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Complications on maxilar impaction: A systematic review and meta-analysis
Talita Lopes1, Ricardo Grillo2, Basílio de Almeida Milani3
1Master´s Degree Program, Department of Oral & Maxillofacial Surgery, Faculdade São Leopoldo Mandic, Campinas, Brazil.
Journal of Stomatology, Oral and Maxillofacial Surgery
|November 10, 2021
Summary
Maxillary impactions in orthognathic surgery may not solely increase complications. Further research is needed to identify safer surgical steps and minimize risks associated with these complex movements.
Area of Science:
- Oral and Maxillofacial Surgery
- Orthodontics
- Surgical Complications
Background:
- Maxillary impactions are a recognized orthognathic surgical procedure.
- Concerns exist regarding the potential for increased complications associated with maxillary impactions.
Purpose of the Study:
- To systematically review the existing literature on maxillary impactions.
- To identify and analyze complications associated with maxillary impactions.
- To explore strategies for avoiding complications in these procedures.
Main Methods:
- A systematic review was conducted following PRISMA guidelines.
- PROSPERO registration was obtained.
- Risk of bias assessment was performed using RevMan.
- Twenty articles were included in the review.
Main Results:
- Relapse rates are generally low due to significant bone contact.
- Hemorrhage is a noted complication, often linked to the palatal artery.
- Aesthetic and functional issues, particularly involving the nasal region, can occur.
- Bimaxillary orthognathic surgeries demonstrate a higher complication incidence.
Conclusions:
- It is currently unconfirmed that maxillary impactions alone are responsible for a higher complication rate.
- The complexity of three-dimensional movements in orthognathic surgery complicates direct attribution of complications.
- Certain surgical steps may offer improved safety profiles and reduced complication rates.
