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Publication of JPS4950790ApublicationCriticalpatent/JPS4950790A/ja
Publication of JPS5710742B2publicationCriticalpatent/JPS5710742B2/ja
A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions