It would be fantastic if those doing research could update the wiki with the titles of and links to these studies, that way we have them all in one place. Simply go to the wiki and click Join in the upper right-hand corner.
I've arranged the relevant studies thus far in reverse chronological order, newest to oldest (visit the wiki for the links, they didn't work cutting and pasting here):
Exclusive plaque Psoriasis
of the lips: efficacy of combination therapy of topical tacrolimus, calcipotriol, and betamethasone dipropionate. (abstract)
Sehgal VN, Sehgal S, Verma P, Singh N, Rasool F. Skinmed. 2012 May-Jun; 10(3):183-4.
of the lips: an uncommon presentation of a common dermatologic condition. (PDF containing both articles)
Blankinship MJ, Tejasvi T, Ellis CN. Skinmed. 2012 May-Jun;10(3):130-2.
Department of Dermatology, University of Michigan Medical School, Ann Arbor, Michigan, USA.
Dermatologist summarizes most relevant medical findings.Dr. Delwyn Dyall-Smith, March 2011
Exfoliative cheilitis associated with titanium dental implants and mercury amalgam.
Pigatto PD, Berti E, Spadari F, Bombeccari GP, Guzzi G. J Dermatol Case Rep. 2011 December 12; 5(4): 89–90.
Department of Technology for Health, Dermatological Clinic, IRCCS Galeazzi Hospital, University of Milan, Milan, Italy.
Topical Calendula officinalis L. successfully treated exfoliative cheilitis: a case report
Lúcia Helena Denardi Roveroni-Favaretto, Karina Bortolin Lodi and Janete Dias Almeida Department of Biosciences and Oral Diagnosis, São Paulo State University - UNESP, São José dos Campos, São Paulo, Brazil
Oral side effects of isotretinoin chronic intake. (abstract)
Rodrigues MT, Albuquerque DF, Capelozza AL, Faria FA, Santos CF. N Y State Dent J. 2008 Jun-Jul;74(4):36-9. Bauru School of Dentistry, University of São Paulo, Brazil.
Case Report of Factitious (self-induced) Cheilitis
Erdinc Aydin, Ozgur Gokoglu, Gamze Ozcurumez, and Hakan Aydin. J Med Case Reports. 2008; 2: 29.
University of Bashkent, Ankara, Turkey
Exfoliative Cheilitis: Report of a Case
Shani Ann Mani, BDS, MDS, MFDS RCPS; Ban Tawfeek Shareef, BDS, MSc. Journal of the Canadian Dental Association 2007 Sept, Vol. 73, no. 7.
The Diagnosis And Treatment Of Cheilitis (abstract)
Dr. Serap ÖZTÜRKCAN, Dr. Dilek BAYRAKTAR, Year: 2006 Volume: 16 No:4 Dermatoloji AD, Celal Bayar Üniversitesi Tıp Fakültesi, MANİSA
of the lips: a rare entity. S Ersoy-Evans, L Nuralina, G Erkin, O Ozkaya. Journal of the European Academy of Dermatology and Venereology
Volume 21, Issue 1, pages 142–143, January 2007
Case report: exfoliative cheilitis managed with antidepressant medication. (abstract)
Leyland L, Field EA. Dent Update. 2004 Nov;31(9):524-6.
Exfoliative cheilitis successfully treated with topical tacrolimus
M. Connolly, C. Kennedy (2004)
British Journal of Dermatology 151 (1), 241–242.
Correlation between Hyperkeratosis and exposure to herbicides (abstract)
Chemikosova TS, Kamalova OA, Ibragimova ZN. Stomatologiia (Mosk). 2004;83(1):14-8.
Exfoliative Cheilitis: A Case Report and Review of the Literature (abstract)
S. Taniguchia, T. Konob. Department of Dermatology, Osaka City University Medical School, Osaka, Japan
Dermatology 1998;196:253-255 (DOI: 10.1159/000017886)
Exfoliative cheilitis (EC) in AIDS: association with Candida infection
P. A. Reichart, D. Weigel, A. Schmidt-Westhause, H.D. Pohler
Humboldt-Universität zu Berlin, Berlin, Germany
Journal of Oral Pathology & Medicine 1997, 26(6):290-293
Diseases of the lips. (abstract)
Rogers RS, Bekic M. Sem Cutan Med Surg 1997; 16(4): 328–336.
Mayo Clinic and Mayo Foundation, Rochester, MN 55905, USA.
Topical vitamin A in exfoliative cheilitis.
Betkerur J. Indian J Dermatol Venereol Leprol. 1996 Jul-Aug;62(4):268-9. Mysore, India.
Exfoliative cheilitis. (abstract)
Daley TD, Gupta AK. Department of Pathology, University of Western Ontario, London, Canada.
J Oral Pathol Med. 1995 Apr;24(4):177-9.
Shenoi SD, Srinivas CR, Balachandran C; Sandhya. Indian J Dermatol Venereol Leprol. 1995 Mar-Apr;61(2):132. Manipal, India.
The clinical and cytological characteristics of the oral mucosa in Sjögren's disease and chronic parotitis. (abstract)
Pozharitskaia MM, Makarova OV, Malomud ZP, Kats AG. Stomatologiia (Mosk). 1991 Sep-Oct;(5):36-8.
A case of exfoliative cheilitis.
Postlethwaite KR, Hendricks NM. Br Dent J 1988; 165(1): 23
Exfoliative cheilitis – a factitiousdisorder?
Read PC, Sim R. Int. J Oral Maxillofac Surg 1986; 15: 313–317.
Clinical observation on the treatment of exfoliative cheilitis with traditional Chinese medicine. Lu YT.
J Tradit Chin Med. 1984 Dec;4(4):309-11.
Clinical manifestations and diagnosis of cheilitis.
Mashkilleĭson AL, Kutin SA, Zalkiev RI. Vestn Dermatol Venerol. 1983 Apr;(4):4-7.
Cheilitis caused by photosensitization. (abstract)
Padilla HC. Med Cutan Ibero Lat Am. 1975;3(2):93-102.
Tyldesley WR. Br J Oral Surg 1973; 10: 357–359.
Pathogenesis, clinical picture and morphology of exfoliative cheilitis.
Pashkov BM, Kutin SA. Stomatologiia (Mosk). 1973 Jul-Aug;52(4):11-3.
Chronic Inflammation and Desquamation of the Lips
J. M. H. MacLeod. Proc R Soc Med. 1908; 1(Dermatol Sect): 4–6.
A Treatise on diseases of the skin for advanced students and practitioners.
Stelwagon, Henry Weightman. W. B. Saunders and Company. 1902
A Report of Two Cases of Persistent Exfoliation of the Lips." Stelwagon, Henry Weightman. Jour. Culan. Dis., June, 1900.
Dermatological Society of London (abstract). Galloway, James. 1895. British Journal of Dermatology, Vol. 7(4): 113.