M-Shaped Genioplasty: A New Surgical Technique for Sagittal and Vertical Chin Augmentation: Three Case Reports

Fariña, R; Valladares, S.; Aguilar, L.; Pastrián, Juan; Rojas, F.J.A.

doi:10.1016/j.joms.2011.02.137

Cited by 16 publications

(9 citation statements)

References 7 publications

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“…Modifications proposals by some authors (Triaca et al, 2009;Fariña et al, 2012) promote high osteotomies, near the dental margin. Some recent publications have shown the presence of the incisor canal in this zone (Vu et al, 2015) as well as the possibilities of paresthesia and nerve disorders in osteotomies for obtaining of bone grafts.…”

Section: Discussionmentioning

confidence: 99%

Cortical and Cancellous Bone in Mandibular Symphysis: Implications in Osteosynthesis and Osteotomy

et al. 2017

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SUMMARY:The aim of this study was to quantify the presence of cortical and cancellous bone in the mandibular symphysis. A descriptive study was conducted using cone beam computed tomography where skeletal class I and class III subjects were included, defined according to characteristics detected on dental, clinical and dental occlusion x-rays. From the 3D reconstruction, sections were used in relation to the axial axis of the teeth of the anterior sector; the amount of buccal cortical, cortical, lingual, inferior cortical and cancellous bone as well as symphysis height were determined. The measurements were taken using routine methods and analyzed with ANOVA and Tukey's HSD test with p <0.05 for statistical significance. 20 skeletal class I subjects aged 23 years (± 4.5) and 20 class III subjects aged 22 years (± 5.2) were included. Symphysis height was significantly greater in skeletal class III subjects, exceeding by 0.8 mm the height of class I subjects; the buccal cortical bone presented on average 2 mm less at different dental levels, whereas the lingual cortical and inferior basal bones were significantly larger than the buccal cortical bone. The cancellous and cortical bones did not present any significant differences between the two groups (p=0.093). The buccal and basilar cortical bone is smaller than lingual cortical bone.

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Section: Discussionmentioning

confidence: 99%

Cortical and Cancellous Bone in Mandibular Symphysis: Implications in Osteosynthesis and Osteotomy

et al. 2017

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“…Farina et al [ 14 ] introduced the M-shaped genioplasty. The name of this procedure is almost identical to that of our procedure.…”

Section: Discussionmentioning

confidence: 99%

Lower facial contouring surgery using a novel method: M-genioplasty

et al. 2018

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BackgroundMandibular contouring surgery to produce a more slender and small face has become popular, especially in East Asia. Narrowing genioplasty should be simultaneously performed with mandibular angle resection to achieve satisfactory results. In Korea, T-genioplasty has been frequently performed for chin narrowing. The authors developed a new, safe, and reliable method, termed M-genioplasty, that can provide a more slender and attractive lower face.MethodsFrom June 2013 to December 2017, 36 patients underwent M-genioplasty with mandibular angle resection for lower facial contouring. Horizontal and vertical osteotomies were performed obliquely. The resected bone segments were wedge-shaped. The remaining two bone segments were rotated and approximated centrally. The lateral mandible bony stepoff was trimmed off for mandibular angle resection.ResultsIn all patients, the facial contour sufficiently improved, and most patients were satisfied with the outcome. No severe complications took place during postoperative follow-up. ConclusionsM-genioplasty can provide more mandibular angle resection and can create a more acute chin angle without bone resorption than other methods, including T-genioplasty. M-genioplasty with mandibular angle resection is a safer, more accurate, and more reliable method for lower facial contouring.

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“…2 In mild to moderate cases of obstructive sleep apnea syndrome, chin advancement surgery is part of the treatment protocol, contributing to the high level of success. 3 Aesthetic modifications to reposition the chin involve the lower lip, mentolabial sulcus, soft pogonion, and mentocervical distance.…”

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“…2 It was first described by Hofer in 1942, who called it ''anterior horizontal osteotomy of the mandible'' and later modified by Trauner and Obwegeser. 3 Possible transoperative and postoperative complications of genioplasty include damage to the mental nerve, bleeding, damage to tooth roots, bone resorption of the mobilized segment, jaw fracture, ptosis of the lower lip, and failure to fixate the osteotomized segment. The study presents 2 cases of displacement of the osteotomized segment after genioplasty associated with facial trauma during postoperative orthognathic surgery followed by rare complications with no reports in the literature.…”

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Unusual Complication After Genioplasty

Avelar¹,

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Esses

et al. 2014

Journal of Craniofacial Surgery

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Facial beauty depends on shape, proportion, and harmony between the facial thirds. The chin is one of the most important components of the inferior third and has an important role on the definition of facial aesthetic and harmony in both frontal and lateral views. There are 2 principal therapeutic approaches that one can choose to treat mental deformities, alloplastic implants, and mental basilar ostectomy, also known as genioplasty. The latest is more commonly used because of great versatility in the correction of three-dimensional deformities of the chin and smaller taxes of postoperative complications. Possible transoperative and postoperative complications of genioplasty include mental nerve lesion, bleeding, damage to tooth roots, bone resorption of the mobilized segment, mandibular fracture, ptosis of the lower lip, and failure to stabilize the ostectomized segment. The study presents 2 cases of displacement of the osteotomized segment after genioplasty associated with facial trauma during postoperative orthognathic surgery followed by rare complications with no reports in the literature.

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M-Shaped Genioplasty: A New Surgical Technique for Sagittal and Vertical Chin Augmentation: Three Case Reports

Cited by 16 publications

References 7 publications

Cortical and Cancellous Bone in Mandibular Symphysis: Implications in Osteosynthesis and Osteotomy

Cortical and Cancellous Bone in Mandibular Symphysis: Implications in Osteosynthesis and Osteotomy

Lower facial contouring surgery using a novel method: M-genioplasty

Unusual Complication After Genioplasty

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