title: Distalization of maxillary molars with the bone-supported pendulum: a clinical study.
abstract: A modified pendulum appliance with 2 endosseus screws for anchorage in the palatal area was used for maxillary molar distalization in each of 15 patients (average age, 13 +/- 2.1 years). Study models and lateral and panoramic x-rays were taken at the beginning and end of the movement to record the dental and skeletal changes. The mean treatment time was 7.8 +/- 1.7 months, the average distal movement of the maxillary molars was 6 mm, and the inclination was 11.3 degrees +/- 6.2 degrees. The second premolars were distalized an average of 4.85 +/- 1.96 mm with inclinations of 8.6 degrees +/- 5 degrees. The maxillary anterior teeth were retruded 0.5 +/- 1.33 mm and palatally inclined 2.5 degrees +/- 2.98 degrees. The mandibular plane rotated posteriorly 1.27 degrees +/- 1.1 degrees. No loss of dental anchorage was observed during the distal movement.
authors.affiliation: Institute of Health Sciences, Centro de Especialistas en Salud, Medellin, Antioquia, Colombia.
authors.forename: Sergio Andres
authors.initials: SA
authors.lastname: Escobar
authors.forename: Paola Andrea
authors.initials: PA
authors.lastname: Tellez
authors.forename: Cesar Augusto
authors.initials: CA
authors.lastname: Moncada
authors.forename: Carlos Alberto
authors.initials: CA
authors.lastname: Villegas
authors.forename: Carlos Mario
authors.initials: CM
authors.lastname: Latorre
authors.forename: Giovanni
authors.initials: G
authors.lastname: Oberti
mesh_terms: D000293:Adolescent; D001863:Bone Screws; D002508:Cephalometry; D005260:Female; D006801:Humans; D008297:Male; D008312:Malocclusion, Angle Class II / Q000628:therapy*; D008963:Molar; D052280:Orthodontic Anchorage Procedures; D009967:Orthodontic Appliances; D018709:Statistics, Nonparametric; D014087:Tooth Movement Techniques / Q000295:instrumentation* / Q000379:methods