Case 1: Local reaction in buccal mucosa adjacent to an amalgam filling. The reaction cleared about 1 month after replacement with glassionomer cement. Photo: N. R. Gjerdet, University of Bergen, Norway. (Picture case 1)
Case 2: Patient who
developed perioral dermatititis following insertion of
gold inlays. The patient was found to be allergic to gold
salts by patch testing. Reactions resolved after
replacement with titanium and ceramic restorations.
Photo: N. R. Gjerdet, Norwegian Adverse Reaction Unit. (Picture case 2)
(Ref: Vamnes JS & al. Dental gold alloys and contact hypersensitivity. Contact Dermatitis 2000:42;128-33)
Case 3: Dentist (age 65) with fingertip reactions. Secondary ulcerations (irritative). Patch testing revealed positive reactions to a range of acrylates. Photo: R. Haakonsen, University of Bergen, Norway (Picture case 3)
Case 4: Patch testing using a dental series with 34 substances. (Picture case 4)
Case 5: Ulcers at tongue corresponding to the location of soldered parts of an orthodontic retainer. Photo: Dept. of Orthodontics and Dentofacial Ortopedics, University of Bergen, Norway. (Picture case 5)
Updated February 08, 2001 by Nils R. Gjerdet