Resin-based cements are frequently used for cementing indirect restorations, especially when the restorations are made of all-ceramic material. The cement has many important roles, e.g. prevent loosening of the restoration and provide optical matching with tooth substance or mask discoloration. Pre-treatment of tooth substance and restoration, cement composition and strength, mixing and application method, depth […]

Mandibular advancement devices (MADs) are used in the treatment of obstructive sleep apnea. A patient (woman in the 60-ies) was treated with a MAD (SomnoDent Fusion Flex; SomnoMed AG). She experienced reactions in form a burning sensation in the mouth, ulcers on the tongue and gingiva, and swelling of the tongue. Allergy test (patch test) with Dental Screening Series showed a strong positive reaction to methyl methacrylate, and clear reactions to ethylene glycol dimethacrylate (EGDMA) and 2-hydroxyethyl methacrylate (HEMA).