FERUFLEX® has been granted a patent in Spain after long periods of clinical experience performed by inventor Jorge Oyanedel Neira and Master in Nutrition. Jorge, in his research dating from 1974 showed a relationship stress-bruxism and finally in 2009 was granted the Feruflex Patent. A pilot study by the Faculty of Odontology of The University of Granada, Spain has acknowledged the better reults of Feruflex over splints made of hard material in the relief of Bruxism symptoms.
