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Radiological risk indicators for persistent postoperative morbidity after third molar removal.

Myrthel Vranckx1,2, Lieselotte Lauwens3,4, Catalina Moreno Rabie3,4

  • 1OMFS-IMPATH Research Group, Department of Imaging and Pathology, Faculty of Medicine, KU Leuven, Leuven, Belgium. myrthel.vranckx@kuleuven.be.

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|January 4, 2021
PubMed
Summary

Panoramic radiographs can predict prolonged recovery after third molar surgery. Deep impactions and pericoronal radiolucencies indicate higher risk for persistent postoperative morbidity, guiding patient counseling.

Keywords:
ExtractionImpactionPanoramic radiographPathologyThird molarWisdom tooth

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Area of Science:

  • Oral and Maxillofacial Surgery
  • Radiology
  • Dental Diagnostics

Background:

  • Panoramic radiography is crucial for third molar surgery planning.
  • Its predictive value for postoperative recovery is underexplored.

Purpose of the Study:

  • To assess the relationship between radiologic risk indicators on panoramic radiographs and persistent postoperative morbidity.
  • To identify specific radiographic markers associated with prolonged recovery after third molar extraction.

Main Methods:

  • Prospective cohort study of 1009 patients undergoing 2825 third molar extractions.
  • Evaluation of ten radiographic parameters including impaction, orientation, nerve/sinus proximity, radiolucencies, caries, and resorption.
  • Postoperative recovery monitored at 3 and 10 days; analyzed using univariate logistic regression.

Main Results:

  • Deep impactions strongly correlated with persistent pain, trismus, swelling, prolonged medication use, and delayed return to activities.
  • Pericoronal radiolucencies and resorption were linked to increased morbidity and longer recovery times.
  • Caries and periapical lesions were associated with shorter recovery periods.

Conclusions:

  • Preoperative panoramic radiographs offer valuable insights into potential prolonged recovery.
  • Clinicians can utilize identified risk indicators to better inform patients about postoperative expectations and risks.