The korean journal of orthodontics (대한치과교정학회지)

The Korean Association Of Orthodontists (대한치과교정학회)
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Condylar repositioning using centric relation bite in bimaxillary surgery

  • Lee, Chang-Youn (Division of Oral and Maxillofacial Surgery, Department of Dentistry, Hallym University College of Medicine) ;
  • Jang, Chang-Su (Division of Oral and Maxillofacial Surgery, Department of Dentistry, Hallym University College of Medicine) ;
  • Kim, Ju-Won (Division of Oral and Maxillofacial Surgery, Department of Dentistry, Hallym University College of Medicine) ;
  • Kim, Jwa-Young (Division of Oral and Maxillofacial Surgery, Department of Dentistry, Hallym University College of Medicine) ;
  • Yang, Byoung-Eun (Division of Oral and Maxillofacial Surgery, Department of Dentistry, Hallym University College of Medicine)
  • Received : 2012.06.24
  • Accepted : 2012.11.08
  • Published : 2013.04.25
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Abstract

Objective: The purpose of this study was to evaluate displacement of the mandibular condyle after orthognathic surgery using a condylar-repositioning device. Methods: The patient group comprised 20 adults who underwent bimaxillary surgery between August 2008 and July 2011. The degree of condylar displacement was measured by pre- and postoperative tomographic analysis using centric relation bite and a wire during surgery. A sur vey assessing temporomandibular joint (TMJ) sound, pain, and locking was performed. The 20 tomographs and surveys were analyzed using the Wilcoxon signed-rank test and McNemar's test, respectively. Results: No significant changes were observed in the anterior, superior, or posterior joint space of the TMJ (p > 0.05). In addition, no significant change was observed in TMJ sound (p > 0.05). However, TMJ pain and locking both decreased significantly after surgery (p < 0.05). Conclusions: Due to its simplicity, this method may be fea sible and useful for repositioning condyles.

Keywords

References

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