Orthodontic elastic harmonizer device for dental-skull- facial apparatus (1, 10, 20, 20', 30, 40, 50, 60) comprising: - at least a couple of vestibular flanges (2) extending up to cover maxilla and mandible teeth and gingival vestibular of the maxilla and mandible teeth； - at least a couple of lingual-palatal flanges (6) extending to cover the palatal and lingual surfaces of the maxilla and mandible teeth and comprising a steep inclined plane (6a) extending from the back incisive plantar edge until lower frontal teeth configured to drive the tongue； - at least an occlusal plane (3, 3', 3'', 3''') to connect said flanges (2, 6)； and - concave and empty volumes (7) defined by said vestibular (2) and lingual-palatal flanges (6) and said occlusal plane (3, 3', 3'', 3''')； characterized in comprising: cross reference protrusions (9) configured on each edge of a back portion of the top lingual-palatal flange (6), in correspondence of the molar position and alignment grooves configured to accommodate alignment removable clamps on a lateral back portion of the upper surface of said occlusal plane (3, 3', 3'', 3''') at the corner among said occlusal plane (3, 3',3'', 3''') and said vestibular flanges (2) and lingual-palatal flanges (6).
