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July 19, 2025Progress in OrthodonticsOpen Access

The impact of extraction vs. non-extraction orthodontic treatment on the angulation of third molars on panoramic radiographs: a systematic review and meta-analysis

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Authors

NKNikolaos KazanopoulosIXIoannis XanthakisHVHeleni Vastardis

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Overview

Systematic review and meta-analysis reveals extraction orthodontic treatment significantly improves third molar angulation compared to non-extraction methods.

Key Points

  • Extraction orthodontic treatment significantly improves third molar angulation in mandibular regions (SMD = -0.37; p = 0.004).
  • Nine studies involving 865 participants were analyzed to compare extraction and non-extraction methods.
  • In the maxilla, M3U–PP angle showed notable improvement (MD = -5.79; p = 0.049).
  • Evidence certainty ranged from low to moderate, indicating further research is needed on age’s impact and other variables.

Cite This Study

Kazanopoulos et al. (2025) studied this question.

synapsesocial.com/papers/689a02c9e6551bb0af8ccf3fhttps://doi.org/10.1186/s40510-025-00573-3
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1The Impact of Extraction Orthodontic Treatment on the Impaction of Mandibular Third Molars: An Imaging-Based Retrospective Cohort Study2025
  2. 2Influence of linear and angular parameters on lower third molar retention: the role of space allocation and transpalatal width2025
  3. 3Evaluation of Adjacent Tooth Movement Following Compromised First Permanent Molar Extraction in Mixed Dentition2025
  4. 4Radiographic analysis of third molar impaction pattern2025
  5. 5Patterns of Mandibular Third Molar Impactions and Its Association with Carious Lesions and Periodontal Defects: A Retrospective Cross-Sectional Study2025 · 3 citations