Results 81 to 90 of about 792 (177)

Custom and prefabricated PolyEtherKetoneKetone (PEKK) post‐core systems bond strength: Scanning electron microscopy evaluation

, 2020
The present study evaluated the bond strengths of prefabricated PolyEtherKetoneKetone (PEKK) posts, PEKK posts custom-configured according to root-canal size, and conventional fiber posts. A total of 30 maxillary incisors were randomly divided into three
Melahat Çelik Güven, Mumcu, Emre, Yildirim, Gulhan, Süleyman Çağatay Dayan, DAYAN, Süleyman Çağatay, Emre Mumcu, Gülhan Yıldırım, Guven, Melahat Celik   +7 more
core   +1 more source

Investigation of the compaction density of electromagnetic moulding of poly(ether-ketone-ketone) polymer powder

e-Polymers
During the moulding process of polymer composite powders, carbonisation often occurs owing to the insufficient ability to control temperature, thereby affecting the service performance of parts.
Xu Fan, Liu Hong, Yao Quantong, Wang Huixiong   +3 more
doaj   +1 more source

The stress distribution of implants made of Polyaryletherketones: A 3D Finite Element Analysis

Acta Odontologica Turcica
OBJECTIVE: To explore the stress distribution on the bone-implant structures caused by the Polyetheretherketone (PEEK), Polyetherketoneketone (PEKK), and titanium fixture/abutments by using the three-dimensional (3D) finite element analysis (FEA ...
Muhammed Bekci, Mehmet Güler, Ahmet Serkan Küçükekenci   +2 more
doaj   +1 more source

Towards understanding the hole making performance and chip formation mechanism of thermoplastic carbon fibre/polyetherketoneketone composite

, 2022
Here, we report the first study on the hole making performance of thermoplastic carbon fibre/polyetherketoneketone (CF/PEKK) composite. Different hole making methods (conventional drilling vs.
Giuseppe Catalanotti (7018385), John McClelland (20082549), Brian Falzon (20003664), Yan Jin (143500), Jia Ge (1685830), Colm Higgins (20082552), Dan Sun (140898)   +6 more
core  

Ultrasound-activated piezo-hot carriers trigger tandem catalysis coordinating cuproptosis-like bacterial death against implant infections

Nature Communications
Implant-associated infections due to the formation of bacterial biofilms pose a serious threat in medical healthcare, which needs effective therapeutic methods.
Yanli Huang, Xufeng Wan, Qiang Su, Chunlin Zhao, Jian Cao, Yan Yue, Shuoyuan Li, Xiaoting Chen, Jie Yin, Yi Deng, Xianzeng Zhang, Tianmin Wu, Zongke Zhou, Duan Wang   +13 more
doaj   +1 more source

Non-Syndromic Tooth Agenesis: Interdisciplinary Case

International Dental Journal
Introduction: This case employed orthodontic space redistribution for missing teeth, integrating digital technologies (intraoral scanning, CAD-CAM) for diagnostic and definitive prosthesis fabrication.
Ou-Yang Shaobo, Lian Lan, Hong Jinming
doaj   +1 more source

Impact of different annealing methods on MEX-printed polyetherketoneketone parts

Material extrusion is an established category of additive manufacturing, primarily using thermoplastic materials for product development. The continuous quest for improved material properties and superior surface finish has driven significant interest in
Butt, Javaid, Mohaghegh, Vahaj
core   +1 more source

Carbon fiber-reinforced PEEK surpasses subtractive manufacturing reproducibility: systematic comparison of PAEK variants in high-temperature material extrusion for patient-specific implants

Materials & Design
Material extrusion (MEX) of high-performance polymers typically yields lower dimensional performance than subtractive manufacturing, thereby limiting clinical applications. This study systematically compared MEX across polyaryletherketone (PAEK) variants,
Neha Sharma, Jokin Zubizarreta Oteiza, Stefan Busch, Federico Dalcanale, Michael de Wild, Daniel Seiler, Dominik Cordier, Florian M. Thieringer   +7 more
doaj   +1 more source

Use of high-performance polymeric materials in customized low-cost robotic grippers for biomechatronic applications: experimental and analytical research

Frontiers in Materials
Advancements in materials science and 3D printing technologies have opened up new avenues for developing low-cost robotic grippers with high-performance capabilities, making them suitable for various biomechatronic applications.
Răzvan Ioan Păcurar, Filippo Sanfilippo, Martin Bjaadal Økter, Diana-Irinel Băilă, Cătălin Zaharia, Adrian Ionuţ Nicoară, Ionuț Cristian Radu, Tom Savu, Filip Górski, Wiesław Kuczko, Radosław Wichniarek, Dan Sorin Comşa, Martin Zelenay, Paweł Woźniak   +13 more
doaj   +1 more source

Deformation and Energy Absorption Characteristics of Metallic Thin-Walled Tube with Hierarchical Honeycomb Lattice Infills for Crashworthiness Application

Metals
This paper investigates the axial deformation characteristics and crashworthiness of thin-walled metal tubes (TWT) reinforced with Polyetherketoneketone (PEKK) honeycomb lattice structures consisting of bio-inspired hierarchical cellular topological ...
Shahrukh Alam, Mohammad Uddin, Colin Hall   +2 more
doaj   +1 more source