Diana Messadi, D.D.S., M.M.Sc., DMSc
Associate Dean of Academic Affairs
(310) 206-7399
(310) 825-0921
UCLA School of Dentistry
10833 Le Conte Ave.
Box 951668
Los Angeles, CA 90095-1668
Office:  63-019 CHS


Diana Messadi, D.D.S., M.M.Sc., D.M.Sc. is a professor in the Section of Oral Medicine in the Division of Oral Biology & Medicine at the UCLA School of Dentistry. She also serves as the Associate Dean for Academic Affairs.

Dr. Messadi received her Bachelor of Dental Surgery (B.D.S., D.D.S), in 1979 from the Faculty of Dentistry, Alexandria University, Egypt. From 1979-1980 she was a Dental Intern in Alexandria University Faculty of Dentistry. In 1980, she was appointed as a Lecturer in the Oral Pathology Department at Alexandria University Faculty of Dentistry. In 1982 she traveled to the USA to pursue her postdoctoral training; she obtained a Master of Medical Sciences, (MMSc) (1985) from Harvard School of Dental Medicine, a Certificate in Oral Pathology and Oral Medicine (1985) from Harvard School of Dental Medicine. And a Doctorate of Medical Sciences in Oral Biology, (DMSc) in 1987, also from Harvard School of Dental Medicine. Her Doctorate thesis won the HSDM James Shaw Award for the most outstanding thesis in the biomedical sciences submitted that year. From 1987-1990, she went back to Egypt and was appointed as an Assistant Professor of Oral Pathology at the Faculty of Dentistry, Alexandria University. In 1990 she came back to the USA with her husband and she started working at UCLA School of Dentistry. She is currently Professor and Chair, Section of Oral Medicine and Orofacial Pain in the Division of Oral Biology and Medicine, she is also the Co-Director of the Student Oral Medicine Clinic and Co-Director of the Oral Medicine Faculty Group Practice. From 2009-2010 she participated in the Executive Leadership in Academic Medicine (ELAM) Fellowship. She is currently also the Dental Program Director for a HRSA sponsored Geriatric Dentistry Fellowship.

Dr. Messadi’s clinical interest include oral diagnosis, oral medicine, and oral oncology. She is the co-director of the predoctoral Oral Medicine Clinic and also co-director of the UCLA Oral Medicine Faculty Group practice. Oral medicine involves the diagnosis and management of patients with a wide variety of diseases such oral cancer, autoimmune diseases, viral and fungal infections, oral manifestations of HIV infections, and oral post-radiation complications such as xerostomia and mucositis. She is also an attending in the Immuno-Bollous Clinic in Dermatology.

Educational & Professional Background

  • B.D.S., D.D.S. (with distinction), Alexandria University, 1979

  • M.M.Sc., Harvard University (Oral Biology), 1985

  • Certificate, Harvard University (Oral Pathology Residency), 1985

  • D.M.Sc., Harvard University (Oral Biology), 1987

  • Certificate, UCLA, Division of Geriatrics and Gerontology, 2003

Research & Interests

Dr. Messadi has written over 50 research articles, review papers, and chapters in textbooks and 70 abstracts. She is also the recipient of several NIH grants and private Foundations grants to study the effect of growth factors in wound healing, role of apoptosis in keloid formation, new diagnostic tools for detection of malignant oral lesions and clinical trials on oral cancer and chemoprevention, and recently she is the PI of an education grant from NIDCR. She also mentors several undergraduate, predental and postdental students for their research projectsAwards.

Professional Memberships

  • Serves on MILA, FEC Committees and the Student Awards Committee, campus wide Academic Senate, Council on Research (COR) committee, reviewer for School of Dentistry faculty and student intramural grants.

  • Referee for a number of science journals including Journal of Dental Research (JDR), J National Medical Association, Triple O, CDA and International J of Cancer, Carcinogenesis, J of Investigative Dermatology.

  • Fellow of the Salzburg Seminar Session # 266 “Aids Confronting an Epidemic”.

  • Fellow of the ELAM Fellowship.

  • Memberships in the American Academy of Oral Medicine, the Western, California and American Dental Associations, the International and American Associations of Dental Research, the American Academy of Oral & Maxillofacial Pathology, International Association of Oral Pathology, Southern California Academy of Oral Pathology and Johnsson Comprehensive Cancer Center.

Representative Publications

  • Haison S. Duong , Qunzhou Zhang , Anh D. Le, A. Paul Kelly, Rashid Kamdar, Diana V.  Messadi. Elevated Prolidase Activity  in Keloids: Correlation with increased collagen turn-over. Br J Dermatol. 154, pp820–828,  2006

  • Diana V. Messadi, Ahn Le, Ginat W. Mirowski, Heddie Sedano.  Section 3 Chapter 54: Biology and Pathology of the Oral Mucosa. In: Dermatology For Skin Of Color. Taylor and Kelly eds. McGraw-Hill, 1st edition, 2009

  • Diana V. Messadi, Petra Wilder-Smith and Laurence Wolinsky. Improving Oral Cancer Survival: the Role of Dental Providers. CDA J # 37 November: 789-798, 2009

  • Gironda, M; Bibb, C; Lefever K; Law, C and Messadi DV. A Program to Recruit and Mentor Future Academic Dentists: Successes and Challenges. J American Dental Educ.  77 (3): 292-299,  2013

  • William B. Armstrong, Thomas H. Taylor, Ann R. Kennedy, Raymond J. Melrose, Diana V. Messadi, Mai Gu, Anh D. Le, Marjorie Perloff, Francisco Civantos,W. Jarrard Goodwin, Lori J. Wirth, Frank L. Meyskens Jr.   Bowman Birk Inhibitor Concentrate and Oral Leukoplakia:  A Randomized Phase IIb Trial. Cancer Prevention Res; 1–9, 2013

Additional Information

Courses Taught:
  • Co-Chair: Foundation Course (DS 100)

  • Chair Oral Diseases 1 (OSD 201)

  • Instructor: OSD 103 (System I) ; OSD 202 (Oral Diseases 2)

  • Co-Chair DS 300.4 Postgraduate Seminars in Oral Pathology

  • Instructor: CL 403.5 Oral Diagnosis Clinic

  • Co-Chair: CL 404.5 Oral Medicine Clinic