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https://www.readbyqxmd.com/read/28720339/in%C3%A2-vitro-fit-of-cad-cam-complete-arch-screw-retained-titanium-and-zirconia-implant-prostheses-fabricated-on-4-implants
#1
Hadi Al-Meraikhi, Burak Yilmaz, Edwin McGlumphy, William Brantley, William M Johnston
STATEMENT OF PROBLEM: Computer-aided designed and computer-aided manufactured (CAD-CAM) titanium and zirconia implant-supported fixed implant prostheses on 4 implants have become popular. The precision and accuracy of their interface fit has not been widely researched. PURPOSE: The purpose of this in vitro study was to compare the marginal fit of zirconia and titanium implant-supported screw-retained CAD-CAM complete fixed dental prostheses (CFDP) fit with a standardized cast simulating the all-on-4 implant distribution...
July 15, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28712720/manual-aspiration-thrombectomy-in-patients-with-acute-stroke-related-calcified-cerebral-emboli
#2
Esther Koh, Hyo Sung Kwak, Gyung-Ho Chung
OBJECTIVE: The aim of this study was to evaluate the effectiveness of mechanical aspiration thrombectomy (MAT) in patients with acute ischemic stroke from calcified cerebral emboli. METHODS: Procedural results were reviewed for acute stroke patients with clinically neurological deficits who underwent recanalization from October 2012 through September 2015. Initial imaging studies and cerebral angiography were analyzed. RESULTS: Of the total number of patients with acute stroke, 5 patients were confirmed to have acute ischemic stroke by calcified cerebral emboli...
July 13, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28710081/use-of-a-next-generation-multi-durometer-long-guide-sheath-for-triaxial-access-in-flow-diversion-experience-in-95-consecutive-cases
#3
Li-Mei Lin, Matthew T Bender, Geoffrey P Colby, Narlin B Beaty, Bowen Jiang, Jessica K Campos, Judy Huang, Rafael J Tamargo, Alexander L Coon
BACKGROUND: Intracranial access techniques in modern neurointerventions have shifted towards more robust access platforms. The long guide sheath is one of the building blocks of triaxial systems used in intracranial embolizations. Here we present our experience with the AXS Infinity LS long sheath in the triaxial platform for the implantation of the Pipeline embolization device (PED). METHODS: We retrospectively identified patients who underwent PED Flex treatment with the AXS Infinity LS at a single institution...
July 14, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28709679/the-all-on-4-modified-polyetheretherketone-treatment-approach-a-clinical-report
#4
Panagiotis Zoidis
A modified polyetheretherketone (PEEK) implant framework material in combination with prefabricated high-impact poly(methyl methacrylate) (PMMA) veneers was used as an alternative material for the fabrication of a complete maxillary arch implant-supported fixed restoration. The elastic performance of the PEEK framework (elastic modulus of 4 GPa) combined with PMMA veneers may reduce the occlusal forces, protecting the implant-supported restoration and the opposing dentition, especially in all-on-4 treatments, where lack of proprioception and wide interimplant distance are present...
July 11, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28709676/fracture-load-of-complete-arch-implant-supported-prostheses-reinforced-with-nylon-silica-mesh-an-in%C3%A2-vitro-study
#5
Fernanda de Cássia Papaiz Gonçalves, Marina Amaral, Alexandre Luiz Souto Borges, Luiz Fernando Martins Gonçalves, Tarcisio José de Arruda Paes-Junior
STATEMENT OF PROBLEM: Complete-arch implant-supported prostheses without a framework have a high risk of failure: a straightforward and inexpensive reinforcement material, such as nylon mesh, could improve their longevity. PURPOSE: The purpose of this in vitro study was to evaluate a nylon-silica mesh compound on the fracture strength of acrylic resin and the fracture load of complete-arch implant-supported prostheses. MATERIAL AND METHODS: Twenty-four complete mandibular arch implant-supported prostheses were divided into 2 groups according to cantilever length (molar and premolar) and subdivided into another 2 subgroups according to the presence or absence of reinforcing mesh...
July 11, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28708922/assessment-of-long-term-survival-of-immediately-loaded-tilted-implants-supporting-a-maxillary-full-arch-fixed-prosthesis
#6
Tiziano Testori, Fabio Galli, Luca Fumagalli, Matteo Capelli, Francesco Zuffetti, Matteo Deflorian, Andrea Parenti, Massimo Del Fabbro
PURPOSE: To analyze the long-term outcome of fixed prostheses supported by six implants, two of which were tilted, placed in the maxilla and immediately loaded more than 10 years earlier. MATERIALS AND METHODS: A retrospective review of implants placed between May 29, 2003 and February 12, 2005 and used to support immediately loaded fixed dental prostheses in the maxilla was conducted. The features of failed implants were analyzed. In the most recent follow-up visits, survival of individual implants and prostheses was verified, and modified Plaque Index as well as modified Sulcular Bleeding Index were assessed...
