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https://www.readbyqxmd.com/read/29776771/association-between-pain-severity-and-clinicohistopathologic-findings-in-the-mandibular-canal-and-inferior-alveolar-nerve-of-patients-with-advanced-mandibular-osteoradionecrosis
#1
Yujiro Hiraoka, Masaya Akashi, Satoshi Wanifuchi, Junya Kusumoto, Manabu Shigeoka, Takumi Hasegawa, Kazunobu Hashikawa, Hiroto Terashi, Takahide Komori
OBJECTIVE: Pain is one of the most problematic symptoms in patients with osteoradionecrosis of the jaws. This study investigated the associations between pain severity and morphologic alterations of the mandibular canal and inferior alveolar nerve, in respective computerized tomography images and resected specimens of mandibular osteoradionecrosis. STUDY DESIGN: We assessed 14 lesions in 13 patients who underwent segmental mandibulectomy for surgical debridement and simultaneous reconstruction with free fibula flap (1 patient exhibited bilateral lesions)...
April 16, 2018: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/29773499/study-of-condylar-positional-changes-after-sagittal-split-osteotomy-for-mandibular-advancement-a-prospective-cohort-study
#2
Alberto Costas, Jacinto F Sanromán, Pilar Castro, Martín F Ferro, Annahys Lopez, Bogdan Stavaru
PURPOSE: To analyse the possible morphologic and positional changes of the mandibular condyles after orthognathic surgery. MATERIAL AND METHODS: A prospective cohort study was performed. Patients with mandibular retrognathism were surgically treated to advance the mandible. The study group included seventeen patients (34 condyles) treated with sagittal split osteotomies alone (4 patients) or in combination with maxillary osteotomies (13 patients). Only condyles located on the mandibular side that advance during surgery were studied, therefore only 25 condyles entered this prospective study...
April 22, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29762448/pectoralis-major-musculocutaneous-flap-with-a-midline-sternal-skin-paddle-for-head-and-neck-reconstruction-a-new-design
#3
Jeongseok Oh, Hee Chang Ahn, Seungki Youn, Kyung Tae
PURPOSE: The pectoralis major musculocutaneous (PMMC) flap is a classic flap for head and neck reconstruction, relatively unpopular with the advancement of microsurgery and free flaps. The classic parasternal paddle design provided a thick flap with a small rotation arch leaving objectionable scarring. Our new symmetric midsternal design overcomes these problems. METHODS: Chart review was done from the years 2000 to 2017. Flap skin paddle was placed symmetrically on both sides of the midsternal line...
May 14, 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29757468/treatment-of-class-iii-multiple-gingival-recessions-prognostic-factors-for-achieving-a-complete-root-coverage
#4
Sofia Aroca, Antoine Barbieri, Marco Clementini, Franck Renouard, Massimo de Sanctis
BACKGROUND: This report is intended to present a supplemental analysis of data from a prior report (Aroca 2010) to investigate factors associated with a complete root coverage at 1 year. The purpose of the prior report was to investigate at 1 year the adjunction effect of EMD for the treatment of Miller's class III recession defects using a coronally advanced modified tunnel/CTG technique with (test group) or without (control group). The purpose of this report is to investigate additional factors associated with root coverage in the same data set...
May 14, 2018: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/29753964/a-web-based-system-for-neural-network-based-classification-in-temporomandibular-joint-osteoarthritis
#5
Priscille de Dumast, Clément Mirabel, Lucia Cevidanes, Antonio Ruellas, Marilia Yatabe, Marcos Ioshida, Nina Tubau Ribera, Loic Michoud, Liliane Gomes, Chao Huang, Hongtu Zhu, Luciana Muniz, Brandon Shoukri, Beatriz Paniagua, Martin Styner, Steve Pieper, Francois Budin, Jean-Baptiste Vimort, Laura Pascal, Juan Carlos Prieto
OBJECTIVE: The purpose of this study is to describe the methodological innovations of a web-based system for storage, integration and computation of biomedical data, using a training imaging dataset to remotely compute a deep neural network classifier of temporomandibular joint osteoarthritis (TMJOA). METHODS: This study imaging dataset consisted of three-dimensional (3D) surface meshes of mandibular condyles constructed from cone beam computed tomography (CBCT) scans...
