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Journal of Oral and Maxillofacial Surgery

Riccardo Ambrogio
No abstract text is available yet for this article.
November 7, 2018: Journal of Oral and Maxillofacial Surgery
Kevin C Lee, Hossein E Jazayeri, Sung-Kiang Chuang
No abstract text is available yet for this article.
October 20, 2018: Journal of Oral and Maxillofacial Surgery
Zachary S Peacock, Cameron C Y Lee, Maria J Troulis, Leonard B Kaban
PURPOSE: To assess and update long-term outcomes of endoscopic condylectomy and costochondral graft (CCG) reconstruction for treatment of active idiopathic condylar resorption (ICR). PATIENTS AND METHODS: This study is a continuation of a retrospective cohort study of patients with active ICR who underwent bilateral condylectomies and CCG reconstruction from 1999 to 2016. Predictor variables were demographic and operative factors. The primary outcome variable was occlusal stability, as defined by normal overbite (1 to 4 mm) at latest follow-up...
October 18, 2018: Journal of Oral and Maxillofacial Surgery
Sang Hyun Song, Jun-Young Kim, Sung Hwa Lee, Jin Hoo Park, Hwi-Dong Jung, Young-Soo Jung
PURPOSE: Some clinicians are concerned that if an intraoral vertical ramus osteotomy (IVRO) is used to position the mandible posteriorly, the proximal segments should be positioned laterally to the distal segment, which could increase the transverse mandibular width, leading to esthetically unfavorable results. This study investigated short- and long-term postoperative transverse mandibular width changes in the soft and hard tissue after IVRO for mandibular prognathism. MATERIALS AND METHODS: The study comprised 44 patients who were treated with mandibular setback surgery using an IVRO...
October 18, 2018: Journal of Oral and Maxillofacial Surgery
Sang Min Lee, Jin-A Baek, Yongsoo Kim
PURPOSE: Extra-articular temporomandibular bony ankylosis between the zygomatic bone and coronoid process is a rare condition. Currently, there are fewer than 40 cases reported in the English-language literature. The aim of this study was to report a case of zygomatico-coronoid ankylosis with surgical intervention and a literature review. MATERIALS AND METHODS: Through a PubMed search from 1946 to February 2018, using the terms ("extra-capsular" OR "zygomatico-coronoid" OR "extra-articular") AND ("ankylosis"), 61 articles were initially identified...
October 18, 2018: Journal of Oral and Maxillofacial Surgery
Jeffrey C Posnick, Brian E Kinard
PURPOSE: Crowdsourcing is increasingly being used in medical research to obtain the opinion and perception of laypeople. We hypothesized that a layperson's perception of a patient with long-face dentofacial deformity is more favorable after orthognathic surgery than before surgery regarding perceived personality traits and emotional facial expressions. MATERIALS AND METHODS: We implemented a survey, distributed through's Mechanical Turk crowdsourcing platform, to compare 6 perceived personality traits and 6 perceived emotional traits before and after (>6 months) orthognathic surgery in patients through standardized photographs (3 facial views)...
October 16, 2018: Journal of Oral and Maxillofacial Surgery
Paolo Scolozzi, Sibylle Chatelain, Jacques Schrenzel, Tommaso Lombardi
No abstract text is available yet for this article.
October 16, 2018: Journal of Oral and Maxillofacial Surgery
Romain Nicot, Matthias Schlund, Gwenael Raoul
No abstract text is available yet for this article.
October 14, 2018: Journal of Oral and Maxillofacial Surgery
Daniella Cristina Borges, Paulo Rogério de Faria, Helvécio Marangon Júnior, Leonardo Bíscaro Pereira
Cementoblastoma is a rare benign odontogenic neoplasm of ectomesenchymal origin, accounting for fewer than 6% of all odontogenic tumors. Although the tumor characteristics are well known, the standard practice to treat this lesion is surgical excision and extraction of the affected tooth, with few reported cases using a tooth-conservative treatment approach. This report presents the case of a 33-year-old woman with cementoblastoma who underwent conservative treatment to preserve her tooth in the oral cavity...
