title: Simple reactivation of a Haas expansion screw.
authors.affiliation: Department of Orthodontics, Brazilian Society of Dental Surgeons, Menino Deus Porto Alegre, Rio Grande do Sul, Brazil.
authors.forename: Ernani
authors.initials: E
authors.lastname: Menezes Marchioro
authors.forename: Stefan
authors.initials: S
authors.lastname: Cardon
authors.forename: Gabriel
authors.initials: G
authors.lastname: Schmidt
mesh_terms: D002648:Child; D005260:Female; D006801:Humans; D010155:Palatal Expansion Technique / Q000295:instrumentation*