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Maxillofacial reconstruction

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https://www.readbyqxmd.com/read/29775558/reconstructing-a-traumatic-empty-orbit-principles-difficulties-of-treatment-and-literature-review
#1
REVIEW
Panagiotis Stathopoulos, Philip Ameerally
PURPOSE: This report describes the case of a serious orbital injury in which the globe was completely displaced into the nasal cavity and the orbit was clinically empty. The authors discuss the difficulties encountered in the management of this patient and their principles in the reconstruction of a complex defect. MATERIALS AND METHODS: In this rare case of severe injury, the authors used a combined transconjunctival and ethmoidal approach to retrieve the displaced globe from the nasal cavity...
April 21, 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29773240/perioperative-risk-factors-that-predict-complications-of-radial-forearm-free-flaps-in-oral-and-maxillofacial-reconstruction
#2
C Wang, G Fu, F Liu, L Liu, M Cao
The aim of the study was to find out what perioperative risk factors predicted complications in patients having reconstructions with radial forearm free flaps (RFFF). We organised a retrospective study of 169 patients (mean (range) age 54 (22-86) years, 100 of whom were female) who had oral and maxillofacial tumours resected, and reconstructed with RFFF, from January 2011-December 2016. We recorded predictive variables, subdivided into: personal and clinical (sex, age, weight, coexisting conditions, history of smoking, radiotherapy, and primary lesions); haemodynamic (perioperative concentrations of haemoglobin and albumin, blood loss, blood transfusion, urinary output (ml), and rate (ml/kg/hour), and infusion rates for crystalloids and colloids (ml/kg/hour, and volumes given intraoperatively and postoperatively for 24hours); and anaesthetic and surgical (American Society of Anesthesiologists(ASA) grade, visual analogue pain score (VAS), and duration of tourniquet and operation)...
May 14, 2018: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/29772190/serum-metal-levels-in-maxillofacial-reconstructive-surgery-patients-a-pilot-study
#3
Louis G Mercuri, Michael Miloro, Anastasia K Skipor, Divya Bijukumar, Cortino Sukotjo, Mathew T Mathew
PURPOSE: The aim of this pilot study was to assay metal concentrations in the serum of patients who had undergone dental implant placement, orthognathic surgery using rigid metal fixation plates and screws, and total temporomandibular joint replacement (TMJ TJR). MATERIALS AND METHODS: Thirty patients were identified and included in this pilot study. Sixteen patients (9 men and 8 women), with an average age of 44 years (range, 19 to 79 yr), provided informed consent to participate and were divided into 3 study groups with 4 patients in each (group 1, orthognathic surgery; group 2, TMJ TJR; and group 3, dental implant placement)...
April 21, 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29761995/-the-progress-of-research-on-three-dimensional-printed-jaw-scaffolds
#4
REVIEW
Shuaishuai Cao, Miao Zhou
Large defects of jaw caused by tumor, trauma and so on in oral and maxillofacial region lead to facial deformity, language and chewing dysfunction, which severely damage the patient's life quality. Three-dimensional printing (3DP) is also named additive manufacturing (AM), which can print materials layer by layer to create three-dimensional objects. The complex shape of jaw defects can be accurately reconstructed using 3DP scaffold combined with image data, computer-aided-design and manufacture. It has specific advantages compared with traditional way of jaw reconstruction and has attracted much attention in the field of jaw tissue engineering recently...
December 1, 2017: Sheng Wu Yi Xue Gong Cheng Xue za Zhi, Journal of Biomedical Engineering, Shengwu Yixue Gongchengxue Zazhi
https://www.readbyqxmd.com/read/29758290/proteome-response-of-dental-pulp-cells-to-exogenous-fgf8
#5
Rozaliya Tsikandelova, Petko Mladenov, Sébastien Planchon, Silvia Kalenderova, Maria Dragneva, Zornitsa Mihaylova, Pavel Stanimirov, Vanyo Mitev, Jenny Renaut, Nikolay Ishkitiev
FGF8 specifies early tooth development by directing the migration of the early tooth founder cells to the site of tooth emergence. To date the effect of the FGF8 in adult dental pulp has not been studied. We have assessed the regenerative potential of FGF8 by evaluating changes in the proteome landscape of dental pulp following short- and long-term exposure to recombinant FGF8 protein. In addition, we carried out qRT PCR analysis to determine extracellular/adhesion gene marker expression and assessed cell proliferation and mineralization in response to FGF8 treatment...
