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post extraction implant

Wei-Wen Su
Purpose: Sturge-Weber syndrome (SWS) is a neurocutaneous disorder characterized by facial cutaneous venous dilatation (port-wine stain), leptomeningeal angioma, and ocular abnormalities. Here we report a case of SWS who experienced acute primary angle-closure in the same side of the nevus flammeus. Observations: A 64-years-old female patient with SWS port wine stain on the left side of her face was referred to our ER for acute primary angle-closure (PAC). The IOP was 64 mmHg in the left eye (12 mmHg in OD) and the visual acuity was 20/100...
June 2018: American Journal of Ophthalmology Case Reports
Francesco Amato, Giorgio Polara, Giorgio Alfredo Spedicato
PURPOSE: The aim of this study was to evaluate the buccopalatal volumetric tissue change that occurs following flapless single-tooth immediate extraction placement in the esthetic area and to analyze the role of four different variables. MATERIALS AND METHODS: Patients in need of a single-tooth replacement in the anterior maxillary or mandibular area (premolar to premolar) were recruited for the study. Patients were treated using four different therapeutic modalities: group 1 (healing abutment), group 2 (healing abutment + bone graft), group 3 (provisional restoration), and group 4 (provisional + bone graft)...
March 2018: International Journal of Oral & Maxillofacial Implants
Makiko Takashima, Yoshiaki Arai, Atsushi Kawamura, Katsumi Uoshima
PURPOSE: This study analyzed risk factors for post-loading implant loss in cases of implant-supported prostheses applied to edentulous jaws of Japanese patients. METHODS: In total, 245 dental implant fixtures placed in 54 edentulous jaws of 46 patients performed at Niigata University Hospital were retrospectively analyzed. Kaplan-Meier curves were used to estimate the cumulative survival rate (SR) of implants, and multiple Cox regression analysis was used to identify predictive factors of implant loss...
March 8, 2018: Journal of Prosthodontic Research
Y Klazen, F Van der Cruyssen, M Vranckx, M Van Vlierberghe, C Politis, T Renton, R Jacobs
With the growing demand for dental work, trigeminal nerve injuries are increasingly common. This retrospective cohort study examined 53 cases of iatrogenic trigeminal nerve injury seen at the Department of Oral and Maxillofacial Surgery, University Hospitals of Leuven between 2013 and 2014 (0.6% among 8845 new patient visits). Patient records were screened for post-traumatic trigeminal nerve neuropathy caused by nerve injury incurred during implant surgery, endodontic treatment, local anaesthesia, tooth extraction, or specifically third molar removal...
March 6, 2018: International Journal of Oral and Maxillofacial Surgery
Ryan L Wong, Sarah Hiyari, Aline Yaghsezian, Mina Davar, Maísa Casarin, Yi-Ling Lin, Sotirios Tetradis, Paulo M Camargo, Flavia Q Pirih
BACKGROUND: Peri-implantitis is an inflammatory response to bacterial biofilm resulting in bone loss and can ultimately lead to implant failure. Due to the lack of predictable treatments available, a thorough understanding of peri-implantitis's pathogenesis is essential. The objective of this study is to evaluate and compare the response of acute induced peri-implantitis and periodontitis lesions after insult removal. METHODS: Implants were placed in one-month-old C57BL/6J male mice eight weeks post extraction of their left maxillary molars...
February 19, 2018: Journal of Periodontology
Tyler J Beute, Matthew D Orem, Timothy M Schiller, Matthew Goehler, Jessica Parker, Charles L Willekes, Tomasz Timek
BACKGROUND: Minimally invasive aortic valve replacement (mAVR) is gaining clinical acceptance, however, it is associated with increased operative times due to limited surgical field and access. The Cor-Knot is an automated fastening device designed to facilitate suture fastening, but clinical data in mAVR are lacking. METHODS: From May 2014 to February 2017, 92 patients underwent mAVR at our center with 39 valves secured with manually-tied (MT) sutures and 53 valves entirely secured with the Cor-Knot (CK)...
March 1, 2018: Annals of Thoracic Surgery
A Siebe De Boer, Esther M M Van Lieshout, Gerson Van Moolenbroek, Dennis Den Hartog, Michael H J Verhofstad
BACKGROUND: Post-operative weightbearing guidelines for displaced intra-articular calcaneal fractures (DIACF) have been pragmatically developed in the past, however hardly adapted to current health care insights. A period of six to nine weeks of non-weightbearing is usually recommended. It is unknown whether an earlier start of weightbearing is advisable. OBJECTIVES: The primary aim was to evaluate the effect of time to post-operative weightbearing on Böhler's angle...