May 1, 2018: Computerized Medical Imaging and Graphics: the Official Journal of the Computerized Medical Imaging Society
https://www.readbyqxmd.com/read/29743608/unexpectedly-rapid-evolution-of-mandibular-shape-in-hominins
#6
P Raia, M Boggioni, F Carotenuto, S Castiglione, M Di Febbraro, F Di Vincenzo, M Melchionna, A Mondanaro, A Papini, A Profico, C Serio, A Veneziano, V A Vero, L Rook, C Meloro, G Manzi
Members of the hominins - namely the so-called 'australopiths' and the species of the genus Homo - are known to possess short and deep mandibles and relatively small incisors and canines. It is commonly assumed that this suite of traits evolved in early members of the clade in response to changing environmental conditions and increased consumption of though food items. With the emergence of Homo, the functional meaning of mandible shape variation is thought to have been weakened by technological advancements and (later) by the control over fire...
May 9, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29739785/comparison-of-success-criteria-based-on-long-term-symptoms-and-new-onset-hypertension-in-mandibular-advancement-device-treatment-for-obstructive-sleep-apnoea-observational-cohort-study
#7
Jee Hye Wee, Jae Hyun Lim, January E Gelera, Chae-Seo Rhee, Jeong-Whun Kim
OBJECTIVE: To identify adequate criteria to determine the success or failure of mandibular advancement device (MAD) treatment for obstructive sleep apnoea (OSA) based on long-term symptoms and new-onset hypertension. DESIGN: Observational cohort study. SETTING: A tertiary care hospital setting in South Korea. PARTICIPANTS: Patients (age >18 years) who were diagnosed with OSA by a polysomnography (PSG) or Watch peripheral arterial tonometry (PAT), and who had been treated with MAD between January 2007 and December 2014 were enrolled...
May 8, 2018: BMJ Open
https://www.readbyqxmd.com/read/29729839/does-intraoperative-navigation-improve-the-accuracy-of-mandibular-angle-osteotomy-comparison-between-augmented-reality-navigation-individualised-templates-and-free-hand-techniques
#8
Ming Zhu, Fei Liu, Chaozheng Zhou, Li Lin, Yan Zhang, Gang Chai, Le Xie, Fazhi Qi, Qingfeng Li
BACKGROUND: Augmented reality (AR)-based navigation surgery has evolved to be an advanced assisted technology. The aim of this study is to manifest the accuracy of AR navigation for the intraoperative mandibular angle osteotomy by comparing the navigation with other interventional techniques. METHODS: A retrospective study was conducted with 93 post-surgical patients with mandibular angle hypertrophy admitted at our plastic and reconstructive surgery department between September 2011 and June 2016...
April 11, 2018: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/29728548/qualitative-assessment-of-reliability-of-cone-beam-computed-tomography-in-evaluating-bone-density-at-posterior-mandibular-implant-site
#9
Kirti Dahiya, Narendra Kumar, Pankaj Bajaj, Avdesh Sharma, Rohan Sikka, Sagar Dahiya
Introduction: The success of dental implants depends primarily on the primary implant stability and the bone density so that predictable osseointegration can be achieved. To achieve the desired results, systematic preoperative planning for implant placement is required. The sole aim of the study was to assess the reliability of preoperative bone density of mandibular posterior region for implant placement using computerized tomography-derived bone densities in Hounsfield units (HU). Materials and methods: A total of 200 patients with 352 implant sites between 2014 and 2017 were assessed for the posterior mandibular area using cone-beam computed tomography (CBCT)...
