Journal
CONTACT DERMATITIS
Volume -, Issue -, Pages -Publisher
WILEY
DOI: 10.1111/cod.14440
Keywords
(meth)acrylates; allergic contact dermatitis; clinical relevance; contact allergy; dental patients; dental series; European baseline series; fragrances; metals; oral complaints
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This study investigates the frequency and clinical relevance of contact allergy in dental patients through patch testing. Results show that clinically relevant patch test reactions were frequently seen in dental patients. However, further studies are needed to confirm these findings.
Background: While many studies have reported on occupational allergic contact dermatitis amongst dental personnel, studies on the relevance of patch testing in dental patients are scarce.Objectives: To determine the frequency and clinical relevance of contact allergy in patients with intra- and perioral complaints.Methods: A total of 360 patients with intra- and perioral complaints suspected of having a contact allergy were patch-tested with the dental allergen series, European Baseline Series, and extended Amsterdam Baseline Series at Amsterdam University Medical Centers between January 2015 and November 2021.Results: A total of 285 patients (79.2%) had a positive patch test reaction for either one (18.6%) or multiple allergens (60.6%). Sodium tetrachloropalladate was the most sensitising allergen with 98 patients (27.2%) testing positive, followed by nickel sulphate (23.3%), methylisothiazolinone (15.6%), and fragrance mix I (14.2%). Clinical relevance was found in 68 of 208 patients (32.7%), with patients having one (15.4%) or multiple (17.3%) patch test reactions clinically relevant to their (peri)oral complaints.Conclusions: Clinically relevant patch test reactions were frequently seen in dental patients. Although this study provides us with a better understanding on the frequency and clinical relevance of contact allergy in dental patients, further studies are needed to confirm our results.
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