Association of the canine guidance angle with maxillary and mandibular intercanine widths and anterior alignment relapse: Extraction vs nonextraction treatment.
作者单位：hys.keio.ac.jp[1]Department of Orthodontics, Universitatsklinik fur Zahn-, Mund- und Kieferheilkunde, Medical University Innsbruck, Austria. Dr.Heiser@aon.at publication of the American Association of Orthodontists, its constituent societies, and the American Board o[2]
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