Results 31 to 40 of about 469 (162)

Fracture Resistance of Zirconia, Polyetheretherketone, and Polyetherketoneketone Implant Abutments After Aging

open access: yesThe International Journal of Oral & Maxillofacial Implants, 2021
This study aimed to assess the fracture resistance of zirconia (Zr), reinforced polyetheretherketone (PEEK), and polyetherketoneketone (PEKK) implant abutments restored with glass-ceramic crowns after thermomechanical aging.Zr, reinforced PEEK, and PEKK titanium base abutments were divided into three groups (n = 10).
Turksayar, Almira Ada Diken   +1 more
openaire   +4 more sources

Assessing the shear viscous behavior of continuous carbon fiber reinforced PEKK composites with squeeze flow measurements

open access: yesPolymer Testing, 2023
Out-of-autoclave processes of carbon fiber thermoplastic composites are gaining interest as they can drastically reduce the economic cost. To optimize consolidation, the flow behavior of these highly filled composites has to be characterized.
R. Arquier   +3 more
doaj   +1 more source

Effect of cleansers on denture base resins’ structural properties

open access: yesJournal of Applied Biomaterials & Functional Materials, 2019
Introduction: We assessed the effect of different available denture cleansers on the roughness and hardness of polyetherketoneketone, thermoinjection-molded polyamide, and polymethylmethacrylate.
Ozgun Yusuf Ozyilmaz, Ceyda Akin
doaj   +1 more source

Investigation of the drilling performance and residual tensile behavior of polyetherketoneketone plates

open access: yesPolymer Testing, 2023
Due to the excellent properties of PEEK and their widely applications in medical industry, it is necessary to conduct a comparative study into the drilling performance and residual tensile behavior of PEEK plates under varying cutting conditions. In this
Jing Zhao   +6 more
doaj   +1 more source

Bonding behaviour of polyetherketoneketone to methylmethacrylate- and dimethacrylate-based polymers

open access: yesThe journal of adhesive dentistry, 2017
PURPOSE: To investigate the impact of pretreatment and conditioning on bonding behavior of polyetherketoneketone (PEKK) to methylmethacrylate(MMA)- and dimethacrylate(DMA)-based polymers. MATERIALS AND METHODS: 1200 PEKK substrates (Pekkton ivory) were fabricated, air abraded (110 µm, Al2O3) and divided into 8 pretreatment groups as follows: 1.
Stawarczyk, Bogna   +4 more
openaire   +2 more sources

Full Characterization of Water Transport Properties in Polyetherketoneketone (PEKK)

open access: yesACS Applied Polymer Materials, 2022
Polyetherketoneketone (PEKK) is of increasing interest for the manufacture of composites in the aeronautical field. It is essential to evaluate PEKK absorption of fluids, especially water, with which it may come into contact during its processing and use.
Lesimple, Gwladys   +3 more
openaire   +2 more sources

Reconstruction of frontal bone using patient specific implant poly-ether-ketone-ketone via a lateral nasal/lynch incision

open access: yesOral and Maxillofacial Surgery Cases, 2023
Trauma to the craniofacial structures can result in both functional and aesthetic defects. Mucosa lines the frontal sinus outflow tract (FSOT) from the frontal sinus to the nasal cavity and any obstruction to the flow of mucus can lead to complications ...
Dana Jackson   +2 more
doaj   +1 more source

Comparison of tensile bond strength of ball attachments made of different materials to root canal dentin after chewing simulation

open access: yesBMC Oral Health, 2022
Background Debonding of ball attachments is one of the complications that annoy teeth supported overdenture wearers. The polyetheretherketone (PEEK) and polyetherketoneketone (PEKK) polymers are widely applied in the dental field.
Ahmed Mostafa Abdelfattah Mohamed   +3 more
doaj   +1 more source

Review of articular cartilage repair techniques and their application in the horse

open access: yesEquine Veterinary Journal, EarlyView.
Abstract Articular cartilage lesions represent a significant career‐limiting problem in athletic horses. A healthy articular cartilage surface is vital for optimal joint function, and defects can result in irreversible degenerative changes. Successful treatment of cartilage lesions remains a long‐standing challenge for orthopaedic surgeons, prompting ...
Charlotte K. Barton   +2 more
wiley   +1 more source

Thermal conductivity and diffusivity of carbon‐reinforced polyetherketoneketone composites [PDF]

open access: yesJournal of Applied Polymer Science, 2019
ABSTRACTHeat transfer properties play an important role in processing of polyetherketoneketone (PEKK)/carbon fiber (CF) composites. Accordingly, thermal conductivity and diffusivity of PEKK, PEKK/glassy carbon (GC), and PEKK/CF composites have been studied. Observed increase in conductivity and diffusivity with carbon filler addition was analyzed using
Coulson, Mike   +4 more
openaire   +4 more sources

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