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Maxillofacial Plastic and Reconstructive Surgery

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https://read.qxmd.com/read/30733934/is-an-individual-journal-article-a-tiger-or-a-fox
#1
EDITORIAL
Seong-Gon Kim
No abstract text is available yet for this article.
December 2019: Maxillofacial Plastic and Reconstructive Surgery
https://read.qxmd.com/read/30687683/infratemporal-fossa-approach-the-modified-zygomatico-transmandibular-approach
#2
REVIEW
Soung Min Kim, Sun Ha Paek, Jong Ho Lee
Background: The infratemporal fossa (ITF) is an anatomical lateral skull base space composed by the zygoma, temporal, and the greater wing of the sphenoid bone. Due to its difficult approach, surgical intervention at the ITF has remained a heavy burden to surgeons. The aim of this article is to review basic skull base approaches and ITF structures and to avoid severe complications based on the accurate surgical knowledge. Methods: A search of the recent literature using MEDLINE (PubMed), Embase, Cochrane Library, and other online tools was executed using the following keyword combinations: infratemporal fossa, subtemporal fossa, transzygomatic approach, orbitozygomatic approach, transmaxillary approach, facial translocation approach, midface degloving, zygomatico-transmandibular approach, and lateral skull base...
December 2019: Maxillofacial Plastic and Reconstructive Surgery
https://read.qxmd.com/read/30671423/volume-change-pattern-of-decompression-of-mandibular-odontogenic-keratocyst
#3
Jin Hoo Park, Eun-Jung Kwak, Ki Sung You, Young-Soo Jung, Hwi-Dong Jung
Objectives: This study was aimed to analyze the reducing pattern of decompression on mandibular odontogenic keratocyst and to determine the proper time for secondary enucleation. Materials and methods: Seventeen patients with OKC of the mandible were treated by decompression. Forty-five series of CT data were taken during decompression and measured by using InVivo software (Anatomage, San Jose, Calif) and were analyzed. Results: The expected relative volume during decompression is calculated using the following formula: V ( t ) =  V initial  × exp...
December 2019: Maxillofacial Plastic and Reconstructive Surgery
https://read.qxmd.com/read/30687682/lateral-alveolar-ridge-augmentation-procedure-using-subperiosteal-tunneling-technique-a-pilot-study
#4
Ashish Kakar, Kanupriya Kakar, Bappanadu H Sripathi Rao, Annette Lindner, Heiner Nagursky, Gaurav Jain, Aditya Patney
Background: In this research article, we evaluate the use of sub-periosteal tunneling (tunnel technique) combined with alloplastic in situ hardening biphasic calcium phosphate (BCP, a compound of β-tricalcium phosphate and hydroxyapatite) bone graft for lateral augmentation of a deficient alveolar ridge. Methods: A total of 9 patients with deficient mandibular alveolar ridges were included in the present pilot study. Ten lateral ridge augmentation were carried out using the sub-periosteal tunneling technique, including a bilateral procedure in one patient...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
https://read.qxmd.com/read/30613574/in-vivo-protein-expression-changes-in-mouse-livers-treated-with-dialyzed-coffee-extract-as-determined-by-ip-hplc
#5
Cheol Soo Yoon, Min Keun Kim, Yeon Sook Kim, Suk Keun Lee
Background: Coffee extract has been investigated by many authors, and many minor components of coffee are known, such as polyphenols, diterpenes (kahweol and cafestol), melanoidins, and trigonelline, to have anti-inflammatory, anti-oxidant, anti-angiogenic, anticancer, chemoprotective, and hepatoprotective effects. Therefore, it is necessary to know its pharmacological effect on hepatocytes which show the most active cellular regeneration in body. Methods: In order to determine whether coffee extract has a beneficial effect on the liver, 20 C57BL/6J mice were intraperitoneally injected once with dialyzed coffee extract (DCE)-2...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
https://read.qxmd.com/read/30613573/bilateral-cleft-lip-repair-with-simultaneous-premaxillary-setback-and-primary-limited-rhinoplasty
#6
Young-Wook Park, Chan-Woo Kim
Background: Functional closure of the orbicularis oris muscle and esthetic reconstruction of nasolabial components are impossible in patients with severely deformed premaxilla. Here, we review a surgical strategy for patients with unremedied premaxilla retrospectively. Results: Vomerine ostectomy and premaxillary setback with nasolabial repair were performed in 12 patients with bilateral cleft lip and palate. The mean age of patients was 21.7 months. The extent of ostectomy varied between 3 and 11 mm...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
https://read.qxmd.com/read/30596060/rhabdomyolysis-after-the-free-fibular-flap-operation-for-mandibular-reconstruction-a-case-report
#7
Won-Hyuk Choi, Yong-Deok Kim, Jae-Min Song, Jae-Yeol Lee
