[1] S. Sujha, R. Sankaranarayanan, B. Bapat, T. Somanathan, G. Thomas, “Cost-effectiveness of oral cancer screening: Results from a cluster randomized controlled trial in India," Bull. World Health Org. 87, 200–206 (2009).
[2] S. Warnakulasuriya, G. Sutherland, C. Scully, “Tobacco, oral cancer, and treatment of dependence," Oral Oncol. 41, 244–260 (2005).
[3] A. Jemal, F. Bray, M. Melissa, J. Ferlay, E. Ward, D. Forman. “Global cancer statistics," Ca Cancer J. Clin. 32, 69–90 (2011).
[4] R. Singh, S. Singh, P. Chattopadhya, S. Kalpana, S. Vijender, S. K. Kulshrestha, R. S. Tomar, R. Kumar, S. Garima M. Viola, P. Daniel, “Tobacco consumption in relation to causes of death in an urban population of north India," Int. J. Chron. Obstruct. Pulmon. Dis. 2, 177–185 (2007).
[5] A. Leunig, C. Betz, R. Baumgartner, G. Grevers, W. Issing. “Initial experience in the treatment of oral leukoplakia with high-dose vitamin A and follow-up 5-aminolevulinic acid induced protoporphyrin IX fluorescence," Eur. Arch. Otorhinolaryngol. 269, 327–331 (2000).
[6] H. M. Chen, H. Y. Chuan, T. Tsai, Y. C. Hsu, K. R. Cheng, C. P. Chiang, “Topical 5-aminolevulinic acid-mediated photodynamic therapy for oral verrucous hyperplasia, oral leukoplakia and oral erythroleukoplakia," Photodiagnosis Photodyn. Ther. 4, 44–52 (2007).
[7] P. Holmstrup, P. Vedtofte, J. Reibel, K. Stoltze, “Long-term treatment outcome of oral premalignant lesions," Oral Oncol. 42, 461–474 (2006).
[8] F. Aghahosseini, F. Arbabi-Kalati, L. A. Fashtami, G. E. Djavid, M. Fateh, J. M. Beitollahi, “Methylene blue-mediated photodynamic therapy: A possible alternative treatment for oral lichen planus," Laser Surg. Med. 38, 33–38 (2006).
[9] A. Ribeiro, P. Salles, T. Silva, R. Mesquita. “A review of the nonsurgical treatment of oral leukoplakia," Int. J. Dent. 2010, 1–10 (2010).
[10] J. B_anóczy, “Exfoliative cytologic changes in oral leukoplakia," J. Dent. Res. 48, 17–21 (1969).
[11] H. Stich, B. Mathew, R. Sankaranarayanan, M. Krishna, “Remission of precancerous lesions in the oral cavity of tobacco chewers and maintenance of the protective effect of beta-carotene or vitamin A," Am. J. Clin. Nutr. 32, 298–305 (1991).
[12] M. Sahebjamee, F. Kalati, “Management of oral lichen planus," Arch. Iran Med. 32, 252–256 (2000).
[13] J. Sadaksharam, K. P. T. Nayaki, N. P. Selvam, “Treatment of oral lichen planus with methylene blue mediated photodynamic therapy — a clinical study," Photodermatol. Photoimmunol. Photomed. 28, 97–101 (2012).
[14] M. Carrozzo, R. J. Thorpe, “Update on oral lichen planus," Expert. Rev. Dermatol. 4, 483–494 (2009).
[15] C. Scully, M. Beyli, M. C. Ferreiro et al., “Update on oral lichen planus: Etiopathogenesis and management," Crit. Rev. Oral. Biol. Med. 9, 86–122 (1998).
[16] F. Aghahosseini, F. Kalati, L. Fashtami, M. Fateh, G. Djavid, “Treatment of oral lichen planus with photodynamic therapy mediated methylene blue: A case report," Med. Oral. Patol. Oral. Circ. Buccal. 11, 126–129 (2006).
[17] R. Allison, G. Downie, R. Cuenca, “Photosensitizers in clinical PDT," Photodiagnosis Photodyn. Ther. 1, 27–42 (2004).
[18] T. J. Dougherty, C. J. Gomer, B. W. Henderson, G. Jori, D. Kessel, M. Korbelik, J. Moan, Q. Peng, “Photodynamic therapy," J. Natl. Cancer Inst. 90, 889–905 (1998).
[19] K. Konopka, T. Goslinski, “Photodynamic therapy in dentistry," J. Dent. Res. 86, 694–704 (2007).
[20] Z. Luksiene, “Photodynamic therapy: Mechanism of action and ways to improve the e±ciency of treatment," Medicina 39, 1137–1150 (2003).
[21] S. Ganesan, V. Masilamani, S. Natarajan. “Photodynamic activity on human erythrocytes," Curr. Sci. 57, 639–643 (1988).
[22] A. Kubler, T. Haase, M. Rheinwald, “Treatment of oral leukoplakia by topical application of 5-aminolevulinic acid," lnt. J. Oral Maxillofac. Surg. 27, 466–469 (1998).
[23] D. Parmeswaran, S. Madhuri, P. Aruna, P. K. Gupta, S. Ganesan, “In vivo pharmacokinetics of 8-aminolevulinic acid-induced protoporphyrin IX during pre- and post-photodynamic therapy in 7,12-dimethylbenz(a)nthracene-treated skin carcinogenesis in Swiss mice: A comparison by threecompartment model," Photochem. Photobiol. 76, 81–90 (2002).
[24] J. P. Tardivo, A. D. Giglioa, C. S. Oliveirab, D. S. Gabriellib, H. C. Junqueirab, D. B. Tadab, D. Severinob, R. F. Turchiellob, M. S. Baptista, “Methylene blue in photodynamic therapy: From basic mechanisms to clinical applications," Photodiagnosis Photodyn. Ther. 2, 175–191 (2005).
[25] M. A. Gonz_alez-Moles, C. Scully, “Vesiculo-erosive Oral Mucosal Disease — Management with topical corticosteroids: (2) Protocols, monitoring of effects and adverse reactions, and the future," J. Dent. Res. 84, 302–308 (2005).
[26] J. E. Bouquot, P. Suarez, N. Vigneswaran, “Oral precancer and early cancer detection in the dental o±ce – Review of new technologies," J. Imp. Adv. Clin. Dent. 2, 47–63 (2010).
[27] T. J. Dougherty, J. E. Kaufman, A. Goldfarb, K. R. Weishaupt, D. Boyle, A. Mittleman, “Photoradiation therapy for the treatment of malignant tumors," Cancer Res. 38, 2628–2635 (1978).
[28] A. Sierón, M. Adamek, A. Kawczyk-Krupka, S. Mazur, L. Ilewicz, “Photodynamic therapy (PDT) using topically applied _-aminolevulinic acid (ALA) for the treatment of oral leukoplakia," J. Oral Pathol. Med. 32, 330–336 (2003).