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Does maxillary sinus proximity affect molar root resorption during distalization using Invisalign? a CBCT study.

Dina Elfouly1, Nadia M El-Harouni2, Hanan A Ismail2

  • 1Department of Orthodontics, Faculty of Dentistry, Alexandria University, Champollion St., P.O. Box 21521, Azarita, Alexandria, Egypt. dina.elfouly@alexu.edu.eg.

BMC Oral Health
|November 22, 2023
PubMed
Summary
This summary is machine-generated.

Maxillary sinus proximity to molar roots does not correlate with root resorption during clear aligner therapy (CAT). This finding is crucial for predicting potential side effects in orthodontic treatments.

Keywords:
Clear alignerDistalizationMaxillary sinus proximityRoot resorption

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Area of Science:

  • Orthodontics
  • Dental Imaging
  • Biotechnology

Background:

  • Root resorption is a potential side effect of orthodontic treatment.
  • Maxillary molar distalization using clear aligners is a common orthodontic procedure.
  • The proximity of maxillary molars to the maxillary sinus is a anatomical consideration.

Purpose of the Study:

  • To investigate the correlation between maxillary sinus proximity to maxillary molar root apices and root resorption.
  • To evaluate root changes during molar distalization with clear aligner therapy (CAT).

Main Methods:

  • Thirty-eight cone beam computed tomography (CBCT) scans from 19 patients were analyzed.
  • Measurements included sinus proximity and root length changes for 61 molars (183 roots).
  • Spearman correlation analysis was employed to assess the relationship between variables.

Main Results:

  • No significant correlation was found between maxillary sinus proximity and root resorption for mesiobuccal, distobuccal, or palatal roots.
  • Statistical analysis showed no link between anatomical proximity and root changes (p > 0.05).

Conclusions:

  • Maxillary sinus proximity is not a predictive factor for root resorption during clear aligner therapy.
  • This study suggests that other factors may be more influential in root resorption during orthodontic treatment.