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Maxillofacial Plastic and Reconstructive Surgery

Seungkyu Yoon, Jae-Young Kim, Cheol-Hee Jeong, Jengbin Park, Jong-Ki Huh, Kwang-Ho Park
Background: The purpose of the present study was to investigate the differences in the position and shape of the anterior loop of the inferior alveolar nerve (ALIAN) in relation to the growth pattern of the mandibular functional subunit. Methods: The study was conducted on 56 patients among those who had undergone orthognathic surgery at the Gangnam Severance Hospital between January 2010 and December 2015. Preoperative computerized tomography (CT) images were analyzed using the Simplant OMS software (ver...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
Sunghyun Kang, Dae Ho Leem
Background: Verrucous carcinoma (VC) accounts for 1-10% of cases of squamous cell carcinoma (SCC) in the oral cavity, and 75% of VC occur in the oral cavity. Only 3% of primary intraosseous squamous cell carcinomas (PIOSCC), which means SCC occurring primarily in the bone, are VC. Verrucous carcinoma arising from odontogenic cysts (OC) is very rare, with only seven cases reported to date. Case presentation: This study reported a case of a patient who underwent partial maxillectomy and neck dissection for VC that occurred in the right anterior maxilla...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
Ki-Su Jin, Ho Lee, Jun-Bae Sohn, Yoon-Sic Han, Da-Un Jung, Hye-Young Sim, Hee-Sun Kim
Background: For proper recovery from craniofacial fracture, it is necessary to establish guidelines based on trends. This study aimed to analyze the patterns and causes of craniofacial fractures. Methods: This retrospective study analyzed patients who underwent surgery for craniofacial fractures between 2010 and 2017 at a single center. Several parameters, including time of injury, region and cause of fracture, alcohol intoxication, time from injury to surgery, hospitalization period, and postoperative complications, were evaluated...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
Sang-Yun Kim, Yong-Hoon Choi, Young-Kyun Kim
Purpose: Various complications occur when a maxillofacial fracture is malunionized or improperly resolved. Malocclusion is the most common complication, followed by facial deformity, temporomandibular joint disorder (TMD), and neurological symptoms. The purpose of this study was to evaluate the dental treatment of postoperative complications after maxillofacial fracture. Materials and methods: In this study, nine patients with a postoperative complication after maxillofacial fracture who had been performed the initial operation from other units and were referred to the authors' department had been included...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
Sanghoon Lee, Hye-Min Cho, Jin-Kyu Kim, Woong Nam
Background: Some of head and neck cancer patients are in compromised general condition after ablation surgery and chemoradiation therapy, which makes secondary free tissue transfer quite challenging. Elderly cancer patients also have some risk for microvascular surgery with lengthened general anesthesia. In those cases, the pedicled flap vascularized by supraclavicular artery could be considered as an alternative to free flap. Despite several authors have demonstrated the clinical reliability of supraclavicular artery island flap (SCAIF), to date, SCAIF has not been widely used among reconstructive surgeon...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
Su-Been Yu, Bong-Gyu Song, Kyeong-Jun Cheon, Ju-Won Kim, Young-Hee Kim, Byoung-Eun Yang
Background: This study aimed to evaluate the mechanical, biological, and esthetic stability of a zirconium abutment according to evidence-based dentistry. Main text: An electronic search was performed. Domestic studies were found using the keywords "zirconia abutments" and "zirconium abutment" in KMbase, KoreaMed, and the National Assembly Library, and international studies were found using the same keywords in PubMed. All identified studies were divided by evidence level from the viewpoint of the research type utilizing the evidence-based review manual...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
Ji Yun Choi, Hyo Joon Kim, Seong Yong Moon
