Diana V. Messadi, DDS, PhD

Diana Messadi, DDS, MMSc, DMSc

Professor and Chair, School of Dentistry, Division of Oral Medicine
Member, JCCC Community


English, French, Arabic


Oral Medicine



Geriatric Dentistry, David Geffen School of Medicine at UCLA, 2003


General Dentistry, Faculty of Dentistry, Alexandria University 1979 - 1980


DDS, Faculty of Dentistry, Alexandria University, 1974 - 1979


Oral Pathology and Medicine, Harvard School of Dental Medicine, 1982 - 1985

Contact Information


(310) 206-7399 - Office
(310) 825-8083 - Clinic and referrals

Scientific Interests

Dr. Diana Messadi's clinical research focuses on new imaging diagnostic tools for detection of oral precancerous and cancerous lesions. In addition, she conducts research on oral cancer chemoprevention.

Highlighted Publications

Le A, Messadi D, Epstein J, Wilder-Smith P. Toward multimodality oral cancer diagnosis in the XXI century: Blending cutting edge imaging and genomic/proteomic definition of suspicious lesions. Bioinformation. 2011 Jan 6;5(7):304-6.

Liu Y, Messadi DV, Wu H, Hu S. Oral lichen planus is a unique disease model for studying chronic inflammation and oral cancer. Med Hypotheses. 2010 Dec;75(6):492-4. Epub 2010 Jul 31.

Messadi DV, Wilder-Smith P, Wolinsky L. Improving oral cancer survival: the role of dental providers. J Calif Dent Assoc. 2009 Nov;37(11):789-98.

Wilder-Smith P, Lee K, Guo S, Zhang J, Osann K, Chen Z, Messadi D. In vivo diagnosis of oral dysplasia and malignancy using optical coherence tomography: preliminary studies in 50 patients. Lasers Surg Med. 2009 Jul;41(5):353-7.

Duong HS, Le AD, Zhang Q, Messadi DV. A novel 3-dimensional culture system as an in vitro model for studying oral cancer cell invasion. Int J Exp Pathol. 2005 Dec;86(6):365-74.