February 21, 2018: Injury
Kaveh Eghbalzadeh, Elmar W Kuhn, Anton Sabashnikov, Carolyn Weber, Cherif Sahyoun, Tanja Rudolph, Stephan Baldus, Thorsten C W Wahlers, Navid Mader
BACKGROUND:  Advanced visualization software tools have been used in clinics to improve the safety and accuracy of transcatheter procedure. Imaging techniques have greatly evolved during the era of transcatheter aortic valve implantation (TAVI). In a retrospective analysis, we investigated the feasibility of augmented fluoroscopy for iliofemoral access using a novel "Vascular Outlining" roadmapping technology. METHODS:  The Vascular Outlining prototype device (Philips Healthcare) application was used with iliofemoral angiography of 10 patients undergoing transfemoral TAVI...
February 28, 2018: Thoracic and Cardiovascular Surgeon
Baris Ata, Ahmed M Abou-Setta, Ayse Seyhan, William Buckett
BACKGROUND: The female genital tract is not exposed to seminal plasma during standard assisted reproductive technology (ART) cycles. However, it is thought that the inflammatory reaction triggered by seminal plasma may be beneficial by inducing maternal tolerance to paternal antigens expressed by the products of conception, and may increase the chance of successful implantation and live birth. OBJECTIVES: To assess the effectiveness and safety of application of seminal plasma to the female genital tract prior to embryo transfer in ART cycles...
February 28, 2018: Cochrane Database of Systematic Reviews
Sandip S Panesar, Joao Tiago A Belo, Rhett N D'Souza
OBJECTIVES: Integration of 3D printing and stereolithography into clinical practice is in its primacy and concepts may be esoteric to the practicing neurosurgeon. Currently, creation of 3D printed implants involves recruitment of offsite 3rd parties. We explored a range of 3D scanning and stereolithographic techniques to create patient-specific synthetic implants using an onsite, clinician-facilitated approach. METHODS: We simulated bilateral craniectomies in a single cadaveric specimen...
February 24, 2018: World Neurosurgery
Tiziano Testori, Tommaso Weinstein, Fabio Scutellà, Hom-Lay Wang, Giovanni Zucchelli
Patient expectations from implant treatment have changed over the years and esthetics plays an important role in defining what is now called success of rehabilitation. Of the many factors that influence the outcome of the rehabilitation, the two main ones are the bone and soft-tissue deficiencies at the intended implant site. Many surgical approaches are described in terms of timing of implant placement and management of regenerative procedures. The aim of this article is to discuss the different implant placement alternatives in the esthetic area, in particular: (i) the timing of implant placement/regenerative procedures/skeletal growth/altered passive eruption; (ii) the correct three-dimensional position of the fixture between the cuspids and in the premolar area; (iii) multiple missing teeth in the esthetic area with single tooth/pontic or cantilevered options/prosthetic compensation; (iv) placement of implants into infected sites; and (v) the influence of abutment and crown morphology on implant position...
February 27, 2018: Periodontology 2000
Baldeep S Sidhu, Justin Gould, Benjamin Sieniewicz, Bradley Porter, Christopher A Rinaldi
Cardiac implantable electronic devices implantation rates have increased over the past decade due to broader indications and an ageing population. Similarly, device and lead complications have also risen. The management of pacemaker/defibrillator leads that are no longer required (redundant) or malfunctioning, can be contentious. There is a need to balance the risk of transvenous lead extraction (TLE) against those of lead abandonment. The recently published European Lead Extraction ConTRolled Registry (ELECTRa) study provides contemporary outcomes for TLE across Europe with important implications for the management of redundant and/or malfunctioning leads...
February 14, 2018: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
Yoshiki Ikeda, Tomoka Hasegawa, Tomomaya Yamamoto, Paulo Henrique Luiz de Freitas, Kimimitsu Oda, Akiko Yamauchi, Atsuro Yokoyama
Early and immediate loading of dental implants has become a routine procedure in dental practices throughout the world, but the histological feature of peri-implant bone has not been fully understood. Therefore, we aimed to elucidate the histological response of peri-implant bone bearing the early occlusal loading using rat models. Four-week-old male Wistar rats were subjected to extraction of their maxillary left first molars and had titanium implants inserted immediately into the post-extraction sockets. In experimental groups at 1 week after placement, implants were loaded for 1 or 2 weeks by adding adhesive resin on the top of the screws...