April 1, 2018: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29724535/does-fixation-method-affects-temporomandibular-joints-after-mandibular-advancement
#10
Erdogan Utku Ureturk, Aysegul Apaydin
PURPOSE: Sagittal split ramus osteotomy (SSRO) is a standard procedure in which miniplates and screws are used to achieve stabilization. Although the titanium plate and screw fixation system is stable, resorbable fixation systems are also used. There is currently no consensus on the ideal fixation technique for SSRO procedures and its effect on the condyle. We aimed to evaluate the stress distribution on temporomandibular joints (TMJ). METHODS: A 3D finite element model of a hemimandible was designed and 5 mm advancement was simulated on a computer model...
April 7, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29714496/prosthetically-driven-computer-guided-implant-placement-and-restoration-using-cerec-a-case-report
#11
David Dano, Monica Stiteler, Russell Giordano
Developments in 3-dimentional (3D) diagnostic technology and advanced digital optical imaging have improved the predictability, safety, and efficiency of restoratively driven implant dentistry. Surgical procedures may now be performed in a single visit utilizing chairside, computer-aided design/computer-aided manufacturing technology and in situations when a two-stage implant protocol is indicated as demonstrated in this case. The CEREC® GALILEOS® integration workflow system was used to prosthetically plan and place an implant in the lower right mandibular first molar site, No...
May 2018: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/29708397/effects-of-growth-hormone-and-functional-appliance-on-mandibular-growth-in-an-adolescent-rat-model
#12
Shuai Wang, Lu Ye, Mei Li, Han Zhan, Rui Ye, Yu Li, Zhihe Zhao
OBJECTIVES: To investigate the individual and synergistic effects of growth hormone (GH) and functional appliance (FA) on mandibular growth in an adolescent rat model. MATERIALS AND METHODS: Forty adolescent (6-week-old) female Wistar rats were randomly divided into four groups (10 rats in each group). The control group received a sham treatment (intra-abdominal injection of phosphate-buffered saline), the GH group received an intra-abdominal injection of recombinant human growth hormone, the FA group was treated with a mandibular advancement device, and the GH+FA group received both the GH and FA treatments...
April 30, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/29702006/short-and-long-term-effects-of-late-maxillary-advancement-with-the-liou-alt-ramec-protocol-in-unilateral-cleft-lip-and-palate
#13
Maria Costanza Meazzini, Laura B Zappia, Chiara Tortora, Luca Autelitano, Roberto Tintinelli
OBJECTIVE: The objective of this retrospective longitudinal study was to evaluate short- and long-term results of the application of the Liou Alt-RAMEC (alternate rapid maxillary expansion and constriction) technique, a late orthopedic maxillary protraction technique, with intraoral anchorage, in patients with cleft. MATERIALS AND METHODS: Twenty-six patients with unilateral cleft lip and palate (UCLP) were consecutively treated with the Alt-RAMEC technique. The average age of the patients was 11...
January 1, 2018: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/29701428/anaesthetic-management-in-a-duchennne-muscle-dystrophy-patient-for-treatment-of-recurrent-pneumothorax
#14
Sara Mota, Liuba Germanova, Joana Cortesão, Teresa Paiva
INTRODUCTION: Duchenne muscular dystrophy (DMD) is an x linked recessive disorder. Long term prognosis is ominous, with development of respiratory distress and cardiomyopathy in advanced stage of the disease and expected death in the teens-to-mid 20s due to respiratory or cardiac failure. Peri-operative management of this patients is challenging due to difficult airway anatomy (macroglossia, limited neck and mandibular mobility). Additionally, they are at risk of developing malignant hyperthermia, rhabdomyolysis and hyperkalemic cardiac arrest when exposed to halogenated inhalational anaesthetics and depolarizing muscle relaxants...
July 2017: Revista Portuguesa de Cirurgia Cardio-torácica e Vascular
https://www.readbyqxmd.com/read/29688890/invisalign-mandibular-advancers-and-tetrahedron-3d-facial-analysis-in-dentofacial-orthopedics-10-rules
#15
John C Voudouris, James J Poulos, Christos Schismenos, Christian Argyropoulos
No abstract text is available yet for this article.
