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Journal of the Korean Association of Oral and Maxillofacial Surgeons

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https://www.readbyqxmd.com/read/28462200/malignant-lymphoma-on-parotid-gland-a-clinical-case
#1
Hyeong-Geun Lee, Jae-Yeol Lee, Jae-Min Song
Non-Hodgkin's lymphoma on the parotid gland is a relatively rare occurrence among head and neck tumors. The mass of parotid gland lymphoma cannot be distinguished from other benign masses of the parotid gland; therefore, it is important to consider lymphoma in the differential diagnosis when examining parotid swellings and masses. Parotid gland lymphoma is most likely to be B-cell, non-Hodgkin's lymphoma of one of three types, which include follicular, marginal zone, and diffuse large B-cell, although other histologic patterns have been described...
April 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28462199/giant-cell-tumor-of-temporomandibular-joint-masquerading-as-temporomandibular-joint-pain-dysfunction-syndrome-a-rare-case-report
#2
Jo Ee Sam, Rullyandrianto Pan Nuriman Rachmat, Cri Saiful Jordan Melano, Nasser Abdul Wahab
Giant cell tumor (GCT) of the craniofacial bones has been reported but they are not common. This tumor occurs more often in women than in men and predominantly affects patients around the third to fifth decade of life. GCTs are generally benign but can be locally aggressive as well. We report a case of GCT involving the temporomandibular joint (TMJ), which was initially thought to be temporomandibular disorder (TMD). A 22-year-old female presented with swelling and pain over the right temporal region for 18 months associated with jaw locking and clicking sounds...
April 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28462198/intramuscular-hemangiomas-on-the-masseter-muscle-and-orbicularis-oris-muscle-a-report-of-two-cases
#3
Il-Kyu Kim, Ji-Hoon Seo, Hyun-Young Cho, Dong-Hwan Lee, Jun-Min Jang, Joon Mee Kim, In Suh Park
Intramuscular hemangioma (IMH) is a rare vascular disease involving skeletal muscle, comprising only 0.8% of hemangiomas. About 10% to 15% of IMHs occur in the head and neck region, mostly involving the masseter muscle. IMH occurs mostly in childhood, but is often not found until unexpected enlargement, pain, or cosmetic asymmetry occurs in adulthood. Several non-surgical treatments including cryotherapy, sclerosant injection, and arterial ligature have been described, but complete surgical resection is the curative intervention...
April 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28462197/a-rare-case-of-osteonecrosis-of-the-jaw-related-to-imatinib
#4
Massimo Viviano, Marco Rossi, Serena Cocca
Osteonecrosis of the jaw (ONJ) is commonly described as an adverse effect of the use of bisphosphonates. A few cases of ONJ associated with tyrosine kinase inhibitors (sunitinib, imatinib) have been reported in the literature and usually they occurred in patients simultaneously treated with bisphosphonates. We report an atypical case of ONJ related only to imatinib. A 72-year-old male patient was treated with imatinib for metastases from gastrointestinal stromal tumors (GISTs). The patient developed ONJ after 22 months of imatinib only therapy...
April 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28462196/aggressive-unicystic-ameloblastoma-affecting-the-posterior-mandible-late-diagnosis-during-orthodontic-treatment
#5
Sérgio Lúcio Pereira de Castro Lopes, Isadora Luana Flores, Thiago de Oliveira Gamba, Rivea Ines Ferreira-Santos, Mari Eli Leonelli de Moraes, Aline Alvarez Cabello, Paula Nascimento Moutinho
Maxillofacial images must be examined to find pathologies not identified during clinical examination. Unicystic ameloblastoma (UA) extending to the mandibular body and ramus was neglected on initial panoramic radiographic examination. After orthodontic therapy, a huge lesion was observed clinically and through imaging exams. After the conservative surgery, no recurrence was observed during five years of follow-up. This case emphasized the need for careful evaluation of patient images focusing on the oral diagnosis before any dental treatment planning, including orthodontic therapy...
April 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28462195/a-large-osteoid-osteoma-of-the-mandibular-condyle-causing-conductive-hearing-loss-a-case-report-and-review-of-literature
#6
Sunil Richardson, Rakshit Vijay Khandeparker, Kapil Sharma
Osteoid osteomas are benign skeletal neoplasms that are commonly encountered in the bones of the lower extremities, but are exceedingly rare in jaw bones with a prevalence of less than 1%. This unique clinical entity is usually seen in younger individuals, with nocturnal pain and swelling as its characteristic clinical manifestations. The size of the lesion is rarely found to be more than 2 cm. We hereby report a rare case of osteoid osteoma originating from the neck of the mandibular condyle that grew to large enough proportions to result in conductive hearing loss in addition to pain, swelling and restricted mouth opening...
