title: [The effects on the maxillary complex induced by the Quad Helix appliance. Measurement by strain gauges].
mesh_terms: D000202:Activator Appliances; D000539:Alveolar Process / Q000502:physiology; D000818:Animals; D003393:Cranial Sutures / Q000502:physiology; D008251:Macaca; D008437:Maxilla / Q000502:physiology; D009968:Orthodontic Appliances, Removable; D010155:Palatal Expansion Technique / Q000295:instrumentation*; D010159:Palate / Q000502:physiology*; D013314:Stress, Mechanical; D013718:Tensile Strength