Face bow and articulator for planning orthognathic surgery: 2 articulator

F. Walker, A.F. Ayoub, K.F. Moos, J.C. Barbenel

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Patients who require orthognathic surgery may have asymmetry of the position of the temporomandibular joints relative to the maxilla, which is impossible to reproduce on the current semiadjustable articulators used for surgical planning. We describe a highly-adjustable spirit level orthognathic face bow that allows records to be made of patients with asymmetrical maxillae. The orthognathic articulator also allows the position of the condylar components of the articulator to be adjusted in three dimensions. The use of the new face bow and articulator made it possible to mount the dental casts of asymmetrical faces to reproduce their clinical appearance. The devices were evaluated by comparing the measurements of anatomical variables obtained from cephalometric radiographs with equivalent values obtained from the orthognathic articulator and casts mounted on the articulator. Although the measurements showed significant intersubject variability, the angle between the horizontal and maxillary occlusal plane, occlusal cant angle, and intercondylar widths, were not significantly different.
LanguageEnglish
Pages573-578
Number of pages5
JournalBritish Journal of Oral and Maxillofacial Surgery
Volume46
Issue number7
DOIs
Publication statusPublished - Oct 2008

Fingerprint

Dental Articulators
Orthognathic Surgery
Maxilla
Cephalometry
Dental Occlusion
Temporomandibular Joint
Tooth
Equipment and Supplies

Keywords

  • orthognathic
  • head position
  • face bow
  • articulator

Cite this

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abstract = "Patients who require orthognathic surgery may have asymmetry of the position of the temporomandibular joints relative to the maxilla, which is impossible to reproduce on the current semiadjustable articulators used for surgical planning. We describe a highly-adjustable spirit level orthognathic face bow that allows records to be made of patients with asymmetrical maxillae. The orthognathic articulator also allows the position of the condylar components of the articulator to be adjusted in three dimensions. The use of the new face bow and articulator made it possible to mount the dental casts of asymmetrical faces to reproduce their clinical appearance. The devices were evaluated by comparing the measurements of anatomical variables obtained from cephalometric radiographs with equivalent values obtained from the orthognathic articulator and casts mounted on the articulator. Although the measurements showed significant intersubject variability, the angle between the horizontal and maxillary occlusal plane, occlusal cant angle, and intercondylar widths, were not significantly different.",
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Face bow and articulator for planning orthognathic surgery: 2 articulator. / Walker, F.; Ayoub, A.F.; Moos, K.F.; Barbenel, J.C.

In: British Journal of Oral and Maxillofacial Surgery, Vol. 46, No. 7, 10.2008, p. 573-578.

Research output: Contribution to journalArticle

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