{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,16]],"date-time":"2026-10-16T03:44:41Z","timestamp":1792122281755,"version":"4.4.0"},"reference-count":21,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2026,7,29]],"date-time":"2026-07-29T00:00:00Z","timestamp":1785283200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"},{"start":{"date-parts":[[2026,7,29]],"date-time":"2026-07-29T00:00:00Z","timestamp":1785283200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Contact Dermatitis"],"published-print":{"date-parts":[[2026,11]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Allergic contact dermatitis from hearing aid ear moulds is infrequently reported.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>To identify cases of allergic contact dermatitis from hearing aid moulds in a cohort of patients investigated between 2022 and 2025 at Amsterdam University Medical Center.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods<\/jats:title>\n                    <jats:p>Retrospective analysis of patients referred for investigation of suspected allergic reactions to ear moulds.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Of 20 patients with suspected allergic reactions to ear moulds, 8 (40%) had positive patch tests to (meth)acrylates considered to be probably relevant. All eight reacted to tetrahydrofurfuryl methacrylate, of whom five had a positive reaction to this hapten only. The other three all co\u2010reacted to isobornyl acrylate and 1,6\u2010hexanediol diacrylate. None had positive patch tests to hydroxyethyl methacrylate.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>There are strong indications that tetrahydrofurfuryl methacrylate and isobornyl acrylate are relevant contact allergens present in hearing aid ear moulds. Hydroxyethyl methacrylate did not identify a single case of contact allergy to these materials.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/cod.70228","type":"journal-article","created":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T03:14:46Z","timestamp":1785381286000},"page":"492-497","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Tetrahydrofurfuryl Methacrylate and Isobornyl Acrylate: Possible New Sensitisers in Hearing Aid Ear Moulds"],"prefix":"10.1111","volume":"95","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0679-4131","authenticated-orcid":false,"given":"Norbertus A.","family":"Ipenburg","sequence":"first","affiliation":[{"name":"Dermato\u2010Allergology and Occupational Dermatology Amsterdam University Medical Center  Amsterdam the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6666-7292","authenticated-orcid":false,"given":"Anton C.","family":"de Groot","sequence":"additional","affiliation":[{"name":"Dermato\u2010Allergology and Occupational Dermatology Amsterdam University Medical Center  Amsterdam the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7580-0684","authenticated-orcid":false,"given":"Thomas","family":"Rustemeyer","sequence":"additional","affiliation":[{"name":"Dermato\u2010Allergology and Occupational Dermatology Amsterdam University Medical Center  Amsterdam the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,7,29]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/cod.12532"},{"key":"e_1_2_11_3_1","doi-asserted-by":"publisher","DOI":"10.2310\/6620.2011.11053"},{"key":"e_1_2_11_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600\u20100536.2009.01529.x"},{"key":"e_1_2_11_5_1","doi-asserted-by":"publisher","DOI":"10.2310\/6620.2004.20441"},{"key":"e_1_2_11_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.0105\u20101873.2004.0378d.x"},{"key":"e_1_2_11_7_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600\u20100536.1993.tb03397.x"},{"key":"e_1_2_11_8_1","doi-asserted-by":"publisher","DOI":"10.3109\/01050399309047467"},{"key":"e_1_2_11_9_1","doi-asserted-by":"publisher","DOI":"10.1097\/00003446\u2010199204000\u201000009"},{"key":"e_1_2_11_10_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600\u20100536.1991.tb01865.x"},{"key":"e_1_2_11_11_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600\u20100536.1991.tb01676.x"},{"key":"e_1_2_11_12_1","doi-asserted-by":"publisher","DOI":"10.3109\/03005368709077787"},{"key":"e_1_2_11_13_1","doi-asserted-by":"publisher","DOI":"10.1001\/archderm.114.7.1050"},{"issue":"3","key":"e_1_2_11_14_1","first-page":"51","article-title":"Hearing Aid Dermatitis due to Resorcinol Monobenzoate and Triphenyl Phosphate. 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