title: [Angle's orthodontics: a critical review. I. Angle's quest for science, and his classification of malocclusion].
mesh_terms: D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008310:Malocclusion / Q000145:classification* / Q000175:diagnosis / Q000473:pathology; D009970:Orthodontics / Q000266:history