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Oromaxillofacial surgery

D F Angelo, P Morouço, N Alves, T Viana, F Santos, R González, F Monje, D Macias, B Carrapiço, R Sousa, S Cavaco-Gonçalves, F Salvado, C Peleteiro, M Pinho
Preclinical trials are essential to the development of scientific technologies. Remarkable molecular and cellular research has been done using small animal models. However, significant differences exist regarding the articular behavior between these models and humans. Thus, large animal models may be more appropriate to perform trials involving the temporomandibular joint (TMJ). The aim of this work was to make a morphological (anatomic dissection and white light 3D scanning system), histological (TMJ in bloc was removed for histologic analysis) and biomechanical characterization (tension and compression tests) of sheep TMJ comparing the obtained results with human data...
July 20, 2016: Morphologie: Bulletin de L'Association des Anatomistes
Nurcan Ercikti, Nihal Apaydin, Yalcin Kirici
PURPOSE: The location of the infraorbital foramen and its variations are important during periorbital, dental, plastic, and oromaxillofacial surgeries. The aim of this study is to document the most practical anatomical soft tissue landmarks for defining the location of infraorbital foramen and infraorbital nerve for effective nerve blockade and to decrease its risk of injury during periorbital surgeries. METHODS: Forty sides from 20 adult fixed cadavers were used for this study...
May 4, 2016: Surgical and Radiologic Anatomy: SRA
Philippe Hennet
Piezoelectric bone surgery is a recent and innovative technology, permitting a selective cut of mineralized tissue while sparing soft tissue. Similar to a dental scaler, a high frequency vibration, in the range of 25-35 kHz, is transmitted to a metallic tip. However, the power of the piezosurgical instrument is three to six times higher than that of a dental scaler. The major advantages of this technology include high precision, a design that increases ease of curvilinear osteotomy, less trauma to soft tissue, preservation of neurological and vascular structures, reduced hemorrhage, minimal thermal damage to the bone, as well as overall improvement of healing...
2015: Frontiers in Veterinary Science
Madhur Kumar Srivastava, Prasanth Penumadu, Dinesh Kumar, Nandini Pandit
Osteo-cutaneous flap are commonly used for reconstruction of bone defect after oncology surgery. The success of surgery depends on the viability of the bone flap. Bone scan is a known, but less performed method, to look for viability of bone flaps. We describe a case of 50-year-old lady, presenting with squamous cell carcinoma of left buccal mucosa (cT4N1M0) involving the skin and mandible. She underwent left segmental mandibulectomy and upper alveolectomy with neck dissection, followed by reconstruction using a fibular osteo-cutaneous flap and anterolateral thigh free flap...
July 2015: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
Liu Liu, Xin-yu Zhang, Yong-jie Hu, Chen-ping Zhang, Zhi-yuan Zhang
PURPOSE: To investigate the clinical and pathological features of jaw ameloblastomas in 890 patients, in order to provide reference for clinical diagnosis and treatment. METHODS: Eight hundred and ninty cases with jaw ameloblastomas treated in our department from January 2003 to June 2014 were retrospectively analyzed, including their gender, age, primary sites, pathological subtypes and therapies. RESULTS: The age of patients ranged from 6 to 101 years old, with a mean age of 40...
June 2015: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
Yong-Hwan Kim, Moon-Young Kim, Chul-Hwan Kim
OBJECTIVES: The purpose of this research was to create a scoring system that provides comprehensive assessment of patients with oromaxillofacial cancer or odontogenic infection, and to statistically reevaluate the results in order to provide specific criteria for elective tracheostomy. MATERIALS AND METHODS: All patients that had oral cancer surgery (group A) or odontogenic infection surgery (group B) during a period of 10 years (2003 to 2013) were subgrouped according to whether or not the patient received a tracheostomy...
October 2014: Journal of the Korean Association of Oral and Maxillofacial Surgeons
Jawad Safdar, Fa-Yu Liu, Yousuf Moosa, Zhong-Fei Xu, Zhen-Ning Li, Chang-Fu Sun
OBJECTIVE: To compare the platysma flap with submental flap in terms of tumor and flap characteristics, operative properties and the functional outcomes. METHODS: A total of 65 patients presented with tumors of head and neck and underwent curative tumor resection with different neck dissections at the Department of Oromaxillofacial-Head and Neck Surgery, School of Stomatology of China Medical University; from March 2005 to December 2012 were included in the study...