July 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28702970/a-novel-cad-cam-based-surgical-template-for-mandibular-osteoplasty-and-guided-implant-insertion
#7
G B Menchini Fabris, F Gelpi, E Giammarinaro, E Velasco Ortega, S Marconcini, U Covani
Bone shaping is often a necessary procedure prior to implant insertion in mandibular full-arch rehabilitations. Adopting guided surgery procedures is necessary to use two distinct templates: one for bone shaping, a second for guided implant insertion. The present report describes the case of a 60-year-old patient requiring a full-arch, immediately loaded implant-supported mandibular rehabilitation. A CAD/CAM-bone supported surgical template for osteoplasty was used to develop a template for guided implant during an all-on-six immediate-loaded computer-aided implant surgery...
July 13, 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28702867/exercise-to-support-indigenous-pregnant-women-to-stop-smoking-acceptability-to-m%C3%A4-ori
#8
Vaughan Roberts, Marewa Glover, Lesley McCowan, Natalie Walker, Michael Ussher, Ihirangi Heke, Ralph Maddison
Objectives Smoking during pregnancy is harmful for the woman and the unborn child, and the harms raise risks for the child going forward. Indigenous women often have higher rates of smoking prevalence than non-indigenous. Exercise has been proposed as a strategy to help pregnant smokers to quit. Māori (New Zealand Indigenous) women have high rates of physical activity suggesting that an exercise programme to aid quitting could be an attractive initiative. This study explored attitudes towards an exercise programme to aid smoking cessation for Māori pregnant women...
July 12, 2017: Maternal and Child Health Journal
https://www.readbyqxmd.com/read/28697212/maxillary-implant-prosthodontic-treatment-using-digital-laboratory-protocol-for-a-patient-with-epidermolysis-bullosa-a-case-history-report
#9
Rubén Agustín-Panadero, Blanca Serra-Pastor, David Peñarrocha-Oltra, Miguel Peñarrocha-Diago
Epidermolysis bullosa belongs to a group of genetic diseases that present with skin disorders and is characterized by generalized blister formation in response to mechanical trauma. This article reports on the management of a recessive dystrophic epidermolytic patient with four remaining periodontally compromised maxillary teeth. Treatment involved placement of four maxillary implants and use of computer-aided design/computer-assisted manufacture techniques to fabricate a fixed full-arch implant-supported prosthesis...
July 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28689903/survival-of-2039-complete-arch-fixed-implant-supported-zirconia-prostheses-a-retrospective-study
#10
Avinash S Bidra, Michael Tischler, Claudia Patch
STATEMENT OF PROBLEM: Presently, data for the survival of 1-piece complete arch fixed implant-supported zirconia prostheses are limited. PURPOSE: The purpose of this retrospective study was to evaluate the survival outcomes of 1-piece complete arch fixed implant-supported zirconia prostheses fabricated by a single dental laboratory supporting several clinicians. MATERIAL AND METHODS: Outcome data were collected over a 5-year period from a large commercial dental laboratory that fabricated 2039 1-piece complete arch fixed implant-supported monolithic zirconia prostheses...
July 6, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28684391/the-effects-of-shoe-worn-insoles-on-gait-biomechanics-in-people-with-knee-osteoarthritis-a-systematic-review-and-meta-analysis
#11
REVIEW
Kathryn E Shaw, Jesse M Charlton, Christina K L Perry, Courtney M de Vries, Matthew J Redekopp, Jordan A White, Michael A Hunt
OBJECTIVES: The effect of shoe-worn insoles on biomechanical variables in people with medial knee osteoarthritis has been studied extensively. The majority of research has focused specifically on the effect of lateral wedge insoles at the knee. The aim of this systematic review and meta-analysis was to summarise the known effects of different shoe-worn insoles on all biomechanical variables during level walking in this patient population to date. METHODS: Four electronic databases were searched to identify studies containing biomechanical data using shoe-worn insole devices in the knee osteoarthritis population...
July 6, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28682273/relative-displacement-of-implant-supported-crowns-with-dental-arch-maturation
#12
Roger A Solow
No abstract text is available yet for this article.
July 2017: General Dentistry
https://www.readbyqxmd.com/read/28681442/does-the-presence-of-an-occlusal-indicator-product-affect-the-contact-forces-between-full-dentitions
#13
Jesse A Mitchem, Thomas R Katona, Elizabeth A S Moser
Studies have explored occlusal marking interpretation, repeatability and accuracy. But, when an occlusion detection product is interposed between teeth, direct tooth-tooth occlusal contact relationships are replaced by tooth-material-tooth structures. Thus, the marks cannot reflect the original contacts. This has been shown for single tooth pair contacts. The purpose of this laboratory study was to similarly examine full dentitions. A dentiform was set into Class I centric occlusion with the mandible supported by a load cell...
