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Hyung-In Yoon
OBJECTIVE: This report is to present the treatment procedure and clinical considerations of prosthodontic management of a patient who had undergone a partial mandibulectomy and fibular free flap surgery. DESIGN: A 59-year-old man with a squamous cell carcinoma received a partial mandibular resection. Microsurgical reconstruction with a fibular free flap surgery and implant-supported zirconia-fixed prosthesis produced by computer-aided manufacturing led to successful results for the oral rehabilitation of mandibular defects...
October 2016: Journal of Craniofacial Surgery
Pieter Uvin, Maarten Albersen, Ine Bollen, Maarten Falter, Emmanuel Weyne, Loes Linsen, Hanna Tinel, Peter Sandner, Trinity J Bivalacqua, Dirk Jmk De Ridder, Frank Van der Aa, Bert Brône, Koenraad Van Renterghem
OBJECTIVES: To evaluate the expression of the Rho/Rho associated protein kinase (ROCK) pathway in corpus cavernosum of patients with severe erectile dysfunction (ED) compared to healthy human corpus cavernosum, and to test the functional effects of two Rho Kinase Inhibitors (RKI) on erectile tissue of patients with severe ED, not responding to phosphodiesterase type 5 inhibitors (PDE5-i). PATIENTS AND METHODS: Human corpus cavernosum samples were obtained after consent from individuals undergoing penile prosthesis implantation (n = 7 for organ bath experiments, n = 17 for qPCR)...
October 20, 2016: BJU International
David Gøttsche, Thomas Lind, Thorbjørn Christiansen, Henrik M Schrøder
INTRODUCTION: Revision total knee arthroplasty with a cementless metaphyseal sleeve is suggested to be used without stem in revision total knee arthroplasty (rTKA). To the best of our knowledge, no papers investigating this have been published. The purpose of this study was to evaluate clinical outcome. METHOD: In this retrospective study, 71 patients operated with rTKA with sleeves without stem in the period 2009-2011 were identified; 63 were examined. All patients with the prosthesis still in place were invited to a medical examination including X-rays...
October 19, 2016: Archives of Orthopaedic and Trauma Surgery
Xing Zhou Qu, Ming Yi Wang, Hui Shan Ong, Chen Ping Zhang
OBJECTIVES: This study aimed to evaluate the stability of prostheses supported by zygoma implants and remaining teeth for subjects who had undergone hemi-maxillectomy. METHODS: Ten patients were included in the study. Oral rehabilitation was performed using a temporary prosthesis that was supported by remaining teeth for the first three months. Then, a zygoma implant was placed to provide support for a final prosthesis in addition to the remaining teeth. Each prosthesis was tailor-made according to biomechanical three-dimensional finite element analysis results...
October 1, 2016: Clinics
M Frascaria, M Casinelli, S Mauro, M M D'Amario, R Gatto, G Marzo
BACKGROUND: Optimal integration and long-term stability of oral rehabilitations require correct diagnostic approach, appropriate pre-prosthetic treatments and accurate therapeutic protocols. Technology provides devices to optimise therapeutic results, according to biologic constraints and aesthetic parameters. CASE REPORT: The present report describes a multidisciplinary management in a young patient affected by lateral incisor agenesis, including pre-prosthetic orthodontic treatment and restorative and implant-supported prosthetic rehabilitation...
September 2016: European Journal of Paediatric Dentistry: Official Journal of European Academy of Paediatric Dentistry
Nicola Acciarri, Giorgio Palandri, Andrea Cuoci, Adelaide Valluzzi, Giuseppe Lanzino
BACKGROUND: Cranioplasty is a surgical procedure that has still a high rate of complications, although it is commonly considered an easy and routine operation. In the literature, cranioplasty complications may rise up to 41% of cases, and the most frequently reported are infections, autologous bone flap resorption, and hematomas. Although possible, poor cosmetic results are rarely mentioned. METHODS: We retrospectively analyzed the cases of 313 patients who underwent 377 surgical procedures for cranioplasty and reoperations for complications between 2008 and 2014...