July 2014: Pakistan Journal of Medical Sciences Quarterly
Louqiang Zhang, Hongbin Yang, Xuebin Zhang
Renal cell carcinoma (RCC) is one of the most frequent urological malignancies in adults. RCC often metastasizes to other organs, but rarely to the oromaxillofacial region. Metastatic tumors to the jaws are also unusual. In this report, we present two cases of RCC metastasis to the jaws. Metastatic RCC is resistant to radiotherapy and chemotherapy, so surgery is the primary therapeutic choice. This report describes the diagnostic procedures utilized and the therapeutic process in the two cases. The differential diagnosis and treatment methods are discussed...
2014: World Journal of Surgical Oncology
I-Cheng Lu, Yu-Hui Hsieh, Hung-Te Hsu, Chung-Ho Chen, Ching-Wei Hsu, Kuang-Yi Tseng, Kuang-I Cheng
BACKGROUND: Nasotracheal intubation (NTI) provides a good field for surgeons in patients undergoing oromaxillofacial surgery; however, NTI is often complicated by epistaxis. The aim of this study was to compare the efficacy of 4% and 6% topical cocaine solutions in reducing epistaxis during NTI. METHODS: A total of 79 patients (16-65 years old) undergoing oromaxillofacial surgery were randomly assigned to two groups treated with either 4% cocaine (n = 39) or 6% cocaine (n = 40)...
March 2014: Acta Anaesthesiologica Taiwanica: Official Journal of the Taiwan Society of Anesthesiologists
P R C Steele, M L Barnes, P D Ross
Objectives: To investigate rates of septorhinoplasty and rhinoplasty in Scotland between 2006 and 2010, and to establish the impact of government legislation. Methods: Data on the rates of rhinoplasty and septorhinoplasty were collected and analysed according to specialty, region and year. Results: In 2006, 754 septorhinoplasty and rhinoplasty cases were recorded (147 per million population), rising to 893 (171 per million population) in 2010. Mean annual rates per million population were 152 (87 per cent of procedures) in ENT, 13...
March 25, 2014: Journal of Laryngology and Otology
Young S Paik, Kevin W Lollar, C W David Chang
Subcutaneous emphysema as a complication of a dental procedure is uncommon. When it does occur, it can result in significant and sometimes alarming cervicofacial swelling. Management in most cases involves close observation while awaiting spontaneous resolution. However, in some cases the swelling can progress to cause serious complications and even death. Even though such complications are more commonly seen by our dental and oromaxillofacial surgery colleagues, otolaryngologists should be aware of this condition since we are often asked to consult in these cases...
February 2014: Ear, Nose, & Throat Journal
Benjamin Collins, Rosser Powitzky, Candace Robledo, Christopher Rose, Robert Glade
Objectives : To report survey results from American Cleft Palate-Craniofacial Association members on the practice patterns of airway obstruction management in patients with Pierre Robin sequence. Design : A 10-question online survey was sent and the data were reviewed. Setting : Online survey of members of the American Cleft Palate-Craniofacial Association. Patients : Surveys assessed management patterns of patients with Pierre Robin sequence whom a surgeon member of the American Cleft Palate-Craniofacial Association treated for airway obstruction...
May 2014: Cleft Palate-craniofacial Journal
S Heinrich, T Birkholz, A Irouschek, A Ackermann, J Schmidt
BACKGROUND: Hypoxemia caused by difficulties in airway management presents a major cause for perioperative morbidity and mortality. The ability to predict difficult laryngoscopy more accurately would enable anesthesiologists to take specific precautions to reduce airway risks and prevent patient-threatening events. METHODS: Over a 6-year period of time, all anesthesia records with a documented direct laryngoscopic view were retrieved from the electronic data management system and statistically processed...
December 2013: Journal of Anesthesia
Y Dong, G Li, W Wu, R Su, Y Shao
In oromaxillofacial surgery patients, the incidence of difficult airways is up to 15.4-16.9%. Blind nasal intubation remains a safe technique for difficult airway management in some remote areas where a fibreoptic bronchoscope is not always available. The lightwand is an easy-to-use, highly economical device, and can facilitate endotracheal intubation through illumination in the neck. The study aims to evaluate the efficacy of nasotracheal intubation using lightwand in oromaxillofacial surgery patients with difficult airways...