February 12, 2018: Histochemistry and Cell Biology
Eleftherios Grizas, Stefanos Kourtis, Efstathia Andrikopoulou, Georgios E Romanos
Rehabilitation with implants in the esthetic zone is one of the most demanding tasks due to the importance of obtaining an optimum esthetic result. The aim of this article was to present a workflow to create, preserve, transfer and support the emergence profile in anterior maxillary implants. Different methods are used surgically as well as prosthetically to construct an ideal restoration. When immediate loading can be applied in cases of increased primary stability, a provisional restoration is placed with occlusal contacts...
February 12, 2018: Quintessence International
Marcus Hollenbach, Jürgen Feisthammel, Joachim Mössner, Albrecht Hoffmeister
BACKGROUND: Bile duct stones (BDS) are usually removed via endoscopic retrograde cholangiopancreatography (ERCP) or, if ERCP remains unsuccessful, percutaneous transhepatic cholangiodrainage (PTCD). However, PTCD provides limited access to large BDSs. We analyzed a modified approach of PTCD for percutaneous therapy of BDS. METHODS: We used a modified approach of PTCD with a 13-french (Fr) hemostasis introducer for transhepatic access to BDS. Short-wired balloon or basket catheter were applied for safe removal of BDS...
February 9, 2018: Digestion
Nils Kossack, Christian Schindler, Ines Weinhold, Lennart Hickstein, Moritz Lehne, Jochen Walker, Aljoscha S Neubauer, Dennis Häckl
Aim: Cataract extraction is one of the most frequent surgeries in Germany. In most cases, the clouded natural lens is replaced by a hydrophobic or hydrophilic acrylic intraocular lens (IOL) implant. The most common long-term complication after cataract surgery is the development of a posterior capsule opacification (PCO). Although no precise real world data are available, published evidence suggests a lower risk for PCO development for hydrophobic acrylic IOLs compared to hydrophilic acrylic IOLs...
2018: Journal of Public Health
Arnold J Greenspon, Elizabeth L Eby, Allison A Petrilla, M Rizwan Sohail
BACKGROUND: Cardiac implantable electronic device (CIED) infection is a serious adverse event, but there are limited contemporary real-world data on treatment pathways and associated costs in the Medicare population following diagnosis of CIED infection. Hence, this study evaluates post-infection treatment pathways and associated healthcare expenditures and mortality among Medicare fee-for service (FFS) beneficiaries with CIED infection. METHODS: Retrospective cohort analysis of 5,401 beneficiaries who developed a device-related infection in the year following implantation/upgraded CIED (1/1/2010-12/31/2012)...
February 6, 2018: Pacing and Clinical Electrophysiology: PACE
Takuma Miyamoto, Jamshid H Karimov, Kiyotaka Fukamachi
Continuous-flow (CF) left ventricular assist devices (LVADs) are widely used to treat end-stage heart failure. Despite substantial improvement in clinical results, numerous complications remain associated with this technology. Worsening renal function is one, associated with morbidity and mortality in patients supported by CF LVADs. The effects of CF LVAD support on renal function have been investigated since the mid-1990s by many research groups. Area covered: We review the current status of LVAD therapy, experimental results regarding the effects of types of flow generated by LVADs on renal function and pathology, changes in renal function after LVAD implant, the influence of renal function on outcomes, and risk factors for renal dysfunction post implant...
February 5, 2018: Expert Review of Medical Devices
Alessandro Borghi, Naiara Rodriguez-Florez, Will Rodgers, Gregory James, Richard Hayward, David Dunaway, Owase Jeelani, Silvia Schievano
Implantation of spring-like distractors in the treatment of sagittal craniosynostosis is a novel technique that has proven functionally and aesthetically effective in correcting skull deformities; however, final shape outcomes remain moderately unpredictable due to an incomplete understanding of the skull-distractor interaction. The aim of this study was to create a patient specific computational model of spring assisted cranioplasty (SAC) that can help predict the individual overall final head shape. Pre-operative computed tomography images of a SAC patient were processed to extract a 3D model of the infant skull anatomy and simulate spring implantation...
January 19, 2018: Medical Engineering & Physics
Jose Luis Calvo Guirado, Aldo Fabian Lucero-Sánchez, Ana Boquete Castro, Marcus Abboud, Sergio Gehrke, Manuel Fernández Dominguez, Rafael Arcesio Delgado Ruiz
The aim of this study was to evaluate the soft tissue thickness and marginal bone loss around dental implants with sloped micro-threaded shoulder (35° angle) in comparing with conventional design, inserted 35° degrees angulated in post extraction sockets and immediate loaded with temporary prosthesis simulating the all-on-four protocol. Materials and Methods: Six fox hound dogs received forty-eight post extraction dental implants with the same diameter and length (Medentika, Germany), but with different neck configurations...
January 12, 2018: Materials
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