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Journal of Cranio-maxillo-facial Surgery

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https://www.readbyqxmd.com/read/30528562/evaluation-of-teriparatide-effect-on-healing-of-autografted-mandibular-defects-in-rats
#1
Mohammad Zandi, Arash Dehghan, Faezeh Gheysari, Leila Rezaeian, Naser Mohammad Gholi Mezerji
OBJECTIVE: To evaluate the effects of short-term teriparatide administration on healing of autologous bone graft in mandibular critical-size defects. SUBJECTS AND METHODS: A 5-mm mandibular bone defect was created and iliac bone graft was harvested in 135 rats. Rats were randomly divided into 3 groups of negative control (NC), control (C), and study (S). In groups S and C, iliac graft was placed in defect and 2 μg/kg/day teriparatide or saline, respectively, was administered for 20 days...
November 23, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/30528947/the-limited-role-of-elective-neck-dissection-in-patients-with-cn0-salivary-gland-carcinoma
#2
Kai Qian, Kai Guo, Xiaoke Zheng, Wenyu Sun, Tuanqi Sun, Lili Chen, Ding Ma, Yi Wu, Qinghai Ji, Zhuoying Wang
PURPOSE: To evaluate whether elective neck dissection (END) was beneficial for cN0 patients with salivary gland carcinoma. MATERIALS AND METHODS: The rates of regional failure-free survival and disease-free survival were calculated using Kaplan-Meier methods and Cox models. The risk factors for occult lymph node metastasis (OLNM) in cN0 patients undergoing END was analyzed using logistic regression. A nomogram was formulated to calculate the estimated probability of OLNM...
November 22, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/30545800/ex-vivo-and-in-vitro-validation-of-an-innovative-mandibular-condyle-implant-concept
#3
António Ramos, Luis M Gonzalez-Perez, Pedro Infante-Cossio, Michel Mesnard
PURPOSE: The purpose of this study is to pre-validate an inovative implant concept, and to compare the behavior of the mandibular condyle against a commercial Biomet implant in an ex vivo model and present results of the first cadaveric studies. MATERIALS AND METHODS: Three experimental cadaveric condyles were tested under three conditions: one intact, another with the Biomet model, and one with the innovative concept. The condyle was tested with a reaction of 300 N in all situations and the principal strains were measured...
November 16, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/30527632/investigating-the-cause-of-late-deformity-following-fronto-orbital-remodelling-for-metopic-synostosis-using-3d-ct-imaging
#4
Naiara Rodriguez-Florez, Aran Florez-Tapia, Noor U O Jeelani, Sylvia Schievano, David J Dunaway, Richard D Hayward
PURPOSE: Late deformity/indentation is well-recognised following fronto-orbital remodelling (FOR) for metopic synostosis. We hypothesise that if damage to temporalis muscle were a contributor, the thickness of soft tissue and bone in the affected area would be reduced. MATERIALS AND METHODS: Soft tissues and bone were separately segmented and reconstructed three-dimensionally from computed tomograms of 8 patients 1.5-18 years post-FOR performed at 16 ± 2 months for metopic synostosis and from 8 age-matched controls...
November 16, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/30527383/skull-base-reconstruction-with-pedicled-nasoseptal-flap-technique-indications-and-limitations
#5
Gilles Reuter, Olivier Bouchain, Laurent Demanez, Félix Scholtes, Didier Martin
Endoscopic skull base surgery allows extensive tumor resection but results in large defects requiring robust dural repair. The vascularized nasal septal flap pedicled on the posterior nasal septal artery is known to have an excellent success rate for dural defect coverage. Detailed step-by-step descriptions of the harvest and placement of this flap are scarce. Using a sketch, images, and a video, we describe a detailed method for endoscopically harvesting and placing a nasoseptal flap (NSF). We also describe the indications and the decision process leading to the use of NSF...
