title: [Practical applications of mechanical studies on headgear fixed on upper molars].
mesh_terms: D005115:Extraoral Traction Appliances; D006801:Humans; D008963:Molar; D009968:Orthodontic Appliances, Removable; D009971:Orthodontics, Corrective / Q000379:methods
vernacular_title: Application pratique des études mécaniques concernant les headgears fixés sur les molaires supérieures (1).