September 2013: International Journal of Oral and Maxillofacial Surgery
Shudong Fang, Hui Xu, Yesen Zhu, Hong Jiang
We present 2 cases of fulminant malignant hyperthermia (MH), complicated with massive rhabdomyolysis. The patients were successfully treated in the intensive care unit of our university teaching hospital, despite the lack of availability of dantrolene in our country, by early application of continuous veno-venous hemofiltration (CVVH). Both male patients developed fulminant malignant hyperthermia during anesthesia for oromaxillofacial surgery. CVVH was employed when the values of creatine phosphokinase (CPK), myoglobin (Mb), and lactate dehydrogenase (LDH) increased significantly...
2013: Anesthesia Progress
Judith Rothaug, Thomas Weiss, Winfried Meissner
OBJECTIVES: In the postoperative setting, functional interference of pain is an important outcome parameter. It can be measured by numerical rating scales (NRS) and by binary items (yes/no). For implementation, dissemination, and practicability in clinical routine, not only psychometric characteristics but also patients' acceptance of assessment methods is important but has not been studied so far. To compare these 2 answer formats, the pain interference questions of the German initiative Quality Improvement in Postoperative Pain Management, a multicentric pain registry project, were used...
March 2013: Clinical Journal of Pain
George A Zarb
Throughout the 1980s and '90s, a small core group of clinical scholars played a major and pivotal role in the combined surgical and prosthodontic dissemination of osseointegration scholarship. As professor of oromaxillofacial surgery at the University of Washington, Dr Philip Worthington was one such pioneering educator. His academic leadership was acknowledged via numerous academic honors and tributes, including his recent postretirement recognition as distinguished professor at his university. This invited paper is a personal assessment of the impact of clinical changes ushered in by the osseointegration technique and was recently presented at the University of Washington's unique celebratory tribute to Professor Worthington...
March 2012: International Journal of Prosthodontics
Sebastian Heinrich, Torsten Birkholz, Harald Ihmsen, Andrea Irouschek, Andreas Ackermann, Joachim Schmidt
OBJECTIVE: Difficult laryngoscopy in pediatric patients undergoing anesthesia. AIM: This retrospective analysis was conducted to investigate incidence and predictors of difficult laryngoscopy in a large cohort of pediatric patients receiving general anesthesia with endotracheal intubation. BACKGROUND: Young age and craniofacial dysmorphy are predictors for the difficult pediatric airway and difficult laryngoscopy. For difficult laryngoscopy, other general predictors are not yet described...
August 2012: Paediatric Anaesthesia
C Nestle-Krämling, N Kübler, W Janni, S Braunstein, W Budach, E Bölke, C Matuschek, R Depprich
For head and neck as well as for oromaxillofacial surgery, the use of the pectoralis major myocutaneous (PMMC) flap is a standard reconstructive technique after radical surgery for cancers in this region. We report to our knowledge for the first development of breast cancer in the PMMC flap in a 79 year old patient, who had undergone several operations in the past for recurring squamous cell carcinoma of the jaw. The occurrence of a secondary malignancy within the donor tissue after flap transfer is rare, but especially in the case of transferred breast tissue and the currently high incidence of breast cancer theoretically possible...
December 2, 2011: European Journal of Medical Research
Lucele Vieira Marins, Tania Mary Cestari, André Dotto Sottovia, José Mauro Granjeiro, Rumio Taga
Over the last few years, various bone graft materials of bovine origin to be used in oromaxillofacial surgeries have entered the market. In the present study, we determined the capacity of a block organic bone graft material (Gen-ox, Baumer SA, Brazil) prepared from bovine cancellous bone to promote the repair of critical size bone injuries in rat calvaria. A transosseous defect measuring approximately 8mm in diameter was performed with a surgical trephine in the parietal bone of 25 rats. In 15 animals, the defects were filled with a block of graft material measuring 8mm in diameter and soaked in the animal's own blood, and in the other 10 animals the defects were only filled with blood clots...
March 2004: Journal of Applied Oral Science: Revista FOB
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