November 16, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/30527382/experience-with-5-ethanolamine-oleate-for-sclerotherapy-of-oral-vascular-anomalies-a-cohort-of-15-consecutive-patients
#6
Camila de Nazaré Alves de Oliveira Kato, Michel Campos Ribeiro, Márcio Bruno Figueiredo do Amaral, Soraya de Mattos Camargo Grossmann, Maria Cássia Ferreira de Aguiar, Ricardo Alves Mesquita
PURPOSE: To describe the effectiveness and safety of a sclerotherapy protocol with 5% ethanolamine oleate (EO) at 0.1 mL/3 mm for oral vascular anomalies (OVAs). Our hypothesis is that EO applied at a concentration of 5% may decrease the number of sessions necessary for clinical healing. MATERIALS AND METHODS: We describe a cohort of 15 consecutive patients. OVAs <20 mm were included. Clinical data of the OVAs were collected. Descriptive and bivariate statistical analyses were performed...
November 16, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/30527381/three-dimensional-evaluation-of-facial-asymmetry-in-patients-with-hemifacial-microsomia-using-stereophotogrammetry
#7
Diana Cassi, Giuditta Battistoni, Marisabel Magnifico, Chiara Di Blasio, Giuseppe Pedrazzi, Alberto Di Blasio
PURPOSE: To quantify the surface facial asymmetry in a group of young patients with hemifacial microsomia (HFM) and to investigate differences with a homogeneous sample of healthy subjects, using a novel stereophotogrammetric method. MATERIALS AND METHODS: Twelve patients (mean age 13.1 ± 3.1 years) with different degrees of HFM and 15 healthy controls (mean age 12.2 ± 3.5 years) were imaged with a stereophotogrammetric facial scanner. The root mean square error (RMSE) of the distances between the corresponding points of each original photograph and its mirror copy was calculated for the whole face and for each trigeminal third, as defined by the innervation of trigeminal branches...
November 16, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/30514603/immediate-dental-implant-placement-in-calvarial-bone-grafts-to-rehabilitate-the-severely-resorbed-edentulous-maxilla-a-prospective-pilot-study
#8
Thomas F Putters, Gerry M Raghoebar, Jenneke Klein-Nulend, Arjan Vissink, Jurjen Schortinghuis
PURPOSE: The aim of this study was to describe the surgical technique of immediate dental implant placement in calvarial grafts for augmentation of the severely resorbed maxilla and to assess the treatment results. METHODS: In 13 patients the maxilla was augmented with calvarial bone followed by simultaneous dental implant placement (total: 68 implants). In the frontal "knife edge" region, implants were inserted in the buccal plated area. In the maxillary sinus area, implants were inserted into alveolar bone that was plated buccally or palatally through the sinus window...
November 15, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/30497948/the-effect-of-disc-repositioning-and-post-operative-functional-splint-for-the-treatment-of-anterior-disc-displacement-in-juvenile-patients-with-class-ii-malocclusion
#9
Huimin Zhu, Dongmei He, Zhi Yang, Xinyu Song, Edward Ellis
PURPOSE: To evaluate the effect of temporomandibular joint (TMJ) disc repositioning and post-operative functional splint for the treatment of anterior disc displacement (ADD) in juvenile patients with Class II malocclusion. MATERIALS AND METHODS: Juvenile patients (≤20 years) who had bilateral TMJ ADD with and Class II malocclusion treated by disc repositioning and functional splints were included in the study. Magnetic resonance imaging (MRI) and cephalometric radiographs before surgery (T0), immediately after surgery (T1) and more than 3 months after surgery (T3) were obtained in all patients...
November 14, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/30527380/secondary-alveolar-bone-grafting-in-cleft-lip-and-palate-a-comparative-analysis-of-donor-site-morbidity-in-different-age-groups
#10
Andrzej Brudnicki, Martin Rachwalski, Łukasz Wiepszowski, Ewa Sawicka
INTRODUCTION: There is no consensus regarding the optimal timing for secondary alveolar bone grafting for clefts defects. We aimed to investigate the potential correlation between the age of patients during surgery, donor site symptoms, surgical time and hospitalization following this procedure. MATERIAL AND METHODS: The outcome of 195 consecutive alveolar bone grafting procedures among different age groups (mean: 7.1 years; range 1.8-40.5) was retrospectively assessed based on a chart review and purpose-prepared report forms...
