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Updated: Aug 8, 2026

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A Study of the Complexation of Mercury(II) with Dicysteinyl Tetrapeptides by Electrospray Ionization Mass Spectrometry
Published on: January 8, 2016
[Mercury sensitization in amalgam fillings. Assessment from a dermatologic viewpoint]
Deutsche Medizinische Wochenschrift (1946)
|April 2, 1993
Summary
Amalgam allergy responses vary individually, with few patients showing positive mercury sensitization. The study found no reason to prohibit amalgam fillings, as alternatives may cause different allergies.
Area of Science:
- Allergy and immunology
- Dermatology
- Dental materials science
Context:
- Dental amalgam is a common restorative material.
- Concerns exist regarding potential mercury allergy and oral health effects.
- Epicutaneous testing is a diagnostic tool for contact allergies.
Purpose:
- To investigate the prevalence and clinical significance of mercury sensitization in patients with suspected amalgam allergy.
- To assess oral mucosal reactions and dermatological symptoms in relation to amalgam fillings and mercury sensitization.
Summary:
- Epicutaneous tests on 88 patients revealed mercury sensitization in 7 individuals, with 5 reporting oral symptoms.
- Oral symptoms like burning sensation, ulcers, and gingivitis occurred in both sensitized and non-sensitized patients.
- Perioral dermatitis was observed in sensitized patients, with improvement after amalgam removal in some cases.
- Amalgam replacement led to symptom resolution in some patients but aggravation in others, highlighting individual variability.
- The study indicates non-uniform responses to mercury allergy, with significant individual variations.
Impact:
- Findings suggest that allergic responses to mercury from dental amalgam are not uniform and vary considerably among individuals.
- There is no definitive evidence to warrant advising against or prohibiting the use of amalgam fillings.
- Substitution of amalgam with other dental materials may potentially lead to different types of allergic reactions, necessitating careful consideration.