Temporalis tendon transfer is a technique for dynamic facial reanimation. Since its inception, nearly 80 years ago, it has undergone a wealth of innovation to produce the modern operation. Temporalis tendon transfer is a relatively minimally invasive technique for the dynamic reanimation of the paralyzed face. This technique can produce significant and appropriate movement of the lateral oral commissure, more closely mimicking the normal side. The aim of this article is to review the technique of temporalis tendon transfer involving transferring of the coronoid process of the mandible with the insertion of the temporalis tendon via intra-oral and transcutaneous approach...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
Joohee Jeong, Akram Abdo Almansoori, Hyun-Soo Park, Soo-Hwan Byun, Seung-Ki Min, Han-Wool Choung, Joo Yong Park, Sung Weon Choi, Bongju Kim, Soung-Min Kim, Jong-Ho Lee
Background: Cross-facial nerve graft is considered the treatment of choice for facial reanimation in patients with unilateral facial palsy caused by central facial nerve damage. In most cases, a traditional parotidectomy skin incision is used to locate the buccal and zygomatic branches of the facial nerve. Methods: In this study, cross-facial nerve graft with the sural nerve was planned for three patients with facial palsy through an intraoral approach. Results: An incision was made on the buccal cheek mucosa, and the dissection was performed to locate the buccal branch of the facial nerve...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
Sang-Yun Kim, Young-Kyun Kim, Pil-Young Yun, Ji-Hyun Bae
Background: The purpose of this study was to evaluate the clinical outcomes of treatment of non-odontogenic atypical orofacial pain using botulinum toxin-A. Methods: This study involved seven patients (seven females, mean age 65.1 years) who had non-odontogenic orofacial pain (neuropathic pain and atypical orofacial pain) and visited the Seoul National University Bundang Hospital between 2015 and 2017. All medication therapies were preceded by botulinum toxin-A injections, followed by injections in the insignificant effects of medication therapies...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
Angelos Mantelakis, Michalis Iosifidis, Zaid B Al-Bitar, Vyron Antoniadis, David Wertheim, Umberto Garagiola, Farhad B Naini
Background: In the absence of clear guidelines for facial aesthetic surgery, most surgeons rely on expert intuitive judgement when planning aesthetic and reconstructive surgery. One of the most famous theories regarding "ideal" facial proportions is that of the golden proportion. However, there are conflicting opinions as to whether it can be used to assess facial attractiveness. The aim of this investigation was to assess facial ratios of professional black models and to compare the ratios with the golden proportion...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
Kwang-Jun Kwon, Hyun Seok, Jang-Ha Lee, Min-Keun Kim, Seong-Gon Kim, Hyung-Ki Park, Hang-Moon Choi
Background: Calcium pyrophosphate dihydrate deposition disease (CPDD) is a rare disease in the temporomandibular joint (TMJ) space. It forms a calcified crystal mass and induces a limitation of joint movement. Case presentation: The calcified mass in our case was occupied in the left TMJ area and extended to the infratemporal and middle cranial fossa. For a complete excision of this mass, we performed a vertical ramus osteotomy and resected the mass around the mandibular condyle...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
Yu-Jeong Shin, Yongsoo Kim
Background: Velopharyngeal insufficiency that accompanies speech resonance and articulation disorders can be managed through several intervention methods such as speech-language therapy, prosthetic aids, and surgery. However, for patients with severe hypernasality, surgical interventions are highly recommended. Among available surgical techniques, the posterior pharyngeal flap is most common. Case presentation: Two adult males with high nasalance scores underwent superiorly based posterior pharyngeal flap surgery, followed by speech testing by an expert speech-language therapist...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
Philipp Kauffmann, Robert Cordesmeyer, Giséle Awondzeko Fouellefack, Boris Schminke, Karl-Günther Wiese
Background: Clefts in newborns are associated with severe morphological and functional impairment. Especially the lip is of importance as if the treatment result is unsatisfactory, it can lead to psychological changes in the patient. Different operative procedures have been developed over the last decades. The aim of the presented study was the comparison of the surgical techniques according to Millard and Pfeifer regarding the temporal development of the postoperative symmetry of the lip height and mouth width...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
