Results 21 to 30 of about 59,363 (170)

High-performance epoxy vitrimer from commercial epoxy-anhydride with reprocessable and chemical degradable properties

Frontiers in Materials
Epoxy vitrimer is a kind of recyclable polymer that can reconstruct their network topology through chemical bond exchange reactions, providing an innovative solution for the thermosets recycling dilemma.
Liang Gao, Hao Wang, Xuan Yao, Zhiran Zheng, Liyu Wang, Zixuan Wang, Yonggui Wang, Baoyan Zhang, Xianghai Jing, Jianqiao Wu   +9 more
doaj   +1 more source

Nanohybrid and microfilled composite resin in Class II restoration of permanent molar teeth

Bangabandhu Sheikh Mujib Medical University Journal, 2019
The aim of this study was to compare the clinical performance of nanohybrid composite resin in Class II restorations placed with a one-step self-etch adhesive with that of microfilled composite resin of permanent posterior molar teeth.
Hasan Ali, Md. Joynal Abdin, Noor Jahan Akhter, Mozammal Hossain   +3 more
doaj   +1 more source

Clinical Evaluation of Nanohybrid Organically Modified Ceramic and Nanohybrid Conventional Bulk-fill Resin Composite in Proximal Compound Posterior Restorations: Randomized Clinical Study [PDF]

International Journal of Prosthodontics and Restorative Dentistry
Purpose: This study compared the clinical efficacy of nanohybrid organically modified ceramic (ORMOCER) bulk-fill resin composite vs nanohybrid conventional bulk-fill resin composite in proximal compound posterior restorations.
Safinaz H Fahmy, Mohamed R El-Bialy, Omaima M Safwat   +2 more
doaj   +1 more source

Properties of electrical tree resistance of silicone‐modified epoxy resin matrix composites

IET Science, Measurement & Technology, 2023
In order to improve the electrical tree resistance of epoxy resin, composites were prepared using dihydroxydiphenylsilane and a novel silicone modifier modified epoxy resin and micron silica, and the composites were subjected to accelerated thermal aging
Yongqiang Wang, Tianyu Ma, Fengxiao Zhang, Jing Shang   +3 more
doaj   +1 more source

PENGARUH JUS JERUK DAN MINUMAN BERKARBONASI TERHADAP KEKERASAN PERMUKAAN RESIN KOMPOSIT

ODONTO: Dental Journal, 2017
Background: Orange juice and Carbonat drink contains an acid agent which can affect the surface hardness of composite resin. Changes of surface hardness of composite resin is caused by infiltration of water containing the acid agent that affect the ...
Rusna Fiki Kafalia, Muh. Dian Firdausy, Arlina Nurhapsari   +2 more
doaj   +1 more source

The Effect of Espresso and Drip Brewing Coffee Methode to The Hardness of Bulk-Fill Composite Resin

Jurnal Kedokteran Diponegoro, 2022
Background: The most restoration material used currently in dentistry was composite resin. The newest generation of composite resin was bulk-fill composite resin. The bulk-fill composite resin had advantages of lower polymerization contraction and a more
Rahmadani Widya Atmani, Diah Ajeng Purbaningrum, Faizah Fulyani, Lusiana Batubara   +3 more
doaj   +1 more source

Air Pollution Exposure Duration and Its Correlation with Triglyceride, HDL, and Atherogenic Index in Online Motorcycle Drivers

Jurnal Kedokteran Diponegoro, 2022
Background: The most restoration material used currently in dentistry was composite resin. The newest generation of composite resin was bulk-fill composite resin. The bulk-fill composite resin had advantages of lower polymerization contraction and a more
Adrian Stefanus Herawan, Edward Kurnia Setiawan Limijadi, Donna Hermawati, Lusiana Batubara   +3 more
doaj   +1 more source

Interfacial microscopic examination and chemical analysis of resin-dentin interface of self-adhering flowable resin composite [version 4; referees: 2 approved]

F1000Research, 2018
Background: The newly introduced self-adhering flowable resin-composites decrease the required time for application by incorporation of an acidic adhesive monomer, thus reducing the number of steps, but its bonding is still uncertain.
Tamer M. Hamdy
doaj   +1 more source

Investigation of cycloaliphatic amine-cured bisphenol-A epoxy resin under quenching treatment and the effect on its carbon fiber composite lamination strength

Journal of the Mechanical Behavior of Materials, 2023
Thermosetting epoxy resin polymer with cycloaliphatic amines curing agent has been widely used for a composite matrix with carbon fiber reinforcement.
Sukanto Heru, Raharjo Wijang Wisnu, Ariawan Dody, Triyono Joko   +3 more
doaj   +1 more source

Shear bond strength of ceramic brackets to resin-composite surfaces

Australasian Orthodontic Journal, 1997
In this study, two types of ceramic brackets – monocrystalline and polycrystalline – were bonded to unroughened and roughened resin-composite discs using a light-cured orthodontic adhesive, and the bonds tested under shear stress in a universal testing ...
Chunhacheevachaloke Ekachai, Tyas Martin J.   +1 more
doaj   +1 more source