2): E126-E129.
7Agha-Hosseini F, Moslemi E, Mirzaii-Dizgah I. Com- parative evaluation of low-level laser and CO (2) laser in treatment of patients with oral lichen planus[J]. Int J Oral MaxillofacSurg, 2012, 41(10): 1265-1269.
8van der Hem P S, Egges M, van der Wal J E, et al. CO2 laser evaporation of oral lichen planus[J]. Int J Oral Maxillo- facSurg, 2008, 37(7): 630-633.
9Davari P, Hsiao H H, Fazel N. Mucosal lichen planus: an evidence-based treatment update [J]. Am J Clin Dermatol,2014, 15(3):181-195.
10Petruzzi M, Lucchese A, Lajolo C, et al. Topical retinoids in oral lichen planus treatment., an overview[J]. Dermatolo- gy, 2013, 226(1): 61-67.
