Incremental or maximal mandibular advancement in the treatment of class II malocclusion through functional appliances: A systematic review with meta‐analysis

2020 ◽  
Vol 23 (4) ◽  
pp. 371-384
Author(s):  
Lucas Garcia Santana ◽  
Kimberlly Avelar ◽  
Carlos Flores‐Mir ◽  
Leandro Silva Marques
Keyword(s):  
Systematic Review ◽  
Meta Analysis ◽  
Class Ii ◽  
Mandibular Advancement ◽  
Class Ii Malocclusion ◽  
Functional Appliances

scholarly journals Treatment effects of fixed functional appliances in patients with Class II malocclusion: a systematic review and meta-analysis

2015 ◽  
Vol 38 (2) ◽  
pp. 113-126 ◽  
Author(s):  
Vasileios F. Zymperdikas ◽  
Vasiliki Koretsi ◽  
Spyridon N. Papageorgiou ◽  
Moschos A. Papadopoulos
Keyword(s):  
Systematic Review ◽  
Treatment Effects ◽  
Meta Analysis ◽  
Class Ii ◽  
Class Ii Malocclusion ◽  
Functional Appliances

scholarly journals Treatment effects of removable functional appliances in patients with Class II malocclusion: a systematic review and meta-analysis

2014 ◽  
Vol 37 (4) ◽  
pp. 418-434 ◽  
Author(s):  
Vasiliki Koretsi ◽  
Vasileios F. Zymperdikas ◽  
Spyridon N. Papageorgiou ◽  
Moschos A. Papadopoulos
Keyword(s):  
Systematic Review ◽  
Treatment Effects ◽  
Meta Analysis ◽  
Class Ii ◽  
Class Ii Malocclusion ◽  
Functional Appliances

scholarly journals Long-term effects of functional appliances in treated versus untreated patients with Class II malocclusion: A systematic review and meta-analysis

PLoS ONE ◽  
2019 ◽  
Vol 14 (9) ◽  
pp. e0221624 ◽  
Author(s):  
Giorgio Cacciatore ◽  
Alessandro Ugolini ◽  
Chiarella Sforza ◽  
Oghenekome Gbinigie ◽  
Annette Plüddemann
Keyword(s):  
Systematic Review ◽  
Meta Analysis ◽  
Class Ii ◽  
Class Ii Malocclusion ◽  
Long Term Effects ◽  
Functional Appliances

Skeletal and Dental Effectiveness of Treatment of Class II Malocclusion With Headgear: A Systematic Review and Meta-analysis

2018 ◽  
Vol 18 (1) ◽  
pp. 41-58 ◽  
Author(s):  
Riccardo Nucera ◽  
Angela Militi ◽  
Antonino Lo Giudice ◽  
Vanessa Longo ◽  
Rosamaria Fastuca ◽  
...  
Keyword(s):  
Systematic Review ◽  
Meta Analysis ◽  
Class Ii ◽  
Class Ii Malocclusion

scholarly journals Orthopedic Treatment for Class II Malocclusion with Functional Appliances and Its Effect on Upper Airways: A Systematic Review with Meta-Analysis

2020 ◽  
Vol 9 (12) ◽  
pp. 3806
Author(s):  
Darius Bidjan ◽  
Rahel Sallmann ◽  
Theodore Eliades ◽  
Spyridon N. Papageorgiou
Keyword(s):  
Systematic Review ◽  
Clinical Studies ◽  
Class Ii ◽  
Class Ii Malocclusion ◽  
Orthopedic Treatment ◽  
Upper Airways ◽  
Quality Of Evidence ◽  
Functional Appliances ◽  
Airway Dimensions

Aim of this systematic review was to assess the effects of orthopedic treatment for Class II malocclusion with Functional Appliances (FAs) on the dimensions of the upper airways. Eight databases were searched up to October 2020 for randomized or nonrandomized clinical studies on FA treatment of Class II patients with untreated control groups. After duplicate study selection, data extraction, and risk of bias assessment according to Cochrane guidelines, random effects meta-analyses of mean differences (MDs) and their 95% confidence intervals (CIs) were performed, followed by subgroup/meta-regression analyses and assessment of the quality of evidence. A total of 20 nonrandomized clinical studies (4 prospective/16 retrospective) including 969 patients (47.9% male; mean age 10.9 years) were identified. Orthopedic treatment with FAs was associated with increased oropharynx volume (MD = 2356.14 mm3; 95% CI = 1276.36 to 3435.92 mm3; p < 0.001) compared to natural growth. Additionally, significant increases in nasopharynx volume, minimal constricted axial area of pharyngeal airway, and airway were seen, while removable FAs showed considerably greater effects than fixed FAs (p = 0.04). Finally, patient age and treatment duration had a significant influence in the effect of FAs on airways, as had baseline matching and sample size adequacy. Clinical evidence on orthopedic Class II treatment with FAs is associated with increased upper airway dimensions. However, the quality of evidence is very low due to methodological issues of existing studies, while the clinical relevance of increases in airway dimensions remains unclear.

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