title: Screw implant anchorage.
authors.forename: John W
authors.initials: JW
authors.lastname: Graham
mesh_terms: D001863:Bone Screws; D004867:Equipment Design; D004868:Equipment Failure; D007839:Functional Laterality; D006801:Humans; D052280:Orthodontic Anchorage Procedures / Q000295:instrumentation*