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Maxillo-mandibular counter-clockwise rotation and mandibular advancement with TMJ Concepts (R) total joint prostheses Part I - Skeletal and dental stability
  • Baylor College of Dentistry
  • Universidade Estadual Paulista (UNESP)
  • Universidade Federal do Ceará (UFC)
The purpose of this study was to evaluate skeletal and dental stability in patients who had temporomandibular joint (TMJ) reconstruction and mandibular counterclockwise advancement using TMJ Concepts total join, prostheses (TMJ Concepts Inc. Ventura, CA) with maxillary osteotomies being performed at the same operation. All patients were operated at Baylor University Medical Center, Dallas TX, USA, by one surgeon (Wolford). Forty-seven females were studied; the average post-surgical follow-up was 40.6 months. Lateral cephalograms were analyzed to estimate surgical and post-surgical changes. During surgery, the occlusal plane angle decreased 14.9 +/- 8.0 degrees. The maxilla moved forward and upward. The posterior nasal spine moved downward and forward. The mandible advanced 7.9 +/- 3.5 mm at the lower incisor tips, 12.4 +/- 5.4 mm at Point B, 17.3 +/- 7.0 mm at menton, 18.4 +/- 8.5 mm at pogonion, and 11.0 +/- 5.3 mm at gonion. Vertically, the lower incisors moved upward -2.9 +/- 4.0 mm. At the longest follow-up post surgery, the maxilla showed minor horizontal changes while all mandibular measurements remained stable. TMJ reconstruction and mandibular advancement with TMJ Concepts total joint prosthesis in conjunction with maxillary osteotomies for counter-clockwise rotation of the rnaxillo-mandibular complex was a stable procedure for these patients at the longest follow-up.
Issue Date: 
International Journal of Oral and Maxillofacial Surgery. Edinburgh: Churchill Livingstone, v. 38, n. 2, p. 126-138, 2009.
Time Duration: 
Churchill Livingstone
  • Orthognathic surgery
  • Stability
  • TMJ prostheses
  • Adolescent
  • Adult
  • Cephalometry
  • Clinical article
  • Clinical feature
  • Female
  • Follow up
  • Human
  • Joint stability
  • Malocclusion
  • Mandible fracture
  • Mandible prosthesis
  • Mandible reconstruction
  • Maxilla osteotomy
  • Midface hypoplasia
  • Temporomandibular joint disorder
  • Treatment outcome
  • Adolescent
  • Adult
  • Arthroplasty, Replacement
  • Cephalometry
  • Combined Modality Therapy
  • Dental Occlusion
  • Female
  • Follow-Up Studies
  • Humans
  • Joint Prosthesis
  • Male
  • Mandibular Advancement
  • Maxilla
  • Middle Aged
  • Oral Surgical Procedures
  • Osteotomy, Le Fort
  • Reconstructive Surgical Procedures
  • Retrospective Studies
  • Rotation
  • Temporomandibular Joint
  • Temporomandibular Joint Disorders
  • Treatment Outcome
  • Young Adult
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Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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