Dr Chow on Allergy to grafts in oral implantology

Dr K. F. Chow May 14th, 2009

Theoretically, an individual can be allergic to anything because anything can be an allergen i.e. a substance that is considered by the immune system as a foreign body. Once the immune system identifies a foreign body, it responds basically 4 different possible ways…..4 types of hypersensitivity mediated either by B cells of T cells.

Your patient’s sounds like the 4th type….T cell mediated delayed hypersensitivity……allergic contact dermatitis likely due to your gloves..powder….ointment or something that touched your patient’s face.

Treatment is usually steroids systemic or topical or both. If things are getting better, that means things are getting better and no drastic treatment like removing the grafts etc. is necessary. Just make a note on your patient’s record and avoid the possible causes in the future.

Cheers!

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