FL has received research grants from SomnoMed, Sunstar Suisse, Vivisol-Resmed, Health Holland, and Airway Management, unrelated to this work; is an unsalaried member of the Academic Advisory Board of Sunstar Suisse for GrindCare; and is a past-president of the International Network for Orofacial Pain and Related Disorders Methodology (INfORM) of the International Association for Dental Research. GA has received research grants from SomnoMed, Sunstar Suisse, Vivisol-Resmed, and Health Holland, unrelated to this work. FPK has received research grants from the American Academy of Orofacial Pain and the Scan Design Foundation, unrelated to this work, and is secretary, treasurer, and co-chair of the Early Career Researchers Committee of INfORM. MK is president of INfORM. BH-H is vice-president of INfORM. MT has received research grants from Sunstar Suisse and Health Holland, unrelated to this work. AFD declares no competing interests.