October 12, 2018: Journal of Oral and Maxillofacial Surgery
Michael S Block
PURPOSE: Clinicians might decide to use a xenograft to reconstruct an osseous defect. Xenografts are processed differently depending on the manufacturer. The purpose of this article is to review the processing methods and clinical ramifications of these processing methods on the behavior of xenografts. MATERIALS AND METHODS: Differences in surface morphology of xenografts based on processing, xenografts used for sinus augmentation, onlay grafting using particulate xenografts, and available clinical trials are reviewed...
October 12, 2018: Journal of Oral and Maxillofacial Surgery
Jae-Hyuk Yang, Seung Bae Hwang, Jin Yong Shin, Si-Gyun Roh, Suk Choo Chang, Nae-Ho Lee
PURPOSE: Blowout fractures are common in midfacial trauma and often involve other parts of facial bones. Sometimes, patients have complications caused by inadequate management. Surgical indications, such as clinical symptoms, can be inaccurate owing to post-traumatic swelling or hematoma formation. Previous studies on the prediction of enophthalmos used the orbital volume ratio (OVR) or only the volume of herniated tissue. This study examined which of these values is more predictive of the degree of enophthalmos...
October 11, 2018: Journal of Oral and Maxillofacial Surgery
Lei Wang, Mei Zhang, Yuntao Zhu, Xin Zhang, Yongmei Yang, Chuanxin Wang
PURPOSE: Chemokine receptors are involved in tumor metastasis and can predict poor prognosis; however, the expression and clinicopathologic relevance of chemokine receptors in early-stage cancer remain largely unknown. This study measured the association between chemokine (C-C motif) receptor-4 (CCR4) expression and prognosis in patients with histologically node-negative (pN0) oral tongue cancer. MATERIALS AND METHODS: A retrospective analysis of CCR4 expression data from a consecutive case series of patients with pN0 oral cancer tongue was conducted...
October 11, 2018: Journal of Oral and Maxillofacial Surgery
Lorenzo Tavelli, Shayan Barootchi, Andrea Ravidà, Tae-Ju Oh, Hom-Lay Wang
PURPOSE: Palatal soft tissue graft harvesting is a common procedure in periodontal and implant dentistry. However, most of the complications after this procedure are associated with the underestimation of anatomic structures, such as the greater palatine artery (GPA). Therefore, the aim of this study was to provide guidelines for a safety zone for palatal harvesting. MATERIALS AND METHODS: A systematic search was conducted to identify cadaveric and computed tomography (CT) or cone beam CT studies assessing the location of the greater palatine foramen (GPF) and the path of the GPA in relation to the maxillary teeth...
October 11, 2018: Journal of Oral and Maxillofacial Surgery
Chen Zhou, Jin Li, Yaping Wu, Pengfei Diao, Jianrong Yang, Jie Cheng
PURPOSE: Although tumor-infiltrating lymphocytes (TILs) have been increasingly appreciated as novel biomarkers for prognostic prediction in cancer, little attention has been paid to the CD45RO+ memory TIL and its associations with clinical outcomes in oral squamous cell carcinoma (OSCC). The purpose of this study was to determine the associations between CD45RO+ TILs and clinicopathologic parameters and prognosis in OSCC. MATERIALS AND METHODS: Tissue sections of primary OSCC from 2 independent tertiary referral cancer centers (Nanjing and Wuxi, China) were retrospectively collected and subjected to immunohistochemical staining for CD45RO...
October 11, 2018: Journal of Oral and Maxillofacial Surgery
Farzin Sarkarat, Alireza Modarresi, Nasim Chiniforush, Lilia Yazdanparast, Vahid Rakhshan
PURPOSE: Except for a few case reports, there is no study on the efficacy of photodynamic therapy (PDT) in decreasing or preventing bisphosphonate-related osteonecrosis of the jaws (BRONJ). This preliminary animal study assessed the effectiveness of this clinical treatment. MATERIALS AND METHODS: Zoledronic acid was administered to 20 rats for 5 weeks. Two weeks later, a first molar was extracted from each rat. The rats were randomized to control and PDT groups...