May 11, 2018: Journal of Proteomics
https://www.readbyqxmd.com/read/29747901/use-of-a-microvascular-coupler-device-for-end-to-side-venous-anastomosis-in-oral-and-maxillofacial-reconstruction
#6
W-M Wang, L Huang, X Gao, Y-X Yuan, X-Q Chen, X-C Jian
The aim of this study was to compare the use of a microvascular coupler device (MCD) for end-to-side venous anastomosis (ETS group) and phleboplasties combined with MCD for end-to-end venous anastomosis (ETE group) in free tissue transfer for oral and maxillofacial reconstruction, with regard to the anastomosis time and occurrence of postoperative vascular crisis. The ETS group included 22 patients and the ETE group included 40 patients. Patient demographic data, anastomotic time, coupler size, microvascular complications, and flap survival rates were collected and analyzed...
May 7, 2018: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29742577/surgical-management-of-the-recent-orbital-war-injury
#7
Safaa Riyadh, Saif Saadedeen Abdulrazaq, Ali Mhana Sabeeh Zirjawi
Maxillofacial trauma affects sensitive and essential functions for the human being such as smell, breathing, talking, and the most importantly the sight. Trauma to the orbit may cause a vision loss especially if this trauma yields a high kinetic energy like that encountered during wars. The purpose of the study was to evaluate the surgical outcomes of the orbital war trauma, enriching the literature with the experience of the authors in this field. A total of 16 patients were injured, evacuated, and managed, between June 2014 and June 2017, from the fight between the Iraqi army and the Islamic State of Iraq and Syria (ISIS) in different areas of Iraq...
May 8, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29736288/reconstruction-of-the-adult-hemifacial-microsomia-patient-with-temporomandibular-joint-total-joint-prosthesis-and-orthognathic-surgery
#8
Piero Cascone, Valentino Vellone, Valerio Ramieri, Emanuela Basile, Achille Tarsitano, Claudio Marchetti
Background: HFM patients' reconstruction has always been a challenge for maxillofacial surgeons, and numerous reconstructive techniques have been described. Surgical treatment depends on the patient's age and contemplates Temporomandibular Joint (TMJ) reconstruction in conjunction with orthognathic surgery, usually necessary following completion of growth to maximize the functional and esthetic results. Distraction osteogenesis had gained popularity as valid alternative in growing patients, but the two primary methods to reconstruct the TMJs involve the use of autogenous, using free or microvascular bone grafts, or alloplastic graft, but there is no widely accepted method...
2018: Case Reports in Surgery
https://www.readbyqxmd.com/read/29732952/clinical-comparison-of-scapular-fibular-and-iliac-crest-osseal-free-flaps-in-maxillofacial-reconstructions
#9
T Wilkman, A Husso, P Lassus
BACKGROUND AND AIMS: This study compared the three most used composite flaps in maxillofacial reconstructions in our institute. PATIENTS AND METHODS: Between 2000 and 2012, a total of 163 patients with mandibular, maxillary, and orbital defects received either scapular, fibular, or iliac crest osseal reconstructions in Helsinki University Hospital, Departments of Plastic Surgery and Maxillofacial Surgery. Data regarding the patient demographics, complications, and outcomes were analyzed...
May 1, 2018: Scandinavian Journal of Surgery: SJS
https://www.readbyqxmd.com/read/29691817/bioceramics-for-osteochondral-tissue-engineering-and-regeneration
#10
Sandra Pina, Rita Rebelo, Vitor Manuel Correlo, J Miguel Oliveira, Rui L Reis
Considerable advances in tissue engineering and regeneration have been accomplished over the last decade. Bioceramics have been developed to repair, reconstruct, and substitute diseased parts of the body and to promote tissue healing as an alternative to metallic implants. Applications embrace hip, knee, and ligament repair and replacement, maxillofacial reconstruction and augmentation, spinal fusion, bone filler, and repair of periodontal diseases. Bioceramics are well-known for their superior wear resistance, high stiffness, resistance to oxidation, and low coefficient of friction...
