Treatment Options for Class III Malocclusion in Growing Patients with Emphasis on Maxillary Protraction

Azamian, Zeinab; Shirban, Farinaz

doi:10.1155/2016/8105163

Cited by 39 publications

(37 citation statements)

References 84 publications

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“…Therefore, PFM treatment might contribute to the skeletal changes of TMJs. A three dimension assessment study showed that PFM lead to bone apposition at the anterior eminence of the TMJ and bone resorption at the posterior wall of the articular eminence, which correlated well with the posterior displacement of the condyle [ 29 , 30 ]. Meanwhile, continuous intermaxillary traction influenced the mandibular shape [ 30 ].…”

Section: Introductionmentioning

confidence: 99%

“…Most systematic reviews and meta-analysis of PFM treatment mainly focused on its efficacy on Class III malocclusion, including the skeletal and dental changes [ 12 , 13 , 27 – 29 , 31 – 34 ]. Until now, no systematic review is available concerning the effect of PFM on TMJs, which has been a much debated issue among clinicians in the field of orthodontics.…”

Section: Introductionmentioning

confidence: 99%

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Effect of protraction facemask on the temporomandibular joint: a systematic review

2018

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BackgroundThe aim of this study was to assess the influence of protraction facemask (PFM) on temporomandibular joint (TMJ) of skeletal Class III malocclusion patients.MethodLiterature searches were carried out electronically in five English and three Chinese databases (Cochrane Database of Systematic Reviews, the Cochrane Central Register of Controlled Trials, PubMed, Embase, MEDLINE (via Ovid), Chinese Biomedical Literature Database, China National Knowledge Infrastructure, and VIP Database). The date of the most recent search was 22 March 2017. Randomized controlled trials, controlled clinical trials, cohort studies, and before-after studies comparing the effect of PFM and other treatments on TMJ were included. The data were collected and extracted by three authors. The risk of bias in the RCTs was assessed in accordance with the Cochrane Handbook for Systematic Reviews of Interventions. For the nonrandomized studies, the risk of bias was judged with Newcastle-Ottawa Scale.ResultsFor the 261 articles identified, 13 studies with 522 participants were included for the final qualitative analysis. Three studies were graded as high value of evidence, while seven studies and the other three studies were graded as moderate value and low value respectively. According to the available evidence, PFM contributed to the significant increase of CondAx-SBL and the significant decrease of CondAx-ML. Thin-plate spline (TPS) analysis showed a horizontal compression in condyles. Condyles tended to move superiorly and posteriorly. Concerning the occurrence of temporomandibular disorders (TMD), PFM was not involved in aggravating TMJ symptoms and signs.ConclusionsClinical evidence suggests that PFM might contribute to the morphologic adaptation of TMJs and displacement of condyles, and PFM may well be not a risk factor for the development of TMD.Electronic supplementary materialThe online version of this article (10.1186/s12903-018-0503-9) contains supplementary material, which is available to authorized users.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effect of protraction facemask on the temporomandibular joint: a systematic review

2018

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“…What is the durability of the results achieved with this kind of therapy? The presented patient did not show the tendency for relapse for two years after the completion of the therapy, and the literature data point that relapse of class III primarily stems from mandibular growth, and not due to relapses in the maxilla [7].…”

Section: Discussionmentioning

confidence: 52%

“…In Asian population, majority of patients show deficit of the middle third of a face. According to literature, more than 60% of the cases of class III malocclusion occurred due to maxillary skeletal deficit [3,7,8].…”

Section: Introduction mentioning

confidence: 99%

Camouflage Therapy of Hypoplasia of the Maxilla. Case Report

Perović

Aleksić²,

Blažej³

2019

FU Med Biol

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Maxillary hypoplasia is one of the forms of class III malocclusion. On average, 60% class III malocclusions are characterized by maxillary underdevelopment in all three directions. Anomalies in position, size and the shape of facial bones, maxilla in particular, usually appear in childhood, become more pronounced in adolescence until the end of the growth period. The aim of the paper is to show the camouflage treatment of the patient in adolescence with maxillary hypoplasia. Using the RME method in the upper jaw, extraction in the lower jaw and fixed orthodontic devices in both jaws, a satisfactory result was achieved.

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“…For 3D position characteristics of an individual tooth within a denture, it is called micro level diagnostics, and relevant research results will improve the accuracy of the orthodontic treatment. In recent years, many authors have found that the bony cortex on the upper anterior labial side is thinner [ 1 , 7 ]; thus, during the adduction of the orthodontic treatment, if the thickness of the bony cortex is breached, there are frequent occurrences of bone fenestrations and dehiscence [ 8 ]. Therefore, a pre-alert has been raised due to the medical risks.…”

Section: Discussionmentioning

confidence: 99%

Cone beam computed tomography analysis in 3D position of maxillary denture

Jia

Hua

et al. 2017

Open Medicine

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AbstractThe dynamic correlation between teeth and denture morphology as well as the morphological positions needs to be explored.Methodology63 adult patients with skeletal class III malocclusions that met the inclusion criteria were enrolled and imaged with Cone Beam Computed Tomography (CBCT), and Digital Imaging and Communications in Medicine (DICOM) data were collected. The torque angle and axial inclination were measured and analyzed for the corona, root, and entire body of every tooth on the maxilla.ResultsThere is a statistically significant difference between the coronal axial inclination/coronal torque angle for the skeletal class III malocclusion cases and Andrew’s six keys of occlusion. On the sagittal plane of the maxillary denture (except that the secondary molar is inclined medial-distally), the remaining teeth are inclined towards the labia with slightly larger angles compared to the normal occlusion. In the coronal direction, the maxillary anterior teeth tend to have a corona that inclines medial-distally, whereas the posterior teeth have a buccal inclination compared to the normal occlusion.ConclusionSagittal and transversal compensations prevail in maxillary dentures; for the camouflaged treatment design for skeletal class III, there is limited scope of sagittal and transversal movements on the maxillary denture.

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Treatment Options for Class III Malocclusion in Growing Patients with Emphasis on Maxillary Protraction

Cited by 39 publications

References 84 publications

Effect of protraction facemask on the temporomandibular joint: a systematic review

Effect of protraction facemask on the temporomandibular joint: a systematic review

Camouflage Therapy of Hypoplasia of the Maxilla. Case Report

Cone beam computed tomography analysis in 3D position of maxillary denture

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