April 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28462194/localization-of-mandibular-canal-and-assessment-of-the-remaining-alveolar-bone-in-posterior-segment-of-the-mandible-with-single-missing-tooth-using-cone-beam-computed-tomography-a-cross-sectional-comparative-study
#7
Saif Fahad Alrahaimi, Elluru Venkatesh
OBJECTIVES: Localization of the mandibular canal (MC) and measurement of the height and width of the available alveolar bone at the proposed implant site in the posterior segment of the mandible using cone-beam computed tomography (CBCT) in patients with a single missing tooth. MATERIALS AND METHODS: A cross-sectional study was performed where CBCT scans of the patients with a single missing tooth in the posterior segment of the mandible-premolar, I (1st) molar, and II (2nd) molar were used...
April 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28462193/surgical-management-of-idiopathic-bone-cavity-case-series-of-consecutive-27-patients
#8
Myoung-Sang You, Dong-Young Kim, Kang-Min Ahn
OBJECTIVES: Idiopathic bone cavity (IBC) is an uncommon intra-osseous cavity of unknown etiology. Clinical features of IBC are not well known and treatment modalities of IBC are controversial. The purpose of this study was to investigate the clinical characteristics of 27 IBC patients who underwent surgical exploration. MATERIALS AND METHODS: A total of 27 consecutive patients who underwent surgery due to a jaw bone cavity from April 2006 to February 2016 were included in this study...
April 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28462192/two-dimensional-and-volumetric-airway-changes-after-bimaxillary-surgery-for-class-iii-malocclusion
#9
Toraj Vaezi, Seyed Hossein Hosseini Zarch, Majid Eshghpour, Hamed Kermani
OBJECTIVES: Any change in maxilla and mandible position can alter the upper airway, and any decrease in the upper airway can cause sleep disorders. Thus, it is necessary to assess airway changes after repositioning of the maxilla and mandible during orthognathic surgery. The purpose of this study was to evaluate linear and volumetric changes in the upper airway after bimaxillary surgery to correct class III malocclusion via cone-beam computed tomography (CBCT) and to identify correlations between linear and volumetric changes...
April 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28462191/the-effect-of-decompression-as-treatment-of-the-cysts-in-the-jaws-retrospective-analysis
#10
Sun-Tae Lee, Su-Gwan Kim, Seong-Young Moon, Ji-Su Oh, Jae-Seek You, Jae-Sung Kim
OBJECTIVES: The purpose of this study is to evaluate the treatment efficacy of enucleation after decompression. MATERIALS AND METHODS: A total of 17 patients with cystic lesion of the jaw were treated with decompression followed by enucleation. Pre- and postdecompression panoramic radiographs were analyzed. RESULTS: The mean percentage of reduction after decompression was 64%. The reaction was graded as good (>80%) in five patients (29...
April 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28462190/mechanical-evaluation-of-the-use-of-conventional-and-locking-miniplate-screw-systems-used-in-sagittal-split-ramus-osteotomy
#11
Zarina Tatia Barbosa Vieira Santos, Douglas Rangel Goulart, Eder Alberto Sigua-Rodriguez, Leandro Pozzer, Sergio Olate, José Ricardo Albergaria-Barbosa
OBJECTIVES: The aim of this study was to compare the mechanical resistance of four different osteosyntheses modeled in two different sagittal split ramus osteotomy (SSRO) designs and to determine the linear loading in a universal testing machine. MATERIALS AND METHODS: An in vitro experiment was conducted with 40 polyurethane hemimandibles. The samples were divided into two groups based on osteotomy design; Group I, right angles between osteotomies and Group II, no right angles between osteotomies...
April 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28462189/short-dental-implants-in-the-posterior-maxilla-a-review-of-the-literature
#12
REVIEW
Zeinab Rezaei Esfahrood, Loghman Ahmadi, Elahe Karami, Shima Asghari
The purpose of this study was to perform a literature review of short implants in the posterior maxilla and to assess the influence of different factors on implant success rate. A comprehensive search was conducted to retrieve articles published from 2004 to 2015 using short dental implants with lengths less than 10 mm in the posterior maxilla with at least one year of follow-up. Twenty-four of 253 papers were selected, reviewed, and produced the following results. (1) The initial survival rate of short implants in the posterior maxilla was not related to implant width, surface, or design; however, the cumulative success rate of rough-surface short implants was higher than that of machined-surface implants especially in performance of edentulous dental implants of length <7 mm...