October 11, 2018: Journal of Oral and Maxillofacial Surgery
Ya-Qiong Zhang, Xin Ye, Yuan Meng, Ya-Ning Zhao, Deng-Gao Liu, Guang-Yan Yu
PURPOSE: To quantify gland function before and after endoscopy-assisted lithectomy for patients with parotid stones and to analyze correlations among different evaluation modalities. MATERIALS AND METHODS: This study investigated 58 patients (27 men and 31 women) with a stone larger than 5 mm or multiple parotid stones who underwent successful endoscopy-assisted surgery at the authors' center from August 2007 through September 2017. Meticulous postoperative manipulations were administered routinely for 3 to 6 months to promote functional recovery of the affected gland...
October 11, 2018: Journal of Oral and Maxillofacial Surgery
Frank Sheng-Chun Chang, Dieter Paul Gebauer, Sally Burrows
PURPOSE: The objective of this prospective, randomized controlled pilot study of patients undergoing orthognathic surgery was to compare the hospital length of stay (LOS) in patients using intravenous patient-controlled analgesia (PCA) versus patients receiving scheduled and as-needed oral analgesia. PATIENTS AND METHODS: A total of 40 patients (19 male and 21 female patients) aged 15 to 56 years (mean, 20.73 years; standard deviation, 6.87 years) were recruited prospectively and randomized to PCA and non-PCA groups of equal size...
October 11, 2018: Journal of Oral and Maxillofacial Surgery
Arthur H Friedlander, Urie K Lee, John C Polanco, Hoang-Anh Tran, Tina I Chang, Robert S Redman
PURPOSE: Heightened levels of systemic inflammation documented by increased neutrophil-to-lymphocyte ratios (NLRs) characterize a robust atherosclerosis processes evidenced by carotid and coronary artery plaques at ultrasound and angiography with associated strokes and myocardial infarctions (MIs). Therefore, this study investigated whether calcified carotid artery plaques (CCAPs) on panoramic images (PIs), known to herald future stroke and MI, are associated with increased NLRs. MATERIALS AND METHODS: Using a cross-sectional study design, electronic medical records and PIs of non-Hispanic white men at least 55 years old who were treated by the dental service (January 1, 2017 to December 31, 2017) were retrieved...
October 11, 2018: Journal of Oral and Maxillofacial Surgery
Peter H Sutton, Jamie Gateno, Jeryl D English, Jaya Paranilam, John F Teichgraeber, James J Xia
PURPOSE: It is easier to judge facial deformity when the patient's head is in anatomic position. The purposes of this study were to determine 1) whether a group of expert observers would agree more than a group of nonexperts on what is the correct anatomic position of the head, 2) whether there would be more variation in the alignment of an asymmetrical face compared with a symmetrical one, and 3) whether the alignments of experts would be more repeatable than those of nonexperts. MATERIALS AND METHODS: Thirty-one orthodontists (experts) and 31 dental students (nonexperts) were recruited for this mixed-model study...
October 11, 2018: Journal of Oral and Maxillofacial Surgery
Max R Emmerling, Teresa A York, John F Caccamese
Melanotic neuroectodermal tumor of infancy (MNTI) is a rare pigmented tumor of the head and neck, which most commonly presents during the first year of life. Most cases present in the bones of the craniofacial region, including the maxilla (60.3%), skull (18.1%), and mandible (10.3%). The alveolar crest of the anterior maxilla is the most common site. MNTIs are locally aggressive, but benign, lesions derived from neural crest cells. However, they have a high rate of recurrence, and ≤6.5% of cases will demonstrate metastasis to lymph nodes or distant organs...
October 5, 2018: Journal of Oral and Maxillofacial Surgery
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