Gian Paolo Bombeccari, Umberto Garagiola, Valentina Candotto, Francesco Pallotti, Francesco Carinci, Aldo Bruno Giannì, Francesco Spadari
Background: Proliferative verrucous leukoplakia (PVL) is an oral potentially malignant disorder, characterized by multifocal expression, progressive clinical evolution, and a high rate of malignant transformation. Evidence-based information regarding optimal PVL management is lacking, due to the paucity of data. The present report describes a case of PVL associated with HPV-16 infection and epithelial dysplasia treated by diode laser surgery, and the outcome of disease clinical remission over a 2-year follow-up period...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
Jin Hoo Park, Hwi-Dong Jung, Hyung Jun Kim, Young-Soo Jung
Background: The purpose of this study was to identify the location of the antilingula, lingula, and mandibular foramen in Korean cadavers and to promote safe and accurate surgery without damage to the inferior alveolar neurovascular bundle (IANB) when performing a vertical ramus osteotomy (VRO). Methods: This study was conducted on the dried mandibles of 20 adult cadavers. Digital calipers were used to measure the distances from the anatomical reference points (antilingula, lingula, and mandibular foramen)...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
Chul-Hong Koo, Jae-Hoon Lee
Background: Bisphosphonate (BP) has the ability to thicken the cortical bone. In addition, it has been reported that the cortical bone thickened by BP has relation to the medication-related osteonecrosis of the jaw (MRONJ). Therefore, the objective of this article is to analyze the ratio as well as thickness of cortical bone in the mandible using computed tomography (CT) and to evaluate it as the predictive factor of MRONJ. Methods: The thickness of the cortical bone was measured on a paraxial view of the CT showing the mental foramen in 95 patients: 33 patients with MRONJ (3 males, 30 females), 30 patients taking BP without MRONJ (2 males, 28 females), and 32 controls (9 males, 28 females)...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
Tae-Geon Kwon
No abstract text is available yet for this article.
December 2018: Maxillofacial Plastic and Reconstructive Surgery
Byung-Joon Choi, Byung-Soo Kim, Ji-Min Lim, Junho Jung, Jung-Woo Lee, Joo-Young Ohe
Background: We evaluated change in the mandibular condyle after orthognathic surgery using cone-beam computed tomography (CBCT) in patients with facial asymmetry. Methods: Thirty patients with skeletal class III malocclusion and mandibular prognathism or facial asymmetry were classified into two groups according to the amount of menton deviation (MD) from the facial midline on anteroposterior (AP) cephalogram: group A (asymmetry, MD ≥ 4 mm; n  = 15) and group B (symmetry, MD < 4 mm; n  = 15)...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
Dae-Seok Hwang, Jinyoung Park, Uk-Kyu Kim, Hae-Ryoun Park, Gyoo-Cheon Kim, Mi-Heon Ryu
Background: Squamous cell carcinoma (SCC) is the most commonly occurring malignant tumor in the oral cavity. In South Korea, it occurs most frequently in the mandible, tongue, maxilla, buccal mucosa, other areas of the oral cavity, and lips. Radial forearm free flap (RFFF) is the most widely used reconstruction method for the buccal mucosal defect. The scar of the forearm donor, however, is highly visible and unsightly, and a secondary surgical site is needed when such technique is applied...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
Ju-Won Kim, You-Young Jo, Hae Yong Kweon, Dae-Won Kim, Seong-Gon Kim
Background: The objective of this study was to evaluate the changes in gene expression after incubation of cells with proteins released from different silk mat layers. Methods: A silk cocoon from Bombyx mori was separated into four layers of equal thickness. The layers were numbered from 1 to 4 (from the inner to the outer layer). The proteins were released by sonication of a silk mat layer in normal saline. The concentration of proteins was determined by spectrophotometry...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
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