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الصفحة 1 من عند 43 النتائج
Influence of fatigue testing and cementation mode on the load-bearing capability of bovine incisors restored with crowns and zirconium dioxide posts.
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The aim of the study was to evaluate the influence of fatigue and cementation mode on the fracture behavior of endodontically treated bovine incisors restored with zirconium dioxide posts and crowns. Forty-eight endodontically treated bovine primary incisors were restored with zirconium dioxide
Phase Exchange Driven Wake-Up and Fatigue in Ferroelectric Hafnium Zirconium Oxide Films.
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Ferroelectric hafnium zirconium oxide holds great promise for a broad spectrum of CMOS compatible and scaled microelectronic applications, including memory, low voltage transistors, and infrared sensors, among others. An outstanding challenge hindering implementation of this material is polarization
Effect of fatigue loading on the screw joint stability of zirconium abutment.
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OBJECTIVE
This study evaluated the effect of fatigue loading on the screw joint stability of a zirconium abutment connected to an external hexagon implant in vitro.
METHODS
Fifteen titanium and 15 zirconia abutments of 3 different heights (5, 8, and 11 mm) were connected to external titanium
Fatigue limit of polycrystalline zirconium oxide ceramics: Effect of grinding and low-temperature aging.
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The following study aimed to evaluate the effect of grinding and low-temperature aging on the fatigue limit of Y-TZP ceramics for frameworks and monolithic restorations. Disc specimens from each ceramic material, Lava Frame (3M ESPE) and Zirlux FC (Ivoclar Vivadent) were manufactured according to
Reliability and fatigue failure modes of implant-supported aluminum-oxide fixed dental prostheses.
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OBJECTIVE
To investigate failure modes and reliability of implant-supported aluminum-oxide three-unit fixed dental prostheses (FDPs) using two different veneering porcelains.
METHODS
Thirty-six aluminum-oxide FDP frameworks were computer-aided designed and computer-aided manufactured and either
Mechanical fatigue degradation of ceramics versus resin composites for dental restorations.
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OBJECTIVE
For posterior partial restorations an overlap of indication exists where either ceramic or resin-based composite materials can be successfully applied. The aim of this study was to compare the fatigue resistance of modern dental ceramic materials versus dental resin composites in order to
Fatigue and fracture properties of yttria partially stabilized zirconia crown systems.
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OBJECTIVE
The purpose of this study was to test in vitro the fatigue and fracture properties of the Zirconia Everest core material after being veneered with a sintered or a heat-pressed veneer material.
METHODS
Fifty zirconium copings were made using Kavo Everest ZS-blanks and the CAD/CAM
Low Cycle Fatigue Properties of Sc-Modified AA2519-T62 Extrusion.
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This investigation presents the results of research on low cycle fatigue properties of Sc-modified AA2519-T62 extrusion. The basic mechanical properties of the investigated alloy have been established in the tensile test. The low cycle fatigue testing has been performed on five different levels of
Effect of Abutment Preparation and Fatigue Loading in a Moist Environment on the Fracture Resistance of the One-Piece Zirconia Dental Implant.
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OBJECTIVE
One-piece zirconia dental implants have been widely used in Europe for many years. This in vitro study was done to evaluate the effect of abutment preparation and fatigue (cyclic) loading in a moist environment on the fracture resistance of the one-piece zirconia dental
Evaluation of a new titanium-zirconium dental implant: a biomechanical and histological comparative study in the mini pig.
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BACKGROUND
Titanium zirconium alloy with 13-17% zirconium (TiZr1317) shows significantly better mechanical attributes than pure Ti with respect to elongation and fatigue strength. This material may be suitable for thin implants and implant components exposed to high mechanical
Clinical and radiographic evaluation of narrow-diameter titanium-zirconium implants in unilateral atrophic mandibular distal extensions: a 1-year pilot study.
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BACKGROUND
The use of endosseous dental implants has led to more sophisticated fxed options when considering treatment of patients with distal extensions. The use of narrow-diameter implants may reduce the necessity for bone augmentation. The mechanical strength of titanium is limited, so titanium
Potential for adhesive wear in friction couples of UHMWPE running against oxidized zirconium, titanium nitride coatings, and cobalt-chromium alloys.
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The classical wear mechanisms abrasion, fatigue, and adhesion are the most frequent causes of surface changes of ultra high molecular weight polyethylene (UHMWPE) in artificial joints. The counterpart material has a strong influence on the wear and friction behavior of artificial joints due to its
Mechanical integrity of cement- and screw-retained zirconium-lithium silicate glass-ceramic crowns to Morse taper implants.
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BACKGROUND
The improved esthetics of ceramic dental prostheses has increased their popularity, although their high elastic modulus and low fracture toughness and tensile strength may reduce the long-term performance of dental prostheses.
OBJECTIVE
The purpose of this in vitro study was to assess the
Reliability and failure modes of implant-supported zirconium-oxide fixed dental prostheses related to veneering techniques.
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OBJECTIVE
To compare fatigue failure modes and reliability of hand-veneered and over-pressed implant-supported three-unit zirconium-oxide fixed-dental-prostheses(FDPs).
METHODS
Sixty-four custom-made zirconium-oxide abutments (n=32/group) and thirty-two zirconium-oxide FDP-frameworks were CAD/CAM
Fatigue behavior of ultrafine tabletop ceramic restorations.
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The goal of this study was to investigate the fatigue life, failure modes, and stress distribution of partial ultrafine restorations for posterior teeth in different ceramics.
Sixty standard tabletop preparations in epoxy resin G10 received lithium-silicate-based zirconia-reinforced (ZLS) or hybrid
قاعدة بيانات الأعشاب الطبية الأكثر اكتمالا التي يدعمها العلم
- يعمل في 55 لغة
- العلاجات العشبية مدعومة بالعلم
- التعرف على الأعشاب بالصورة
- خريطة GPS تفاعلية - ضع علامة على الأعشاب في الموقع (قريبًا)
- اقرأ المنشورات العلمية المتعلقة ببحثك
- البحث عن الأعشاب الطبية من آثارها
- نظّم اهتماماتك وابقَ على اطلاع دائم بأبحاث الأخبار والتجارب السريرية وبراءات الاختراع
اكتب أحد الأعراض أو المرض واقرأ عن الأعشاب التي قد تساعد ، واكتب عشبًا واطلع على الأمراض والأعراض التي تستخدم ضدها.
* تستند جميع المعلومات إلى البحوث العلمية المنشورة