October 13, 2016: Journal of Neurosurgical Sciences
Armando Lopes, Paulo Maló, Miguel de Araújo Nobre, Elena Sánchez-Fernández, Inês Gravito
BACKGROUND: There is a necessity of studies documenting the long-term outcome of full-arch flapless rehabilitations. PURPOSE: To evaluate the 7 years implant and prosthesis survival rate and 5-years marginal bone loss of full-arch fixed prosthetic rehabilitations supported by implants in immediate function with the All-on-4(®) treatment concept using a computer guided surgical protocol (NobelGuide(®) , Nobel Biocare). MATERIALS AND METHODS: This retrospective clinical study included 111 edentulous patients (n = 53 bruxers; n = 21 smokers; n = 59 systemically compromised), rehabilitated between February 2005 and November 2010 with 532 implants with the All-on-4(®) treatment concept using NobelGuide(®) ...
October 18, 2016: Clinical Implant Dentistry and related Research
Saturnino Marco Lupi, Matteo Cislaghi, Silvana Rizzo, Ruggero Rodriguez Y Baena
BACKGROUND: The onset of perioral wrinkles often prompts patients to request treatment. This aesthetic deterioration linked to aging may be associated with tooth and alveolar bone loss in fully edentulous patients. PURPOSE: To evaluate perioral wrinkles before and after maxillary and mandibular rehabilitation with implant-retained dentures in fully edentulous patients. METHODS: In this prospective cohort, single-center, blinded study, patients requiring maxillary and mandibular rehabilitation with implant-retained dentures were enrolled...
2016: Clinical, Cosmetic and Investigational Dentistry
Zuhtu Ozbek, Emre Ozkara, Ali Arslantaş
OBJECTIVE: The purpose of this study is to discuss the causes of implant migration after cervical arthroplasty with clinical cases. MATERIAL AND METHODS: The patients who underwent cervical arthroplasty operations in our department between 2006 and 2015 due to cervical disc disease were retrospectively analyzed. The patients who were determined to be symptomatic of implant migration were evaluated. RESULTS: Symptomatic implant migration was detected in 5 (0...
October 15, 2016: World Neurosurgery
Chu-Qiang Qin, Dong-Sheng Huang, Chi Zhang, Bin Song, Jian-Bin Huang, Yue Ding
BACKGROUND: Aseptic loosening is a significant impediment to joint implant longevity. Prosthetic wear particles are postulated to play a central role in the onset and progression of periprosthetic osteolysis, leading to aseptic loosening of the prosthesis. METHODS: We investigated the inhibitory effects of a lentivirus-mediated short hairpin RNA that targets the TNF-alpha gene on the particle-induced inflammatory and osteolytic changes via macrophages both in vitro and in vivo...
October 18, 2016: BMC Musculoskeletal Disorders
Valerie E Kelly, Sara J Morgan, Dagmar Amtmann, Rana Salem, Brian J Hafner
PURPOSE: This study tested the hypothesis that greater perceived cognitive concerns are associated with worse mobility in a cohort of prosthesis users with lower limb loss (LLL). METHOD: We performed a secondary analysis of cross-sectional self-report data from a volunteer sample of people with LLL due to dysvascular and non-dysvacular causes. Perceived cognitive difficulties were assessed using the Quality of Life in Neurological Disorders Applied Cognition - General Concerns (Neuro-QoL ACGC)...
October 19, 2016: Disability and Rehabilitation
Mansher Singh, Raquel Minasian, Matthew Jackson, E J Caterson
BACKGROUND: Surgical resection of ocular malignancies can result in complex craniofacial defects that can be difficult to reconstruct with conventional reconstruction techniques. Craniofacial prosthesis supported by bone-anchored implants has evolved as a reliable alternative in such scenarios. METHODS: The authors describe a patient who underwent extensive facial resection secondary to squamous cell carcinoma resulting in significant facial deformities. A bone-anchored osseointegrated implant was used to perform facial reconstruction...
