Allergic contact gingivostomatitis from a temporary crown made of methacrylates and epoxy diacrylates |
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Authors: | Kanerva L Alanko K Estlander T |
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Affiliation: | Section of Dermatology, Finnish Institute of Occupational Health, Helsinki, Finland. |
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Abstract: | Occupational allergic contact dermatitis caused by (meth)acrylates is common in dental personnel, whereas dental acrylic fillings and crowns have rarely been reported to cause problems in dental patients. Here we report on a 48-year-old woman who developed gingivitis, stomatitis, and perioral dermatitis after a temporary crown made of restorative, two-component material had been inserted. The manufacturer stated that the temporary crown base paste and catalyst contained three (meth)acrylates, namely, a proacrylate, which is a modification of 2,2-bis[4-(2-hydroxy-3-methacryloxypropoxy)phenyl]propane (BIS-GMA); a tricyclate, which is a saturated, aliphatic, tricyclic methacrylate; and urethane methacrylate. The manufacturer refused to give more exact information on the (meth)acrylates. Patch testing revealed that the patient was highly allergic to BIS-GMA, other epoxy diacrylates, and (meth)acrylates, as well as to the base paste and catalyst of the temporary crown. Accordingly, it was concluded that the allergic reaction was caused by BIS-GMA, or a cross-reacting (meth)acrylate, or other (meth)acrylates in the temporary crown. |
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Keywords: | allergic BIS‐GMA cheilitis dental epoxy acrylate epoxy diacrylate epoxy resin gingivitis gingivostomatitis methacrylate stomatitis temporary crown |
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