title: [Mesial shifting of the permanent 2d molars in Ricketts technic].
mesh_terms: D000293:Adolescent; D001696:Biomechanical Phenomena; D002648:Child; D003766:Dental Occlusion; D005260:Female; D006801:Humans; D008297:Male; D008963:Molar; D009967:Orthodontic Appliances; D014081:Tooth Extraction; D014087:Tooth Movement Techniques / Q000379:methods*
vernacular_title: La mesializzazione dei secondi molari permanenti in tecnica di Ricketts.