Maxillary and mandibular width changes studied using metallic implants.
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Elsevier
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The purpose of this implant study was to evaluate the transverse stability of the basal maxillary and mandibular structures. The sample included 25 subjects between 12 and 18 years of age who were followed for approximately 2.6 years. Metallic implants were placed bilaterally into the maxillary and mandibular corpora before treatment. Once implant stability had been confirmed, treatment (4 first premolar extractions followed by fixed appliance therapy) was initiated. Changes in the transverse maxillary and mandibular implants were evaluated cephalometrically and two groups (GROW+ and GROW++; selection based on growth changes in facial height and mandibular length) were compared. The GROW++ group showed significant width increases of the posterior maxillary implants (P <.001) and the mandibular implants (P =.009); there was no significant change for the anterior maxillary implants. The GROW+ group showed no significant width changes between the maxillary and mandibular implants. We conclude that (1) there are significant width increases during late adolescence of the basal mandibular and maxillary skeletal structures and (2) the width changes are related with growth potential.
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metal adolescent cephalometry child comparative study face female follow up growth, development and aging histology human longitudinal study male malocclusion mandible maxilla maxillofacial development orthodontic device orthodontics pathophysiology premolar tooth prostheses and orthoses tooth occlusion Adolescent Bicuspid Cephalometry Child Face Female Follow-Up Studies Humans Longitudinal Studies Male Malocclusion, Angle Class I Mandible Maxilla Maxillofacial Development Metals Orthodontic Appliances Prostheses and Implants Serial Extraction Vertical Dimension
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Inglês
Citação
American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics, v. 117, n. 1, p. 75-80, 2000.
