Complications on maxilar impaction: A systematic review and meta-analysis - 06/11/21

Doi : 10.1016/j.jormas.2021.10.014

Talita Lopes ^a,^{^{1
Talita Lopes last name changes due to divorce occured during article submission.}}, Ricardo Grillo ^a,^b,^⁎ , Basílio de Almeida Milani ^c, Claudio Roberto Pacheco Jodas ^d, Rubens Gonçalves Teixeira ^e
^a Master´s Degree Program, Department of Oral & Maxillofacial Surgery, Faculdade São Leopoldo Mandic, Campinas, Brazil
^b Assistant Professor, Department of Oral & Maxillofacial Surgery, Faculdade São Leopoldo Mandic, Campinas, Brazil
^c Assistant Professor, Department of Oral & Maxillofacial Surgery, FUNDECTO – Universidade de São Paulo, São Paulo, Brazil
^d Associate Professor, Department of Oral & Maxillofacial Surgery, Faculdade São Leopoldo Mandic, Campinas, Brazil
^e Head, Department of Oral & Maxillofacial Surgery, Faculdade São Leopoldo Mandic, Campinas, Brazil

^⁎Corresponding author at: Faculdade São Leopoldo Mandic. Rua Dr. José Rocha Junqueira 13 Ponte Preta, Campinas, São Paulo 13045-755 Brazil.Faculdade São Leopoldo MandicRua Dr. José Rocha Junqueira 13 Ponte PretaCampinasSão Paulo13045-755Brazil

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Abstract

Objectives

Maxillary impactions are seen as an orthognathic surgical movement that increases the number of complications. The aim of this paper is to research literature on this topic, with special attention to avoiding of complications.

Methods

A systematic review was carried out according to the PRISMA guidelines. The PROSPERO registration has been performed. A risk of bias assessment was carried out with RevMan and graphics were created. A total of 20 articles were included in this systematic review.

Results

Some interesting and conclusive facts about maxillary impactions. Relapses are not common due to the higher bone contact. Bleeding is a common complication due to the location of palatal artery. Aesthetic and functional complications can arise, especially in the nasal region. Bimaxillary orthognathic surgeries has a higher incidence of complications.

Conclusions

Today it is not possible to confirm that maxillary impactions alone are responsible for a higher incidence of complications due to the complexity of the three-dimensional movements. Some surgical steps could be safer and cause fewer complications.

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Keywords : Orthognathic surgery, Mandibular condyle, Maxilla, Postoperative complications