March 2018: Journal of Clinical Orthodontics: JCO
https://www.readbyqxmd.com/read/29687099/perception-of-facial-esthetics-by-different-observer-groups-of-class-ii-malocclusion-with-mandibular-retrusion
#16
Joana Ribas, Maria Paço, Teresa Pinho
AIM: To compare the esthetic perception of different observer groups of 14 photos of two patients with Class II, division 1 malocclusion with severe mandibular retrusion. MATERIALS AND METHODS: A sample of 441 participants, of which 191 were laypeople, was obtained through a snowball sampling method. Fourteen photos of two children with Class II, division 1 malocclusion with severe mandibular retrusion were used, before and after orthodontic treatment (OT), with advance genioplasty simulation...
2018: International Journal of Esthetic Dentistry
https://www.readbyqxmd.com/read/29682268/polysonographical-evaluation-in-a-case-of-moderate-osas-treated-with-mandibular-advancement-device
#17
A Venditti, M Basili, F M Ragazzoni, A Barlattani, P Bollero
Background: The Obstructive Sleep Apnea Syndrome (OSAS) is a clinical picture characterized by partial or complete obstruction of the upper airway during sleep, associated with a reduction of oxygen saturation in the blood.The most common symptoms are: apnea sleep, snoring, headache, sleepiness, reduced concentration and memory, irritability, increased blood pressure and dry mouth. Materials and methods: It was examinated a not-smoker man of 54 years that suffers of roncophaty...
October 2017: Oral & Implantology
https://www.readbyqxmd.com/read/29679154/effectiveness-of-a-mandibular-advancement-device-in-obstructive-sleep-apnea-patients-a-prospective-clinical-trial
#18
Rocío Marco Pitarch, Marina Selva García, Javier Puertas Cuesta, Jaime Marco Algarra, Enrique Fernández Julian, Antonio Fons Font
PURPOSE: This study aimed to determine the effectiveness of a mandibular advancement device in a sample of obstructive sleep apnea syndrome patients by the evaluation of respiratory and neurophysiologic parameters and clinical symptoms. Second, the influence of certain predictor factors related with the patient and the intraoral device, were considered in the final response with this treatment option. METHODS: Forty-one patients constituted the final sample. Outcomes were measured using polysomnography, Epworth sleepiness scale and an analogue visual snoring scale, before treatment and once the device was properly titrated...
April 20, 2018: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/29667512/alternative-technique-to-transfer-jaw-relations-for-custom-mandibular-advancement-devices-a-case-report
#19
Filiz Keyf, Defne Burduroğlu, Selma Fırat Güven, Bülent Çiftçi
Background Oral appliance therapy for obstructive sleep apnea can be helpful in mild and moderate cases. This clinical report evaluates the efficacy of a protocol that predicts an optimal jaw position and describes the response of a young OSA patient to treatment. Clinical Presentation A 27-year-old woman was diagnosed with moderate OSA and had an apnea-hypopnea index (AHI) of 25.8/hr. In order to fabricate a custom device, an alternative procedure to determine the optimal protrusion and vertical positioning of the jaw was applied...
April 18, 2018: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/29659350/does-dental-caries-affect-dental-development-in-children-and-adolescents
#20
Brunilda Dhamo, Besiana Elezi, Lea Kragt, Eppo B Wolvius, Edwin M Ongkosuwito
Although a link between dietary changes, caries, and dental development has been observed, the literature provides little insight about this relationship. The aim of our study was to investigate the association between dental caries and dental development in a clinical sample of Albanian children and adolescents. In total, 118 children and adolescents, born between 1995 and 2004 and aged 6-15 years, were included. Dental caries in the deciduous dentition was assessed using the Decayed, Filled Teeth (dft) index and dental caries in the permanent dentition was assessed using the Decayed, Missing, Filled Teeth (DMFT) index...
April 6, 2018: Bosnian Journal of Basic Medical Sciences
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