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Problems during orthognathic surgery resulting from errors in diagnostic wax bite.

Jimoh Olubanwo Agbaje1, Yi Sun, Ivo Lambrichts

  • 1Oral and Maxillofacial Surgery, St John's Hospital, Genk, Belgium.

The Journal of Craniofacial Surgery
|May 30, 2013
PubMed
Summary
This summary is machine-generated.

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Diagnostic wax bites are crucial for bimaxillary surgery but can lead to errors. This study found 10% of wax bites didn't fit, highlighting the need for safety measures like navigation tools.

Area of Science:

  • Oral and Maxillofacial Surgery
  • Orthodontics
  • Dental Technology

Background:

  • Model surgery and splint fabrication present challenges impacting surgical outcomes.
  • Errors in diagnostic wax bites can cause improper upper jaw positioning during bimaxillary surgery.
  • Postoperative malocclusions may arise from insufficient perioperative control over dental interdigitation and facial midline alignment.

Purpose of the Study:

  • To evaluate the effectiveness of diagnostic wax bites in patients undergoing bimaxillary surgery.
  • To identify potential issues associated with wax bite fabrication and fit in bimaxillary procedures.

Main Methods:

  • A cohort of 50 patients undergoing bimaxillary surgery was assessed.
  • The fit and accuracy of pre-operative diagnostic wax bites were evaluated for each patient.

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Main Results:

  • In 10% (5 out of 50) of the patients, the diagnostic wax bite did not achieve a proper fit.
  • This indicates a significant failure rate for wax bites in this surgical context.

Conclusions:

  • The findings suggest that diagnostic wax bites may not be consistently effective for bimaxillary surgery.
  • Implementing safety measures, such as utilizing navigation tools, is recommended to mitigate inaccuracies caused by ill-fitting wax bites.
  • Further research into alternative or supplementary methods for ensuring accurate jaw positioning is warranted.