نتایج جستجو برای: implant design

تعداد نتایج: 1002259  

2018
Yi-Kai Lo Po-Min Wang Genia Dubrovsky Ming-Dao Wu Michael Chan James C. Y. Dunn Wentai Liu

Implantable functional electrical stimulation (IFES) has demonstrated its effectiveness as an alternative treatment option for diseases incurable pharmaceutically (e.g., retinal prosthesis, cochlear implant, spinal cord implant for pain relief). However, the development of IFES for gastrointestinal (GI) tract modulation is still limited due to the poorly understood GI neural network (gut–brain ...

Journal: :International Journal of Computer Assisted Radiology and Surgery 2016

Journal: :The Journal of prosthetic dentistry 2011
Gerdien Telleman Gerry M Raghoebar Arjan Vissink Henny J A Meijer

A coded implant healing abutment makes an impression at the implant level no longer necessary. An impression is made of the healing abutment, which is placed onto the implant directly after implant placement. The codes embedded in the occlusal surface of the healing abutment provide essential information for the computer software to place the implant analog in the definitive cast and to design ...

2010
AAR. Rasouli Ghahroudi AR Talaeepour A. Mesgarzadeh AR. Rokn A. Khorsand NN. Mesgarzadeh MJ. Kharazi Fard

OBJECTIVE Vertical bone loss evaluations in the Nobel Biocare Replace(®) Select Tapered (™) implant system in the human after one-year loading time. MATERIALS AND METHODS This retrospective cross-sectional study was performed on 31 patients (14 men, 17 women; mean age, 60.39 years) receiving 170 implants (mean, 5.48 for each patient) of Groovy and Non-groovy designs in the Nobel Biocare Repla...

Journal: :Journal of biomechanical engineering 2012
Sajad Arabnejad Khanoki Damiano Pasini

Revision surgeries of total hip arthroplasty are often caused by a deficient structural compatibility of the implant. Two main culprits, among others, are bone-implant interface instability and bone resorption. To address these issues, in this paper we propose a novel type of implant, which, in contrast to current hip replacement implants made of either a fully solid or a foam material, consist...

Journal: :The International journal of oral & maxillofacial implants 2008
Stephen J Ferguson Jens D Langhoff Katrin Voelter Brigitte von Rechenberg Dieter Scharnweber Susanne Bierbaum Matthias Schnabelrauch Armin R Kautz Vinzenz M Frauchiger Thomas L Mueller G Harry van Lenthe Falko Schlottig

PURPOSE A satisfactory clinical outcome in dental implant treatment relies on primary stability for immediate load bearing. While the geometric design of an implant contributes to mechanical stability, the nature of the implant surface itself is also critically important. Biomechanical and microcomputerized tomographic evaluation of implant osseointegration was performed to compare alternative ...

Journal: :Journal of neurosurgery 1994
W T Couldwell T C Chen M H Weiss T Fukushima W Dougherty

The authors describe the use of a porous polyethylene Flexblock implant for cosmetic cranioplasty. The implant may be used to cover any small- or medium-sized (< 8 cm) cranial defect, offering similar cosmetic results to standard alloplast cranioplasty while decreasing operation time. The porous implant design permits ingrowth of soft tissue and bone to increase implant strength and decrease th...

2015
Johan Hartshorne

Critical appraisal conclusion: Periodontally compromised patients are at higher risk post-operative infection, marginal bone loss (peri-implant disease) and implant failures in comparison to periodontally healthy patients. The clinical significance and implications of the results of this review should be interpreted with caution due to lack of controlling important confounding factors such as s...

Journal: :The International journal of prosthodontics 1998
J E Davies

UNLABELLED Although the clinical term "osseointegration" describes the anchorage of endosseous implants to withstand functional loading, it provides no insight into the mechanisms of bony healing around such implants. Nevertheless, an understanding of the sequence of bone healing events around endosseous implants is believed to be critical in developing biologic design criteria for implant surf...

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