Predictive value of masseter muscle thickness and bite force on Class II functional appliance treatment: a prospective controlled study

Antonarakis, Gregory S.; Kiliaridis, Stavros

doi:10.1093/ejo/cju089

Cited by 24 publications

(47 citation statements)

References 47 publications

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“…According to this process 12 full-text articles were selected. Only four studies [8,9,10,11] were included in the review. After contacting the corresponding author of two of the selected articles [8,10] one additional publication was recovered [14].…”

Section: Resultsmentioning

confidence: 99%

“…The evaluation of the selected publications identified five studies [8,9,10,11,14] among which four [9,10,11,14] were fairly homogeneous for design, population demographics, diagnostics, study period and tool used for assessment of the primary outcome. The other study [8] was characterized by heterogeneity regarding the study design, study population demographics and data acquisition.…”

Section: Methodsmentioning

confidence: 99%

“…The other study [8] was characterized by heterogeneity regarding the study design, study population demographics and data acquisition. Thus, the authors decided to include all the five studies in the systematic review, but quantitative analysis of data was performed only on the four [9,10,11,14] homogeneous studies.…”

Section: Methodsmentioning

confidence: 99%

“…The quantitative analysis of mean differences was performed using a random-effects meta-analysis for continuous variables. Results of all four studies included [9,10,11,14] were given as mean values and standard deviation.…”

Section: Methodsmentioning

confidence: 99%

“…In order to avoid the inappropriateness of EMG in the evaluation of masticatory muscle thickness, more recently some authors used the ultrasonography (US) for the analysis of the masseter muscular changes in patients with malocclusion or during the treatment of malocclusions [8,9,10,11]. The advantages of the use of US are many: first of all it is a x-ray free method that avoids ethical problems for patients (especially in pediatric age); the superficial position of the masseter muscle allows it to be used in a very simple and quick way and it has a low cost for the patient [11].…”

Section: Introductionmentioning

confidence: 99%

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Ultrasonographic Evaluation of The Effects of Orthodontic or Functional Orthopaedic Treatment on Masseter Muscles: A Systematic Review and Meta-Analysis

et al. 2019

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Objectives: This review investigated the effects of orthodontic or functional orthopedic therapy on masseter muscle thickness through the use of ultrasonography (US) in growing subjects when compared with untreated subjects. Materials and Methods: This review systematically assessed studies that investigated growing subjects undergoing orthopedic therapy for the correction of malocclusion of vertical, sagittal and transversal plane. Electronic databases (CENTRAL, MEDLINE-PubMed, Scopus and Web of Science) were searched up to February 2019, including available RCTs and CCTs, without language restrictions. The primary outcome was the effect of orthopedic or functional treatment on masseter muscle thickness. The risk of bias of included studies was assessed through the Newcastle-Ottawa quality assessment scale with the aim of defining their methodological quality. A random-effects meta-analysis analyzing mean differences with 95% confidence intervals was used for quantitative analysis. Results: The search retrieved 749 titles, but the studies selection resulted in a final sample of 5 CCTs. The studies retrieved data from 233 children (age range: 5–22 years) and were conducted at university dental clinics. Children were treated for Class II malocclusion, increased vertical dimension or lateral cross-bite variably with rapid or slow maxillary expansion, twin block, bite block, mandibular activators, quad helix, alone or in combination. Risk of bias was assessed as medium for three studies, low for one and high for another. The meta-analysis determined that at the end of orthopedic or functional treatment masseter muscle thickness, measured through the use of US, is significantly reduced (MD −0.79 mm; 95% CI −1.28 to −0.31). The reduction in muscle thickness, therefore, could be considered an indicator for the evaluation of the success of therapy with orthodontic appliances. Conclusions: Although the meta-analysis revealed that US could be considered a less invasive and effective method to evaluate the masseter muscle thickness, single-blinded RCTs, are required to confirm US reliability in this field of application. This review was registered on PROSPERO with the following registration number: CRD42018068402.

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Section: Resultsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Ultrasonographic Evaluation of The Effects of Orthodontic or Functional Orthopaedic Treatment on Masseter Muscles: A Systematic Review and Meta-Analysis

et al. 2019

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Orthodontic treatment for prominent upper front teeth (Class II malocclusion) in children and adolescents

Batista

Thiruvenkatachari

Harrison

et al. 2018

Cochrane Database of Systematic Reviews

122

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Masseter muscle thickness and vertical cephalometric characteristics in children with Class II malocclusion

Tentolouri

Antonarakis

Georgiakaki

et al. 2022

Clinical & Exp Dental Res

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Background: Masseter muscle thickness and its relationship with vertical craniofacial morphology have been extensively studied in adults, but data on children are lacking.Objective: To examine the association between masseter muscle thickness and vertical cephalometric parameters in a group of Class II malocclusion growing children. Methods:The current study design was retrospective and cross-sectional, looking at a sample of 211 growing children with Class II malocclusion between the ages of 6 and 15 derived from two centers. Ultrasonographic masseter muscle thickness measurements and vertical cephalometric variables, including the gonial angle, were evaluated before any orthodontic treatment had been carried out. Multiple linear regression analysis was used to examine the association between masseter muscle thickness and vertical cephalometric measurements, including age and patient origin as independent variables in the analysis.Results: In the present sample, masseter muscle thickness was found to be independent of sex, but correlated with age, with older children presenting thicker masseter muscles. In the total patient sample, using multiple regression analyses, children with thicker masseter muscles had significantly smaller intermaxillary and gonial angles. No other cephalometric vertical characteristics showed associations with masseter muscle thickness. Conclusion:In growing children with Class II malocclusion, those with thicker masseter muscles are more likely to display smaller intermaxillary and gonial angles respectively.

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Predictive value of masseter muscle thickness and bite force on Class II functional appliance treatment: a prospective controlled study

Abstract: The initial condition of the masticatory muscles may partly determine treatment outcomes. Children with thinner pre-treatment masseter muscles or weaker bite force show greater dentoalveolar changes.

Cited by 24 publications

References 47 publications

Ultrasonographic Evaluation of The Effects of Orthodontic or Functional Orthopaedic Treatment on Masseter Muscles: A Systematic Review and Meta-Analysis

Ultrasonographic Evaluation of The Effects of Orthodontic or Functional Orthopaedic Treatment on Masseter Muscles: A Systematic Review and Meta-Analysis

Orthodontic treatment for prominent upper front teeth (Class II malocclusion) in children and adolescents

Masseter muscle thickness and vertical cephalometric characteristics in children with Class II malocclusion

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