2018: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29653247/somatosensory-changes-at-forearm-donor-sites-following-three-different-surgical-flap-techniques
#11
Fang Wang, Xu Ding, Jinglu Zhang, Xiaomeng Song, Yunong Wu, Peter Svensson, Kelun Wang
BACKGROUND: The aim of this study was to investigate the somatosensory changes at the forearm donor region after using different types of modified flap surgical techniques. METHODS: Thirty-one patients, who underwent oral and maxillofacial reconstructive surgery involving the use of a traditional radial forearm flap (TRFF) or two modified radial forearm flap techniques (MRFF-I; MRFF-II), participated in the study. Cold detection threshold (CDT), warm detection threshold (WDT), cold pain threshold (CPT), heat pain threshold (HPT), pressure pain threshold (PPT), mechanical detection threshold (MDT), and mechanical pain threshold (MPT) were assessed at four sites of the forearms corresponding to the middle of the vascular pedicle (VP) area, the middle of the forearm flap area, and the corresponding contralateral sites (cVP and cFF) at about 5...
April 10, 2018: International Journal of Surgery
https://www.readbyqxmd.com/read/29650914/-surgical-procedure-of-buccal-mucosal-carcinoma-reconstruction-of-mouth-angle
#12
Aya Yoshino, Takahiro Kanno, Masaaki Karino, Teruaki Iwahashi, Joji Sekine
Surgical resection of the buccal mucosal carcinoma often induces soft tissue defect. The treatment plan should be considered to preserve oro-facial function and morpho-esthetics. This retrospective study reports the surgical reconstruction procedures in buccal mucosal carcinoma patients. We evaluated 4 cases(2 men, 2 women, mean age: 81.8 year-old)treated in Department of Oral and Maxillofacial Surgery, Shimane University Hospital between June 2007 and January 2017. The average size of primary tumor was 4.9 cm2...
March 2018: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29644089/heterotopic-bone-formation-in-the-musculus-latissimus-dorsi-of-sheep-using-%C3%AE-tricalcium-phosphate-scaffolds-evaluation-of-different-seeding-techniques
#13
Simon Spalthoff, Rüdiger Zimmerer, Jan Dittmann, Horst Kokemüller, Marco Tiede, Laura Flohr, Philippe Korn, Nils-Claudius Gellrich, Philipp Jehn
Osseous reconstruction of large bone defects remains a challenge in oral and maxillofacial surgery. In addition to autogenous bone grafts, which despite potential donor-site mobility still represent the gold standard in reconstructive surgery, many studies have investigated less invasive alternatives such as in vitro cultivation techniques. This study compared different types of seeding techniques on pure β-tricalcium phosphate scaffolds in terms of bone formation and ceramic resorption in vivo . Cylindrical scaffolds loaded with autologous cancellous bone, venous blood, bone marrow aspirate concentrate or extracorporeal in vitro cultivated bone marrow stromal cells were cultured in sheep on a perforator vessel of the musculus latissimus dorsi over a 6-month period...
March 2018: Regenerative Biomaterials
https://www.readbyqxmd.com/read/29642922/an-anterolateral-thigh-chimeric-flap-for-dynamic-facial-and-esthetic-reconstruction-after-oncological-surgery-in-the-maxillofacial-region-a-case-report
#14
Zoltán Lóderer, Tamás Vereb, Róbert Paczona, Ágnes Janovszky, József Piffkó
BACKGROUND: The surgical management of malignant tumors in the head and neck region often leads to functional and esthetic defects that impair the quality of life of the patients. Reconstruction can be solved with prostheses in these cases, but various types of microsurgical free flaps can provide a better clinical outcome. CASE PRESENTATION: In this case report, the tumor and parts of the involved facial muscles and nerve were excised surgically from a 42-year-old patient after a third relapse of basal cell carcinoma in the left midface...