Background: Free fibular flap is one of the most useful methods in the hard tissue reconstruction of the maxilla-mandible. Free fibular flap presents some advantages in which the reconstruction of both soft and hard tissues can be done at the same time. It also provides a safe and successful bone graft for the reconstruction, along with a low rate of complications. Despite these advantages and the rarity of a postoperative complication, particularly in oral and maxillofacial surgery procedures, a prolonged operation might exhibit some complications related with rhabdomyolysis...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
https://read.qxmd.com/read/30591916/aberrant-growth-of-the-anterior-cranial-base-relevant-to-severe-midface-hypoplasia-of-apert-syndrome
#8
Bong Kuen Cha, Dong Soon Choi, In San Jang, Hyun Tae Yook, Seung Youp Lee, Sang Shin Lee, Suk Keun Lee
Background: A 9-year-old male showed severe defects in midface structures, which resulted in maxillary hypoplasia, ocular hypertelorism, relative mandibular prognathism, and syndactyly. He had been diagnosed as having Apert syndrome and received a surgery of frontal calvaria distraction osteotomy to treat the steep forehead at 6 months old, and a surgery of digital separation to treat severe syndactyly of both hands at 6 years old. Nevertheless, he still showed a turribrachycephalic cranial profile with proptosis, a horizontal groove above supraorbital ridge, and a short nose with bulbous tip...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
https://read.qxmd.com/read/30588476/life-threating-outcomes-after-dental-implantation-in-patient-with-idiopathic-thrombocytopenic-purpura-a-case-report-and-review-of-literature
#9
Sung-Tak Lee, Jin-Wook Kim, Tae-Geon Kwon
Background: Patients with chronic ITP (idiopathic thrombocytopenia) frequently do not require comprehensive medication for daily life. Usually, it had been regarded that postoperative bleeding after a simple or surgical extraction is easily controlled by simple local measures even in patients with ITP. This lack of regular medication usage can sometimes lead practitioners or patients to underestimate the potential life-threatening risk of ITP. There had been no report on postoperative hemorrhage in a patient with ITP related to dental implant surgery...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
https://read.qxmd.com/read/30588475/midfacial-degloving-approach-for-management-of-the-maxillary-fibrous-dysplasia-a-case-report
#10
Miju Kang, Yu-Jin Jee, Deok Won Lee, Sang-Pil Jung, Se-Won Kim, Sunin Yang, Dong-Mok Ryu
Background: Fibrous dysplasia (FD) is a benign bone lesion characterized by the progressive replacement of normal bone with fibro-osseous connective tissue. The maxilla is the most commonly affected area of facial bone, resulting in facial asymmetry and functional disorders. Surgery is an effective management option and involves removing the diseased bone via an intraoral approach: conservative bone shaving or radical excision and reconstruction. Case presentation: This case report describes a monostotic fibrous dysplasia in which the patient's right midface had a prominent appearance...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
https://read.qxmd.com/read/30581811/reconstruction-of-the-orbital-wall-using-superior-orbital-rim-osteotomy-in-a-patient-with-a-superior-orbital-wall-fracture
#11
Jae Jin Heo, Ji-Hun Chong, Jeong Joon Han, Seunggon Jung, Min-Suk Kook, Hee-Kyun Oh, Hong-Ju Park
Background: Fractures of the orbital wall are mainly caused by traffic accidents, assaults, and falls and generally occur in men aged between 20 and 40 years. Complications that may occur after an orbital fracture include diplopia and decreased visual acuity due to changes in orbital volume, ocular depression due to changes in orbital floor height, and exophthalmos. If surgery is delayed too long, tissue adhesion will occur, making it difficult to improve ophthalmologic symptoms. Thus, early diagnosis and treatment are important...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
https://read.qxmd.com/read/30581810/orthognathic-surgery-for-patients-with-fibrous-dysplasia-involved-with-dentition
#12
Santhiya Iswarya Vinothini Udayakumar, Jun-Young Paeng, So-Young Choi, Hong-In Shin, Sung-Tak Lee, Tae-Geon Kwon
Background: Fibrous dysplasia (FD) is characterized by the replacement of normal bone by abnormal fibro-osseous connective tissue and typically treated with surgical contouring of the dysplastic bone. When dysplastic lesions involve occlusion, not only is surgical debulking needed, orthognathic surgery for correction of dentofacial deformity is mandatory. However, the long-term stability of osteotomized, dysplastic bone segments is a major concern because of insufficient screw-to-bone engagement during surgery and the risk of FD lesion re-growth...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
https://read.qxmd.com/read/30538972/the-effect-of-botulinum-toxin-a-injection-into-the-masseter-muscles-on-prevention-of-plate-fracture-and-post-operative-relapse-in-patients-receiving-orthognathic-surgery
