Tough-hard thermoforming plate, copolyester (PETG), turquoise-transparent, with insulating foil for the fabrication of occlusal splints, moulded pieces, copings, bruxism splints, Michigan splints, stabilization splints, temporary appliances, Silensor-sl, dressing plates, drilling, planning and X-ray templates, protection splints, correction splints, aligner and retainer.