November 12, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/30527379/an-in-vitro-evaluation-of-a-novel-design-of-miniplate-for-fixation-of-fracture-segments-in-the-transition-zone-of-parasymphysis-body-region-of-mandible-using-finite-element-analysis
#11
Abhay Datarkar, Shikha Tayal, Abhishek Thote, Manlio Galie
The mandibular parasymphysis and body regions are highly dynamic areas. They are constantly subjected to both occlusal and muscular forces. Fractures at this transition zone of the parasymphysis and body region thus represent a special pattern that creates a dilemma for the surgeons - whether to use one miniplate fixation or two miniplates as per Champy's guidelines. Mental nerve paresthesia is a very common complication due to dissection and stretching of the mental nerve in this region. Hence, an in-vitro research study of a novel twin fork design of miniplate is performed, which evaluates the biomechanical behavior using computerized finite element analysis...
November 12, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/30501926/cyanoacrylate-tissue-adhesive-or-silk-suture-for-closure-of-surgical-wound-following-removal-of-an-impacted-mandibular-third-molar-a-randomized-controlled-study
#12
Afisu A Oladega, Olutayo James, Wasiu L Adeyemo
AIM: The aim of the study was to compare postoperative sequelae and wound healing outcome following closure of surgical wound with either cyanoacrylate tissue adhesive or silk suture. METHODS: Subjects with mesio-angularly impacted mandibular third molar were allocated randomly into 2 equal groups. The control group had wound closure with silk suture and study group with cyanoacrylate tissue adhesive. Subjects were followed up for 7 postoperative days. Postoperative pain, swelling, trismus, bleeding, wound dehiscence and wound infection were evaluated...
November 12, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/30497950/reliable-manifestations-of-increased-intracranial-pressure-in-patients-with-syndromic-craniosynostosis
#13
So Young Kim, Jung Won Choi, Hyung-Jin Shin, So Young Lim
PURPOSE: Systematic examination of increased intracranial pressure (ICP) is important during the follow-up period after surgical repair of syndromic craniosynostosis. In these patients, postoperative progress can be unclear due to the involvement of multiple sutures and the high incidence of relapse due to the progressive nature of the disease and to genetic variability. In this study, we investigated the clinical manifestations of increased ICP in syndromic craniosynostosis patients before and after surgery...
November 12, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/30522796/the-feasibility-of-rib-grafts-in-long-span-mandibular-defects-reconstruction-a-long-term-follow-up
#14
Ahmed M A Habib, Shady A Hassan
AIMS: To evaluate the efficiency of reconstruction of long span mandibular defects using split rib bundle bone graft. MATERIALS AND METHODS: Six hundred patients with long span mandibular defects (more than 6 cm long), following resection of aggressive mandibular tumours, were reconstructed with split rib bundle bone graft technique. Immediate reconstruction was performed in all patients. A reconstruction plate was used to support the graft. Two ribs were harvested from the right side of the chest, split into four halves and used to restore the continuity of the mandible...
November 10, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/30503606/prognostic-significance-of-bone-morphogenetic-protein-6-bmp6-expression-clinical-and-pathological-factors-in-clinically-node-negative-oral-squamous-cell-carcinoma-oscc
#15
Petar Suton, Ante Bolanca, Lovorka Grgurevic, Igor Erjavec, Iva Nikles, Danko Muller, Spomenka Manojlovic, Slobodan Vukicevic, Mladen Petrovecki, Stjepan Dokuzovic, Ivica Luksic
Bone morphogenetic protein 6 (BMP6) has unique properties regarding structure and function in supporting bone formation during development and adult life. Despite its known role in various malignant tumors, the prognostic significance of BMP6 expression in oral squamous cell carcinoma (OSCC) remains unknown. The aim of the study was to investigate immunohistochemical expression of BMP6 in OSCC in correlation with clinical and pathological parameters, disease recurrence and survival. In addition, we investigated other parameters in order to identify prognosticators of neck metastases and final outcome...