#13
Sung-Ho Shin, Yei-Jin Kang, Seong-Gon Kim
Background: Botulinum toxin-A (BTX-A) injection into muscle reduces muscular power and may prevent post-operative complication after orthognathic surgery. The purpose of this study was (1) to evaluate BTX-A injection into the masseter muscle on the prevention of plate fracture and (2) to compare post-operative relapse between the BTX-A injection group and the no injection group. Methods: Sixteen patients were included in this study. Eight patients received BTX-A injection bilaterally, and eight patients served as control...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
https://read.qxmd.com/read/30538971/mandibular-reconstruction-with-a-ready-made-type-and-a-custom-made-type-titanium-mesh-after-mandibular-resection-in-patients-with-oral-cancer
#14
Won-Bum Lee, Won-Hyuk Choi, Hyeong-Geun Lee, Na-Rae Choi, Dae-Seok Hwang, Uk-Kyu Kim
Background: After the resection at the mandibular site involving oral cancer, free vascularized fibular graft, a type of vascularized autograft, is often used for the mandibular reconstruction. Titanium mesh (T-mesh) and particulate cancellous bone and marrow (PCBM), however, a type of non-vascularized autograft, can also be used for the reconstruction. With the T-mesh applied even in the chin and angle areas, an aesthetic contour with adequate strength and stable fixation can be achieved, and the pores of the mesh will allow the rapid revascularization of the bone graft site...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
https://read.qxmd.com/read/30525010/development-of-an-experimental-model-for-radiation-induced-inhibition-of-cranial-bone-regeneration
#15
Hong-Moon Jung, Jeong-Eun Lee, Seoung-Jun Lee, Jung-Tae Lee, Tae-Yub Kwon, Tae-Geon Kwon
Background: Radiation therapy is widely employed in the treatment of head and neck cancer. Adverse effects of therapeutic irradiation include delayed bone healing after dental extraction or impaired bone regeneration at the irradiated bony defect. Development of a reliable experimental model may be beneficial to study tissue regeneration in the irradiated field. The current study aimed to develop a relevant animal model of post-radiation cranial bone defect. Methods: A lead shielding block was designed for selective external irradiation of the mouse calvaria...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
https://read.qxmd.com/read/30505827/vertical-distraction-osteogenesis-of-a-reconstructed-mandible-with-a-free-vascularized-fibula-flap-a-report-of-two-cases
#16
Naoaki Saito, Akinori Funayama, Yoshiaki Arai, Daisuke Suda, Yoshiyuki Takata, Tadaharu Kobayashi
Background: The free vascularized fibula flap presents many advantages such as sufficient length of the bony segment, good vascularization, better quality of the bone, and a long vascular pedicle, but it is also associated with some disadvantages with regard to prosthetic rehabilitation because of its limited height. Improvement in bone height is necessary for ideal dental implant treatment of reconstructed mandibles. Case presentation: For two squamous cell carcinoma patients, mandibular bone reconstruction was performed secondarily with the peroneal flap after tumor resection...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
https://read.qxmd.com/read/30474021/three-dimensional-analysis-of-changes-in-airway-space-after-bimaxillary-orthognathic-surgery-with-maxillomandibular-setback-and-their-association-with-obstructive-sleep-apnea
#17
Seung-Il Jang, Jaemyung Ahn, Jun Young Paeng, Jongrak Hong
Background: Bimaxillary orthognathic surgery with maxillomandibular setback is often accompanied by changes in airway space. We analyzed the changes in airway space before and after surgery and assessed their association with obstructive sleep apnea. Methods: This study is based on the cohort of 13 adult patients (9 males, 4 females, average age 23.85 years) who underwent bimaxillary orthognathic surgery with maxillomandibular setback.We performed computed tomography and portable polysomnography before and after the surgery to assess changes in airway space and Apnea-Hypopnea Index (AHI) values (total, supine, non-supine)...
December 2018: Maxillofacial Plastic and Reconstructive Surgery
https://read.qxmd.com/read/30430101/three-dimensional-analysis-of-the-anterior-loop-of-the-inferior-alveolar-nerve-in-relation-to-the-growth-pattern-of-the-mandibular-functional-subunit
#18
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
https://read.qxmd.com/read/30397593/verrucous-carcinoma-arising-from-a-previous-cystic-lesion-a-case-report
#19
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
https://read.qxmd.com/read/30370262/fracture-patterns-and-causes-in-the-craniofacial-region-an-8-year-review-of-2076-patients
#20
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
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