10.25241/stomaeduj.2020.7(1).art.7 -abstract

ORTHODONTICS

Stability of skeletal class III malocclusion after orthognathic surgery and orthodontic treatment: a systematic review and meta-analysis

DOI: https://doi.org/10.25241/stomaeduj.2020.7(1).art.7

Abstract

Background Relapse is one of the major concerns in the correction of skeletal class III malocclusion.
Objective The purpose of this systemic review was to evaluate the degree of relapse on skeletal class III patients who received bimaxillary surgery or mandibular setback with orthodontic treatment.
Data Sources A search of the literature was performed in the databases of PubMed, Google Scholar Beta, Scopus, Web of Science, and the Cochrane Library.
Study Selection Out of the 165 articles identified, 73 studies were obtained, once duplicated articles were excluded. Then, 40 other records were excluded due to titles and abstracts, and 20 were removed for not fulfilling exclusion/inclusion criteria. 11 studies met the final inclusion criteria. Some cephalometric data during T1–T2–T3 were measured.
Data Extraction SNA did not have any significant changes within less than 2 years but it increased significantly after 2 years. SNB did not have any significant changes in more than 2 years’ follow-up, while it rose significantly in less than 2 years. Overjet decreased significantly after 2 years but not earlier than this duration. Overbite intensified significantly in more than 2 years and not earlier.
Data Synthesis SNA and overbite increased significantly after 2 years. SNB increased significantly before 2 years and did not have any changes after it. Overjet was significantly reduced after 2 years.

Keywords

Class III; Skeletal and Dental Changes; Stability; Bimaxillary Surgery or Mandibular Setback; Systematic Review and Meta-Analysis.

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