Though this database is primarily dermatology focused, you can find images of oral lesions and tools to develop a differential diagnosis. You can narrow by symptoms, social history, medical history, and onset.
DynaMed Plus is an evidence-based point-of-care tool. You will find assorted images related to oral and dental diseases. Our Medical Librarians recommend searching the name of the disease with images typed afterward (i.e., Oral candidiasis images) in order to receive images in your search results.
Freely Available Images of Dental Disease and Pathology
This website contains thousands of pages of exclusive dental pictures and dental information created by Dr. Jeffrey Dorfman, Director of The Center for Special Dentistry (CSD). You will find images divided into section related to the dental service being performed.
This collection of photos contain both cancers, and non-cancerous diseases of the oral environment which may be mistaken for malignancies. Some contain a brief patient history which may add insight to the actual diagnosis of the disease.