July 6, 2017: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/28675043/effect-of-round-curvature-of-anterior-implant-supported-zirconia-frameworks-finite-element-analysis-and-in-vitro-study-using-digital-image-correlation
#14
Ana Messias, Maria Augusta Neto, Ana Martins Amaro, Pedro Nicolau, Luis Manuel Roseiro
Two groups of 4-unit zirconia frameworks were produced by CAD/CAM to simulate the restoration of an anterior edentulous gap supported by 2 implant-abutment assemblies. Group 1 comprised straight configuration frameworks and group 2 consisted of arched frameworks. Specimens were made with the same connector cross-section area and were cemented and submitted to static loads. Displacements were captured with two high-speed photographic cameras and analysed with video correlation system. Frameworks and the implant-abutment assembly were scanned and converted to 3DCAD objects by reverse engineering process...
July 4, 2017: Computer Methods in Biomechanics and Biomedical Engineering
https://www.readbyqxmd.com/read/28656170/anatomic-spring-ligament-and-posterior-tibial-tendon-reconstruction-new-concept-of-double-bundle-ptt-and-a-novel-technique-for-spring-ligament
#15
Alireza Mousavian, Jakrapong Orapin, Apisan Chinanuvathana, Lew C Schon
A new technique in spring ligament reconstruction using medial half of posterior tibial tendon is demonstrated as a means of supporting the arch. In addition a new concept of double bundle PTT reconstruction based on anatomical attachments of original PTT is presented with the goal of obtaining the full function of PTT.
May 2017: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/28655434/immediate-full-arch-rehabilitation-of-the-severely-atrophic-maxilla-supported-by-zygomatic-implants-a-prospective-clinical-study-with-minimum-follow-up-of-6-years
#16
E L Agliardi, D Romeo, S Panigatti, M de Araújo Nobre, P Maló
The aim of this study was to evaluate the outcomes of immediate full-arch prostheses supported by zygomatic implants alone or in combination with standard fixtures after a minimum of 6 years of loading. From October 2008 to April 2010, 15 patients with severely atrophic maxillae were treated using four zygomatic implants or two zygomatic implants in conjunction with two conventional fixtures. All subjects received a fixed screw-retained prosthesis within 3hours of surgery, while the final restoration was delivered after 6 months...
June 24, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28652075/minimizing-the-discrepancy-between-implant-platform-and-alveolar-bone-for-tilted-implants-with-a-sloped-implant-platform-a-clinical-report
#17
Fernando Rojas-Vizcaya, Homayoun H Zadeh
In a patient with edentulism, distally tilted implants with a novel sloped implant platform were used to minimize the discrepancy between the implant platform and alveolar bone crest and to restore complete-arch monolithic zirconia implant-supported fixed prostheses.
June 23, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28649268/muscle-development-in-the-shark-scyliorhinus-canicula-implications-for-the-evolution-of-the-gnathostome-head-and-paired-appendage-musculature
#18
Janine M Ziermann, Renata Freitas, Rui Diogo
BACKGROUND: The origin of jawed vertebrates was marked by profound reconfigurations of the skeleton and muscles of the head and by the acquisition of two sets of paired appendages. Extant cartilaginous fish retained numerous plesiomorphic characters of jawed vertebrates, which include several aspects of their musculature. Therefore, myogenic studies on sharks are essential in yielding clues on the developmental processes involved in the origin of the muscular anatomy. RESULTS: Here we provide a detailed description of the development of specific muscular units integrating the cephalic and appendicular musculature of the shark model, Scyliorhinus canicula...
2017: Frontiers in Zoology
https://www.readbyqxmd.com/read/28648010/-experience-of-sun-s-procedure-for-chronic-type-b-dissection-with-aortic-arch-involvement
#19
R D Qi, J M Zhu, L Chen, C N Li, Z Y Qiao, L J Cheng, Y P Ge, H O Hu, Y Xia, X Y Xing, T Zheng, Y M Liu, L Z Sun
Objective: To study the surgical treatment of chronic type B dissection with aortic arch involvement using Sun's procedure. Methods: Between February 2009 and December 2015, 29 patients [20 males, 9 females, with a mean age of (41±12) years, range 24-64 years] with type B dissection with aortic arch involvement underwent Sun's procedure. Sixteen patient had a history of hypertension. Marfan syndrome was observed in 9 cases, coronary artery disease in 3 cases, mitral regurgitation in 3 patients, cerebrovascular disease in one patient...
June 27, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28643825/-a-phd-completed-10-implant-supported-removable-partial-dentures-in-a-kennedy-class-i-situation-in-the-mandible
#20
C Jensen-Louwerse
Implant-supported removable partial dentures in the mandible often cause problems, which means that patients wear their dentures seldom if at all. A solution is to place implants that the dentures can be snapped onto. There is, however, no consensus about the best position of the implants in the mandible yet. In addition, it is worthwhile to balance the cost of treatment with its effectiveness. In a randomised cross-over clinical trial involving 30 patients with a shortened dental arch, the implant-supported removable partial denture in the mandible was evaluated based on the experience of the patient, mean time of wearing, chewing ability and the clinical and radiographic parameters in relation to 2 different implant positions: 2 in the pre-molar region or 2 in the molar region...
June 2017: Nederlands Tijdschrift Voor Tandheelkunde
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