October 14, 2016: Journal of Craniofacial Surgery
Christopher M Runyan, Vishal Sharma, David A Staffenberg, Jamie P Levine, Lawrence E Brecht, Leonard H Wexler, David L Hirsch
BACKGROUND: Reconstruction of maxillary defects following tumor extirpation is challenging because of combined aesthetic and functional roles of the maxilla. One-stage reconstruction combining osseous free flaps with immediate osseointegrated implants are becoming the standard for mandibular defects, and have similar potential for maxillary reconstruction. METHODS: A woman with maxillary Ewing sarcoma successfully treated at age 9 with neoadjuvant chemotherapy, right hemimaxillectomy, and obturator prosthetic reconstruction presented for definitive reconstruction, complaining of poor obturator fit, and hypernasality...
October 14, 2016: Journal of Craniofacial Surgery
Pâmela Letícia Dos Santos, Gustavo Henrique Souza Silva, Fernanda Rayssa Da Silva Pereira, Raquel Damazia da Silva, Mirella Lindoso Gomes Campos, Thiago Borges Mattos, Jéssica Lemos Gulinelli
As life expectancy increases, a larger number of elderly people require dental health care attention for implant-supported rehabilitation, with the aim of restoring the function and aesthetics of the oral cavity. Most of these patients have lost their teeth long time ago, causing a severe bone resorption and maxillary sinus pneumatization. Therefore, the current study aims to demonstrate, through the description of the clinical case, the treatment with zygomatic implants as an option for treating severely atrophic maxillas...
October 14, 2016: Journal of Craniofacial Surgery
Y K Liu, X X Deng, H L Yang
OBJECTIVES: The cytotoxicity induced by cobalt ions (Co(2+)) and cobalt nanoparticles (Co-NPs) which released following the insertion of a total hip prosthesis, has been reported. However, little is known about the underlying mechanisms. In this study, we investigate the toxic effect of Co(2+) and Co-NPs on liver cells, and explain further the potential mechanisms. METHODS: Co-NPs were characterised for size, shape, elemental analysis, and hydrodynamic diameter, and were assessed by Transmission Electron Microscope, Scanning Electron Microscope, Energy Dispersive X-ray Spectroscopy and Dynamic Light Scattering...
October 2016: Bone & Joint Research
Angie L Staller, Courtney M Chang, Gavin N Wagenheim, Run Wang
No abstract text is available yet for this article.
September 29, 2016: Asian Journal of Andrology
Allen F Morey
No abstract text is available yet for this article.
November 2016: Journal of Urology
A B Gopalamurugan, K Murali, B Jyotsana, A Jacob, V V Bashi
Transcatheter Aortic Valve Implantation (TAVI) is a well-described treatment for symptomatic calcific severe aortic stenosis. However, TAVI technology is being increasingly used around the world to treat selected cases of severe aortic regurgitation (AR). One of the main limitations of using TAVI technology for AR is the lack of calcification, which is common in such cases. This makes anchoring of a TAVI prosthesis to the aortic annulus difficult and risks displacement or embolization. However, with the availability of recapturable and repositionable TAVI technologies, these limitations have been overcome to a large extent...
September 2016: Indian Heart Journal
Thomas Zahnert, Marie-Luise Metasch, Hannes Seidler, Matthias Bornitz, Nicoloz Lasurashvili, Marcus Neudert
HYPOTHESIS: Electromagnetical excitation of ossicular vibration is suitable for middle ear transmission measurements in the experimental and clinical setting. Thereby, it can be used as a real-time monitoring system for quality control in ossiculoplasty. BACKGROUND: Positioning and coupling of middle ear prosthesis are a precondition for good postoperative hearing results, but at the same time completely dependent upon the surgeon's subjective judgment during surgery...
October 4, 2016: Otology & Neurotology
Roberto Marra, Alessandro Acocella, Rispoli Alessandra, Scott D Ganz, Andrea Blasi
OBJECTIVE: The purpose of this report is to compare satisfaction of patients rehabilitated with full-mouth fixed prostheses using computer-aided flapless implant placement and immediate loading with patients rehabilitated with conventional removable prostheses. MATERIALS AND METHODS: The study included 30 consecutive fully edentulous patients who received 312 implants and 30 matched controls treated with conventional removable prostheses. Mandible and maxilla were treated in the same surgical session with computer-guided flapless approach using NobelGuide protocol...
October 4, 2016: Implant Dentistry
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