TMJ related short-term outcomes comparing two different osteosynthesis techniques for bilateral sagittal split osteotomy

Roland-Billecart, Thomas; Raoul, G.; Kyheng, Maéva; Sciote, James J.; Ferri, Joël; Nicot, Romain

doi:10.1016/j.jormas.2020.03.018

Cited by 8 publications

(24 citation statements)

References 22 publications

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“…15 However, some contrary views also proved that orthognathic surgery have positive effects on the TMJs. 16 Therefore, there is no definite conclusion about the effects of bimaxillary osteotomies on the TMJs. Since it is difficult to directly collect data from human body, finite element method was used to simulate the biomechanical impact of bimaxillary osteotomies on the TMJs in the patients with mandibular retraction in this study.…”

Section: Resultsmentioning

confidence: 99%

“…Previous study has showed that bimaxillary osteotomies could change the distribution of the TMJ damage, and lead to TMD 15 . However, some contrary views also proved that orthognathic surgery have positive effects on the TMJs 16 . Therefore, there is no definite conclusion about the effects of bimaxillary osteotomies on the TMJs.…”

Section: Discussionmentioning

confidence: 99%

“…11,14 In contrast, some studies have also found that the TMD symptoms were improved or disappeared after the osteotomies. 15,16 Due to the different types of maxillofacial deformities, TMJ would have different change after bimaxillary osteotomies. 4 And unlike mandibular prognathism and facial asymmetry, the studies on mandibular retraction were relatively few.…”

Section: Introductionmentioning

confidence: 99%

“…Related literatures have pointed out that the TMJ structures became abnormal after bimaxillary surgery, and the TMD symptoms appeared or were aggravated 11,14 . In contrast, some studies have also found that the TMD symptoms were improved or disappeared after the osteotomies 15,16 . Due to the different types of maxillofacial deformities, TMJ would have different change after bimaxillary osteotomies 4 .…”

Section: Introductionmentioning

confidence: 99%

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The biomechanical effects of bimaxillary osteotomies to the patients with mandibular retraction under incisal clenching

Luo,

Teng,

Chong

et al. 2024

Numer Methods Biomed Eng

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The purpose of this study is to investigate the biomechanical effect of bimaxillary osteotomies on patients with mandibular retraction. Mandibular retraction, as a typical maxillofacial deformity, and has great adverse effects on TMJ. Bimaxillary osteotomies are widely used to correct symptoms of mandibular retraction. It is necessary to understand the effect of surgery on temporomandibular disc (TMJ). Five patients with mandibular retraction and 10 asymptomatic subjects were involved in this study. Finite element models of preoperative, postoperative and control group were constructed based on the CT data. Nine sets of concentrated forces were used to simulate the muscle effect and contact method was used to simulate the interaction within the TMJs and dentitions. The results showed that bimaxillary osteotomies could effectively improve the maxillofacial morphology and alleviate the overload in TMJ. The facial asymmetry and right chewing side preference could cause imbalanced stress distributions in the TMJs and interfere the surgical treatment.

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Section: Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

The biomechanical effects of bimaxillary osteotomies to the patients with mandibular retraction under incisal clenching

Luo,

Teng,

Chong

et al. 2024

Numer Methods Biomed Eng

View full text Add to dashboard Cite

show abstract

“…Roland-Billecart et al [22] To evaluate the impact of the "semi-rigid" (titanium mini plates) versus "rigid/hybrid" (bi-cortical retromolar screws) osteosynthesis system on TMDs in class II or III mandibular sagittal surgery (BSSO).…”

Section: Authors Purpose Of the Protocol Judgement Criteriamentioning

confidence: 99%

Impact of Orthodontic-Surgical Treatments on the Signs and Symptoms of Temporomandibular Disorders: A Systematic Review

Ehrmann,

Bernabeu,

Tillier

et al. 2024

Dentistry Journal

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Introduction: Some patients exhibit temporomandibular joint or muscular disorders of the masticatory system before, during, or after orthognathic surgery (OS). These are collectively referred to as temporomandibular disorders (TMDs). This systematic literature review aimed to determine the relationship between orthodontic-surgical treatment and TMDs. Methods: An electronic search of the PubMed database, supplemented by a manual search, was performed; the search included any studies published between 2021 (date of the last search in a systematic review of the literature on the subject) and June 2023 that evaluate the prevalence of TMDs during orthodontic-surgical treatment. The diagnosis of TMDs had to be established using the diagnostic algorithm “diagnostic criteria for temporomandibular disorders (DC/TMDs)”, and the diagnosis of disc displacement had to be confirmed using magnetic resonance imaging (MRI). The data were extracted and statistically analyzed. Results: Of the 100 results, seven eligible articles were included, representing a total of 529 cases undergoing orthodontic-surgical treatment. A reduction in joint noises (64.8%), arthralgia (57 to 77%), and myalgia (73 to 100%) was found after orthodontic-surgical treatment despite the fact that a minority of patients exhibited these signs and symptoms even though they were asymptomatic before treatment. The effects of OS on disc position were objectively unpredictable. After surgery, the presence of headaches decreased without significance and the risk of their occurrence was very low (1%). The studies converged toward a reduction in the amplitudes of mouth opening and lateral/protrusion movements. Finally, after the treatment, mandibular function was improved. Conclusion: Under the conditions of this study, OS seems to have a positive impact on the signs and symptoms of TMDs; however, it is not possible to predict the consequential effects on the position of the TMJ disc, whether it is initially in a normal position or displaced.

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Prevalence of signs and symptoms related to temporomandibular disorders and orofacial pain in patients indicated for orthognathic surgery: a meta-analysis

García

Silva

Ferraz³

et al. 2023

Clin Oral Invest

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TMJ related short-term outcomes comparing two different osteosynthesis techniques for bilateral sagittal split osteotomy

Cited by 8 publications

References 22 publications

The biomechanical effects of bimaxillary osteotomies to the patients with mandibular retraction under incisal clenching

The biomechanical effects of bimaxillary osteotomies to the patients with mandibular retraction under incisal clenching

Impact of Orthodontic-Surgical Treatments on the Signs and Symptoms of Temporomandibular Disorders: A Systematic Review

Prevalence of signs and symptoms related to temporomandibular disorders and orofacial pain in patients indicated for orthognathic surgery: a meta-analysis

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