April 11, 2018: Head & Face Medicine
https://www.readbyqxmd.com/read/29629890/infective-complications-after-free-flaps-reconstruction-in-patients-affected-by-head-and-neck-cancer-our-experience-on-77-cases
#15
Giovanni Dell'Aversana Orabona, Raffaele Corvino, Fabio Maglitto, Vincenzo Abbate, Paola Bonavolontà, Antonio Romano, Giovanni Salzano, Luigi Califano
AIM: The success rates of free flaps in patients undergoing head and neck cancer (HNC) surgery are very high (95%- 97%) but the development of a surgical site infection (SSI) can put flap viability at risk. The aim of our study is to identify the risk factors for SSI in patients undergo free flaps reconstruction after head and neck cancer removal. MATERIAL OF STUDY: Seventyseven patients (44 male and 33 female) from April 2006 to April 2015 admitted at the Department of Maxillofacial Surgery of the University of Naples "Federico II" were included in this study...
2018: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/29621078/a-patient-with-severe-lower-face-degloving-injury
#16
Ivo Cavalcante Pita Neto, Jéferson Martins Pereira Lucena Franco, Eduardo Chaves Moreno, Pablo Pita, Francisco Aurelio Lucchesi Sandrini, David Gomes de Alencar Gondim
Avulsions of mandible are among the most devastating lesions observed in cranio-maxillofacial traumas. They present an important health problem because of the high risk of morbidity related to deformities that cause functional limitations and esthetic changes. The avulsions commonly result from high-energy effects, which cause complete or partial separation of the mandibular bone of the face. As a result of the intense aggression, the skin and subcutaneous tissues of the bone are usually removed, affecting muscles, fascia, blood vessels, and the surrounding nerves...
April 4, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29618885/endoscopic-assisted-combined-transantral-and-subciliary-approach-in-treatment-of-orbital-floor-fracture-a-case-report
#17
Venkatesh Anehosur, K Harish
Management of orbital floor fracture remains the most debated topic in maxillofacial field. There are many approaches to reconstruct orbital floor fractures and restore orbital position and function, but many have the drawback of incomplete visualization, especially of the posterior part of the orbit. Pain, diplopia and enophthalmos are the most common presenting symptoms in patients who sustained orbital blow out fracture. The main aim in treating orbital fracture is to reduce the prolapsed orbital tissue and reconstruct the floor which will improve diplopia and enophthalmos...
June 2018: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/29592836/the-evolution-of-microvascular-and-microneurosurgical-maxillofacial-reconstruction
#18
Michael R Markiewicz, Michael Miloro
No abstract text is available yet for this article.
April 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29574814/extractions-to-reconstruction-the-development-of-oral-maxillofacial-surgery-in-australian-and-new-zealand
#19
A N Goss, R Linn
Oral and Maxillofacial Surgery developed initially from Dentistry as exodontia. It then expanded into the surgical management of jaw disorders. As the specialty evolved, it came into increasing conflict with related surgical disciplines. In the 1960s and 1970s these external criticisms were well-founded as training in oral surgery was individual, solely University-based and highly variable. In the 1980s the speciality developed a plan which involved hospital-based surgical training, a mandatory high level college surgical examination and detailed workforce and training studies...
March 2018: Australian Dental Journal
https://www.readbyqxmd.com/read/29563370/successful-surgical-fixation-using-bio-absorbable-plates-for-frail-chest-in-a-severe-osteoporotic-octogenarian
#20
Ryuichi Waseda, Isao Matsumoto, Yasuhiko Tatsuzawa, Akinori Iwasaki
We present a case of a severe osteoporotic octogenarian who sustained serious flail chest from a traffic accident. The 3rd-9th ribs of the right chest wall were fractured. Non-operative management was unsuccessful. We performed a surgical fixation using a bio-absorbable and bio-active mini-plating set. This plating set is unsintered hydroxyapatite (u-HA) particles/poly-L-lactide (PLLA) composite osteosynthesis device commonly used for cranial, oral, and maxillofacial surgeries. The use of the u-HA/PLLA device for chest wall reconstruction has previously been reported, but no long-term results have been included...
March 22, 2018: Annals of Thoracic and Cardiovascular Surgery
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