Midfacial Soft Tissue Changes After Reduction Malarplasty: A Computed Tomographic Study

Gao, Jianbao; Wei, Min; Yuan, Jie; Yu, Zheyuan; Duan, Huanan; Jiang, Taoran; Cao, Dejun; Xu, Liang

doi:10.1097/scs.0000000000008013

Cited by 6 publications

(3 citation statements)

References 19 publications

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“…The ultimate goal of reduction malarplasty is esthetic soft tissue changes. The universal use of cone beam CT has made it possible to observe soft tissue changes according to bone movement [ 28 , 29 ]. However, these studies only provide information on the amount of change in soft tissue caused by the final position of the bone.…”

Section: Discussionmentioning

confidence: 99%

Effects of surgical factors on the outcomes of zygoma reduction malarplasty: a quantitative computed tomography study

Park¹

2023

Maxillofac Plast Reconstr Surg

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Background Malarplasty is widely performed for zygoma reduction. The effects of body segmentation, plate bending, and postoperative arch location on zygomatic movement have not been analyzed using computed tomography (CT). Results We quantitatively analyzed the effects of surgical factors on zygomatic movements via superimposition of preoperative and postoperative CT images using three-dimensional software. Our results showed that segmentation had the most significant effect on the horizontal reduction of malar eminence (β = 0.593, r = 0.696, adjusted r2 = 0.479, F = 79.595; p < 0.001). In addition, upward and posterior arch movements had significant effects on the anterior and posterior movements of the eminence (β = − 0.379 for vertical arch movement, β = 0.324 for arch setback, r = 0.603, adjusted r2 = 0.352, F = 31.943; p < 0.001). The major factors that influenced inward arch movement at the coronoid process included segmentation and inward movement at the arch osteotomy site. To prevent interference of the coronoid process and arch, surgeons should pay attention to the degree of segmentation (β = 0.349) and inward movement at the arch osteotomy site (β = 0.494; r = 0.688, adjusted r2 = 0.464, F = 50.412; p < 0.001). Conclusions Surgical factors related to malarplasty affect the movement of specific parts of the zygoma. In addition, accurate application is possible by considering the anatomical structure of the application area when using the bending plate.

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Section: Discussionmentioning

confidence: 99%

Effects of surgical factors on the outcomes of zygoma reduction malarplasty: a quantitative computed tomography study

Park¹

2023

Maxillofac Plast Reconstr Surg

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“…During the surgery, the MRD was performed firstly with L-shaped osteotomy as same as previous described 6 . The surgical approach of PSI implantation combined lower lid incision and the intraoral incision to totally expose the implant bed.…”

Section: Methodsmentioning

confidence: 99%

“…During the surgery, the MRD was performed firstly with L-shaped osteotomy as same as previous described. 6 The surgical approach of PSI implantation combined lower lid incision and the intraoral incision to totally expose the implant bed. Then the PSI was implanted on target area according to the preoperative design and fixed by screws to ensure a well-placed.…”

Section: Methodsmentioning

confidence: 99%

Combining Patient-specific Implant With Malar Reduction to Repair Mid-facial Asymmetry Caused by Craniofacial Fractures in Asians

Wong,

Zhong,

et al. 2023

Journal of Craniofacial Surgery

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Mid-facial asymmetry caused by bone defect or deformation resulted from craniofacial fracture was a common secondary complication needed to repair. Patient-specific implant (PSI) designed with the unaffected side as a template is a good choice to repair this kind of facial asymmetry. However, in Asians, the broad and prominent zygomatic bone in unaffected side is not an optimal template, because the oval facial shape was considered as a more attractive appearance in Asian esthetic concept. To repair the mid-facial asymmetry and to improve the facial contour, the authors combined PSI implantation with malar reduction in one-stage surgery. The authors referred the facial proportion index (the optimal ratio of mid and lower face was 1.27) as a basis for preoperative precise design to determine the ideal facial shape of unaffected side, and used mirror image overlay technique with the ideal shape of unaffected side as a template to design the PSI. With this surgical strategy, patients not only can repair facial asymmetry but also can get a more attractive appearance.

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Volume Redistribution of the Buccal Fat Pad After Reduction Malarplasty

Gu,

Yu,

Zhang

et al. 2023

Aesth Plast Surg

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Midfacial Soft Tissue Changes After Reduction Malarplasty: A Computed Tomographic Study

Cited by 6 publications

References 19 publications

Effects of surgical factors on the outcomes of zygoma reduction malarplasty: a quantitative computed tomography study

Effects of surgical factors on the outcomes of zygoma reduction malarplasty: a quantitative computed tomography study

Combining Patient-specific Implant With Malar Reduction to Repair Mid-facial Asymmetry Caused by Craniofacial Fractures in Asians

Volume Redistribution of the Buccal Fat Pad After Reduction Malarplasty

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