Three-dimensional mandibular change after sagittal split ramus osteotomy with a semirigid sliding plate system for fixation of a mandibular setback surgery

Ghang, Moon-Ho; Kim, Hyung-Min; You, Jun-Young; Kim, Byoung‐Ho; Choi, Jae-Pyong; Kim, Soo‐Ho; Choung, Pill‐Hoon

doi:10.1016/j.oooo.2012.02.022

Cited by 43 publications

(31 citation statements)

References 32 publications

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“…Although many methods 7,8,[21][22][23] to prevent condylar displacement have been reported, few studies are available regarding the factors influencing condylar displacement after SSRO. Harris et al 6 and Lee and Park 9 evaluated condylar displacement by SSRO in three dimensions by means of helical CT and correlated with the amount of mandibular advancement 6 or setback.…”

Section: Discussionmentioning

confidence: 99%

Cone-beam computed tomography evaluation on the changes in condylar long axis according to asymmetric setback in sagittal split ramus osteotomy patients

Lim

Jiang

et al. 2016

The Angle Orthodontist

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Objective: To determine whether the condylar rotation is affected by asymmetric setback in patients undergoing sagittal split ramus osteotomy. Materials and Methods: Thirty patients who underwent bilateral sagittal split ramus osteotomy setback surgery were divided into the two groups, symmetric setback and asymmetric setback, according to the right/left difference of setback amount (,2.0, !2.0 mm). Condylar long axis changes were evaluated using the three-dimensional superimposition of before and immediately after surgery cone-beam computed tomography volume images. Evaluations were performed separately in lesser setback and greater setback side in patients undergoing asymmetric setback, whereas both side condyles were evaluated together in patients undergoing symmetric setback. Condylar axis changes on axial view were correlated with setback amount or right/left setback difference using Pearson correlation analysis. Results: In general, the condylar axis change occurred in a pattern of inward rotation. The condyles in patients undergoing symmetric setback showed 3.48 rotation in average. In case of asymmetric setback, the lesser setback side showed larger value (4.38) than the greater setback side (2.38) with a statistical significance. In the correlation analysis, setback amount showed no significant correlation with the condylar axis changes in both groups. However, correlation with right/left setback difference showed a positive correlation in lesser setback side of patients undergoing asymmetric setback. Conclusion: The findings of this study indicate that large amount of setback alone does not contribute to the change in condylar long axis, but asymmetric setback might cause a change in condylar long axis, particularly on the lesser setback side. (Angle Orthod. 2017;87:254-259)

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Section: Discussionmentioning

confidence: 99%

Cone-beam computed tomography evaluation on the changes in condylar long axis according to asymmetric setback in sagittal split ramus osteotomy patients

Lim

Jiang

et al. 2016

The Angle Orthodontist

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“…51,52 Contudo, não foram demonstradas vantagens significativas relativamente aos parafusos bicorticais ou miniplacas convencionais. 46 …”

Section: Posicionamento Dos Côndilos Mandibularesunclassified

Osteossíntese no Tratamento Cirúrgico dos Prognatismos: Estado da Arte

Durão

Amarante

2017

Acta Med Port

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“…The midsagittal reference plane was defined as a plane passing through the nasion bisecting both frontozygomatic points. 18,19 Menton deviation and lower dental midline was evaluated by the midsagittal reference plane. The lower dental midline correction value was defined as lower dental midline values at T0 (before surgery) minus T2 (after surgery).…”

Section: Subjectsmentioning

confidence: 99%

Natural Head Postures of Patients With Facial Asymmetry in Frontal View Are Corrected After Orthognathic Surgeries

Kim

Kang²,

You³

et al. 2016

Journal of Oral and Maxillofacial Surgery

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Three-dimensional mandibular change after sagittal split ramus osteotomy with a semirigid sliding plate system for fixation of a mandibular setback surgery

Cited by 43 publications

References 32 publications

Cone-beam computed tomography evaluation on the changes in condylar long axis according to asymmetric setback in sagittal split ramus osteotomy patients

Cone-beam computed tomography evaluation on the changes in condylar long axis according to asymmetric setback in sagittal split ramus osteotomy patients

Osteossíntese no Tratamento Cirúrgico dos Prognatismos: Estado da Arte

Natural Head Postures of Patients With Facial Asymmetry in Frontal View Are Corrected After Orthognathic Surgeries

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