title: Correcting ectopic first permanent molars with metal or elastic separators.
authors.affiliation: Department of Pediatric Dentistry, Tufts University School of Dental Medicine, Boston, MA 02111.
authors.forename: K
authors.initials: K
authors.lastname: Hirayama
authors.forename: M H
authors.initials: MH
authors.lastname: Chow
mesh_terms: D002648:Child; D006801:Humans; D008963:Molar / Q000503:physiopathology*; D009967:Orthodontic Appliances; D014079:Tooth Eruption, Ectopic / Q000628:therapy*; D014087:Tooth Movement Techniques / Q000379:methods*