Implant performance

Xem 1-9 trên 9 kết quả Implant performance
  • Magnesium is the lightest of all the metals and the sixth most abundant on Earth. Magnesium is ductile and the most machinable of all the metals. Magnesium alloy developments have traditionally been driven by requirements for lightweight materials to operate under increasingly demanding conditions (magnesium alloy castings, wrought products, powder metallurgy components, office equipment, nuclear applications, flares, sacrificial anodes for the protection of other metals, flash photography and tools). The biggest potential market for magnesium alloys is in the automotive industry. ...

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  • This study combines the discussions of the main impacts on the European food sector (food crises, technology progress, globalisation) with a forward looking exercise. As a result, key categories for future research in the European food sector are outlined, and potential research priorities are defined. The distrust of consumers towards policy makers and food industry in the wake of several severe food scandals obviously had a strong influence on scientists and experts linked to the present study.

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  • Weight loss procedures are being performed more frequently to treat morbid obesity, with a six-fold increase over a recent 7-year time span; almost half of patients are women of reproductive age. The level of evidence on fertility, contraception, and pregnancy outcomes is limited primarily to case series and case reports. The evidence suggests that fertility improves after bariatric surgical procedures; however, data are too sparse to reach definite conclusions about the degree of improvement in fertility that is achieved.

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  • Defined in this way, a strategic communications audit has both evaluative and formative value. It is evaluative in that it provides a “snapshot” of where an organization currently stands in terms of its communication capacity or performance. It is formative in that it also points to areas in which the organization can strengthen its performance. Communications audits are a relatively common practice, though they are more common among for-profits than nonprofits, and not familiar to most non- communications professionals.

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  • This program focuses on farmlands located in Southern Thailand. ORRAF supports the initial budget to cover costs of clear felling, site preparation, seedlings, fertilizers, weeding and labour. The budget for the initial costs is 7300 baths per rai for a 7-year period, that is, until the farmer is allowed to conduct the first rubber tapping activities. Full payment of benefits is delivered to the small-scale farmer in seven instalments. The extension officers perform yearly auditing visits to the farmland sites in order to verify the proper use of funds.

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  • An organized system of follow-up is important for all device patients and is best facilitated through the patient's membership in a formal pacemaker/ICD follow-up clinic. The first formal clinic follow-up visit is usually scheduled at approximately 3 months after implantation to allow for completion of the lead-tissue maturation process, which may affect sensing and capture thresholds. Reprogramming, to account for any threshold change since implant, and still provide a safety margin along with improved battery life, may be done at that time.

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  • Brachytherapy Brachytherapy is the direct implantation of radioactive sources into the prostate. It is based on the principle that the deposition of radiation energy in tissues decreases as a function of the square of the distance from the source (Chap. 81). The goal is to deliver intensive irradiation to the prostate, minimizing the exposure of the surrounding tissues. The current standard technique achieves a more homogeneous dose distribution by placing seeds according to a customized template based on CT and ultrasonographic assessment of the tumor and computer-optimized dosimetry.

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  • Park et al. Journal of Orthopaedic Surgery and Research 2010, 5:40 http://www.josr-online.com/content/5/1/40 RESEARCH ARTICLE Research article Open Access The effect of abductor muscle and anterior-posterior hip contact load simulation on the in-vitro primary stability of a cementless hip stem Youngbae Park*†1, Carolyne Albert†2, Yong-San Yoon1, Göran Fernlund3, Hanspeter Frei4 and Thomas R Oxland5 Abstract Background: In-vitro mechanical tests are commonly performed to assess pre-clinically the effect of implant design on the stability of hip endoprostheses.

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  • The pioneering work of Bra˚ nemark ushered in a new era in dentistryd the era of implant dentistry. Bra˚ nemark and his colleagues created a new field of study from a serendipitous research observation, thus exemplifying Pasteur’s dictum that ‘‘chance favors the prepared mind.’’ Through further research, these investigators transformed the field of implantology from an unpredictable art to a well-grounded clinical science. This research provided the scientific basis for a set of strict clinical protocols.

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