title: New concept in treatment of ectopically erupting maxillary first permanent molars.
mesh_terms: D000202:Activator Appliances; D002648:Child; D006801:Humans; D008297:Male; D008963:Molar; D009967:Orthodontic Appliances; D014079:Tooth Eruption, Ectopic / Q000628:therapy*; D014087:Tooth Movement Techniques; D014095:Tooth, Impacted / Q000628:therapy*