April 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28462188/the-role-of-nuclear-factor-i-c-in-tooth-and-bone-development
#13
REVIEW
Song Yi Roh, Joo-Cheol Park
Nuclear factor I-C (NFI-C) plays a pivotal role in various cellular processes such as odontoblast and osteoblast differentiation. Nfic-deficient mice showed abnormal tooth and bone formation. The transplantation of Nfic-expressing mouse bone marrow stromal cells rescued the impaired bone formation in Nfic(-/-) mice. Studies suggest that NFI-C regulate osteogenesis and dentinogenesis in concert with several factors including transforming growth factor-β1, Krüppel-like factor 4, and β-catenin. This review will focus on the function of NFI-C during tooth and bone formation and on the relevant pathways that involve NFI-C...
April 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28462187/timing-of-orthognathic-surgery-paradigm-shift-by-surgery-first-approach
#14
EDITORIAL
Ju-Hong Jeon
No abstract text is available yet for this article.
April 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28280713/stevens-johnson-syndrome-and-abuse-of-anabolic-steroids
#15
Serena Cocca, Massimo Viviano
Stevens-Johnson syndrome (SJS) is characterized by mucocutaneous tenderness and typical hemorrhagic erosions, erythema and epidermal detachment presenting as blisters and areas of denuded skin. SJS is often observed after drug use as well as after bacterial or viral infections. Several drugs are at high risk of inducing SJS, but there are no cases in the English literature regarding anabolic steroid use triggering SJS. In our paper, we describe a case in which use of anabolic androgenic steroids (AAS) was associated with SJS...
February 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28280712/malocclusion-after-open-reduction-of-midfacial-fracture-a-case-report
#16
Seong-Un Lim, Ki-Su Jin, Yoon-Sic Han, Ho Lee
Malocclusion is a serious complication of open reduction surgery for facial fractures. It is often caused by the lack of adequate consideration for the occlusal relationship before the trauma and intermaxillary fixation during the operation. This is a case report of postoperative malocclusion that occurred in a patient with a midfacial complex fracture.
February 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28280711/iatrogenic-subcutaneous-cervicofacial-emphysema-with-pneumomediastinum-after-class-v-restoration
#17
Sang-Woon Lee, Yoon-Hyuk Huh, Min-Sang Cha
Subcutaneous facial emphysema after dental treatment is an uncommon complication caused by the invasion of high-pressure air; in severe cases, it can spread to the neck, mediastinum, and thorax, resulting in cervical emphysema, pneumomediastinum, and pneumothorax. The present case showed subcutaneous cervicofacial emphysema with pneumomediastinum after class V restoration. The patient was fully recovered after eight days of conservative treatment. The cause of this case was the penetration of high-pressure air through the gingival sulcus, which had a weakened gingival attachment...
February 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28280710/the-postoperative-trismus-nerve-injury-and-secondary-angle-formation-after-partial-masseter-muscle-resection-combined-with-mandibular-angle-reduction-a-case-report
#18
Jeong-Hwan Kim, Seong-Un Lim, Ki-Su Jin, Ho Lee, Yoon-Sic Han
A patient, who underwent partial masseter muscle resection and mandibular angle reduction at a plastic surgery clinic, visited this hospital with major complaints of trismus and dysesthesia. A secondary angle formation due to a wrong surgical method was observed via clinical and radiological examinations, and the patient complained of trismus due to the postoperative scars and muscular atrophy caused by the masseter muscle resection. The need for a masseter muscle resection in square jaw patients must be approached with caution...
February 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28280709/chemosis-as-complication-in-transconjunctival-approach-for-orbital-trauma
#19
Sergio Olate, Celso Palmieri, Márcio de Moraes
The aim of this report was to discuss a complication resulting from a transconjunctival approach to treating an orbital fracture. A 30-year-old male patient presented with a fracture to the zygomatic orbital complex. He was treated with transconjunctival conventional surgical treatment. Two days after surgical treatment, the patient presented with secondary chemosis which was initially slight and then subsequently worsened. The clinical situation was managed with topical and systemic corticosteroids and resolved within one postoperative month...
February 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28280708/evaluation-of-postoperative-complications-according-to-treatment-of-third-molars-in-mandibular-angle-fracture
#20
Hye-Youn Lim, Tae-Young Jung, Sang-Jun Park
OBJECTIVES: The aim of this study was to evaluate the implication of third molars in postoperative complications of mandibular angle fracture with open reduction and internal fixation (ORIF). MATERIALS AND METHODS: Data were collected on patients who presented with mandibular angle fracture at our Department of Oral and Maxillofacial Surgery between January 2011 and December 2015. Of the 63 total patients who underwent ORIF and perioperative intermaxillary fixation (IMF) with an arch bar, 49 patients were identified as having third molars in the fracture line and were followed up with until plate removal...
February 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
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