Results 1 to 10 of about 715 (141)

Polyetherketoneketone (PEKK): An emerging biomaterial for oral implants and dental prostheses [PDF]

Journal of Advanced Research, 2021
Background: The polyetherketoneketone (PEKK) and polyetheretherketone (PEEK) are the two most well-known of the polyaryletherketone (PAEK) family. PEKK is a new evolving polymeric material.
Hatim Alqurashi, Zohaib Khurshid, Azeem Ul Yaqin Syed   +2 more
exaly   +7 more sources

Controlling Crystallization: A Key Factor during 3D Printing with the Advanced Semicrystalline Polymeric Materials PEEK, PEKK 6002, and PEKK 7002

Macromolecular Materials and Engineering, 2023
Controlling the crystallization of advanced, high‐performance polymeric materials during 3D printing is critical to ensure that the resulting structures have appropriate mechanical properties.
Krzysztof Rodzen, Alistair Mcilhagger, Brian J Meenan   +2 more
exaly   +3 more sources

Crystallinity studies of PEKK and carbon fibre/PEKK composites: A review

Composites Part B: Engineering, 2021
Abstract Poly(etherketoneketone) (PEKK) is a thermoplastic, part of the poly(aryletherketone) (PAEK) family of polymers, with excellent mechanical performance and chemical resistance properties that make it an interesting candidate as a matrix for high-performance composites.
Helena Perez-Martin, Conchúr M O Brádaigh, Dipa Ray   +2 more
exaly   +6 more sources

Biomechanical Analysis of Mandibular Implant-Supported Overdentures With Different Retention Materials [PDF]

International Dental Journal
Purpose: The aim of this study is to evaluate the biomechanical effects of different modulus of elasticity retentive materials (titanium [Ti]; polyetheretherketone [PEEK] and polyetherketoneketone [PEKK]) on mandibular implant-supported overdentures ...
Jing Li, Weijun Zhang, Zhe Qu, Qi Chen, Jiafei Wang, Jing Xu, Xiang Zhang   +6 more
doaj   +2 more sources

Morphological, Thermal, and Mechanical Analysis of 3D Printed Polyetherketoneketone (PEKK) and PEKK‐Hydroxyapatite Composites: Establishing the Reference Enthalpy of Fusion for Crystalline PEKK 7003

Macromolecular Materials and Engineering
The enthalpy of fusion (ΔHf) is a critical parameter for determining the degree of crystallinity in semi‐crystalline polymers such as polyetherketoneketone (PEKK).
Frances Hasson, Krzysztof Rodzeń, Joanna Ward, Alistair McIlhagger, Eiméar O'Donnell, Adrian Boyd   +5 more
doaj   +2 more sources

Sulfonated polyether ketone ketone (SPEKK) implant as an alternative to titanium implant-in vivo study on Wistar Albino rat mandible [PDF]

BMC Oral Health
Background Titanium is commonly used for dental implants due to its high biocompatibility and durability. However, concerns about metal ion release and aesthetic limitations in certain tissue biotypes have driven the search for alternative materials ...
Bhavini Nahata, Subhabrata Maiti, Mohanraj Karthik Ganesh, Artak Heboyan, Lokesh Sai, Jessy Paulraj   +5 more
doaj   +2 more sources

Assessing the role of PEKK implant material on cytotoxicity, inflammatory response, and molecular interactions with pro-inflammatory cytokines: An in-vitro and in-silico study [PDF]

Journal of Oral Biology and Craniofacial Research
Introduction: and aim: Due to its excellent mechanical strength and biocompatibility, Polyetherketoneketone (PEKK) is emerging as a potential substitute for titanium in dental implant applications.
Amrutha Shenoy, Subhabrata Maiti, Selvaraj Jayaram, Pradeep kumar yadalam, Jessy Paulraj   +4 more
doaj   +2 more sources

Designing Superhydrophilic 3D Porous Surfaces on Polyetherketoneketone Surfaces to Promote Biocompatibility [PDF]

Journal of Functional Biomaterials
Polyetherketoneketone (PEKK) exhibits satisfactory mechanical properties and biocompatibility, with an elastic modulus closely resembling that of natural bone. This property reduces the stress-shielding effect associated with bone implants.
Hui-Ching Lin, Chiang-Sang Chen, Kai-Yi Lin, Ya-Lin Huang, Hao-Hsiang Hsu, Yu-Lin Kuo, Wei-Cheng Chen, Her-Hsiung Huang   +7 more
doaj   +2 more sources

The Use of PEEK and PEKK in Prosthodontics

Current Research in Dental Sciences
It is stated that the search for new materials in today's dentistry continues in order to meet aesthetic and functional expectations. As a result of these searches, materials such as PEEK (polyetheretherketone) , PEKK(polyetherketoneketone) and BioHPP ...
Hatice Özdemir, Gizem Erdaş
doaj   +2 more sources

A comparative quantitative assessment of 3D-printed PEKK and PEEK thin meshes in customized alveolar bone augmentation [PDF]

BMC Oral Health
Objective Customized nonabsorbable membranes are widely used in severe alveolar bone defects and provide sufficient and precise regenerated bone tissue for subsequent dental implant placement.
Xin-Rui Zhu, Chang Chen, Yun-Wei Hua, Xiao-Ying Xu, Ping Song, Rui-Yong Wang, Chen-Xi Wang   +6 more
doaj   +2 more sources