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Updated: Apr 23, 2026
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Author Spotlight: 3D Movement Assessment of Maxillary Posterior Teeth in Clear Aligner Treatment
Published on: February 23, 2024
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Orthodontic tooth movement through the maxillary sinus in an adult with multiple missing teeth
Heesoo Oh1, Kiri Herchold2, Stephanie Hannon2
1Associate professor and program director, Department of Orthodontics, Arthur A. Dugoni School of Dentistry, University of the Pacific, San Francisco, Calif.
Summary
Orthodontic treatment successfully moved teeth through the maxillary sinus in an adult patient. This case report highlights overcoming anatomical challenges for successful tooth movement and bone remodeling.
Area of Science:
- Dentistry
- Orthodontics
- Oral and Maxillofacial Surgery
Background:
- Adult orthodontic treatment presents unique challenges, including anatomical limitations.
- Severe lip protrusion and missing posterior teeth require complex treatment planning.
Observation:
- A 41-year-old woman underwent orthodontic treatment involving tooth extraction and retraction.
- Maxillary incisor retraction extended over a long distance, traversing the maxillary sinus.
Findings:
- Successful orthodontic tooth movement through the maxillary sinus was achieved.
- The treatment resulted in significant bone modeling within the maxillary sinus.
- Carefully selected force systems can overcome anatomical limitations in adult orthodontics.
Implications:
- This case demonstrates the feasibility of orthodontic tooth movement through the maxillary sinus.
- It offers insights into managing complex cases with anatomical and biological challenges.
- The findings support the use of advanced orthodontic techniques in adult patients.
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