November 10, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/30501927/recovery-pattern-following-bimaxillary-orthognathic-surgery-differences-between-sexes
#16
In-Seok Song, Jimi Choi, Un-Bong Baik, Jae-Jun Ryu, Jong-Woo Lim, Young-Jun Choi, Ui-Lyong Lee
The investigators hypothesized there would be differences between the sexes in recovery pattern following bimaxillary orthognathic surgery as measured by patient responses at 5 weeks postprocedure. A total of 378 participants underwent bimaxillary orthognathic surgery with or without adjunctive procedures. Participants received questionnaires 5 weeks postsurgery when they visited the outpatient clinic. The questionnaires include variances in surgical factors by sex, and postoperative symptoms which were most difficult to tolerate experiences by sex, respectively...
November 10, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/30497949/a-simple-method-to-estimate-the-linear-length-of-the-orbital-floor-in-complex-orbital-surgery
#17
Konstantinos Natsis, Maria Piagkou, Ioannis Chryssanthou, Georgios P Skandalakis, Georgios Tsakotos, Giannoulis Piagkos, Constantinus Politis
BACKGROUND: The orbital floor (OrF) and infraorbital rim (IOR) repair in cases of complete destruction is challenging mainly due to the fact that the defect length cannot be measured. The aim of the current study is to develop a method of calculating the Orf length by using the gender and the lengths of the medial, superior and lateral orbital walls (OrW) of the same orbit. MATERIAL AND METHODS: Ninety-seven (59 male and 38 female) European adult dry skulls were classified according to age: 20-39, 40-59 and 60 years and above...
November 9, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/30471937/treatment-of-end-stage-temporomandibular-joint-disorder-using-a-temporomandibular-joint-total-prosthesis-the-slovenian-experience
#18
Peter Balon, Aleš Vesnaver, Andrej Kansky, Miha Kočar, Luka Prodnik
PURPOSE: The aim of this study was to analyse treatment results after alloplastic temporomandibular joint replacement surgery. MATERIALS AND METHODS: Twelve patients who met the inclusion criteria underwent operation between the years 2012 and 2016 at the Department of Maxillofacial and Oral Surgery of the University Medical Centre Ljubljana, Slovenia. Seven patients had posttraumatic sequelae, 4 osteoarthritis and 1 psoriatic arthritis. We inserted 12 temporomandibular joint prostheses (Biomet- Lorenz)...
November 7, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/30471935/-flip-over-flap-in-two-stage-cleft-palate-repair
#19
Maurice Y Mommaerts, Karsten Kh Gundlach, Ana Tache
PURPOSE: This study served to evaluate a two-stage concept in cleft palate repair, including key use of a triangular hinge ("flip-over") flap, in order to prevent palatal fistulae. It uses data from a prospective registry established in 1991. MATERIALS AND METHODS: The concept entails Furlow soft palate repair (at 1 year of age) and hard palate closure (at 4 years) by a three-pronged approach [paring of the edges with or without postero-lateral relaxing incisions, peninsula (Veau) flap(s)], plus a triangular hinge flap...
November 6, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/30471938/electrochemotherapy-a-locoregional-therapy-with-well-established-palliative-effect-in-patient-with-large-recurrent-lesion-of-head-and-neck
#20
Barbara Pichi, Pellini Raul, Spriano Giuseppe
BACKGROUND: Electrochemotherapy (ECT) is a well established treatment strategy for skin tumors of different histology. The aim of this study was to evaluate the feasibility and efficacy of electrochemotherapy in the palliative setting in patients with head and neck malignancies, already treated with surgery and/or radio-chemotherapy with no other therapeutic option. METHODS: Thirty-six patients with a loco-regional M0/M1 relapse with no other therapeutic option not suitable for a cure with a radical intent by surgery or RT and not suitable for systemic therapy and/or already treated with it, were admitted to electrochemotherapy (ECT) protocol treatment...
October 26, 2018: Journal of Cranio-maxillo-facial Surgery
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