Results 11 to 20 of about 54,423 (265)

Effect of eggshell powder application on the shear bond strength of bulk-fill resin composite to bleached enamel

Bulletin of the National Research Centre, 2021
Objective To investigate experimental eggshell powder (ESP) solution application effect on shear bond strength (SBS) test timing of bulk-fill resin composite to bleached enamel.
Lamiaa M. Moharam, Shahinaz N. Hassan
doaj   +1 more source

Impact of endodontic irrigants on surface roughness of various nickel-titanium rotary endodontic instruments

BMC Oral Health, 2023
Background The aim of the current study is to assess the surface roughness of several recent nickel-titanium (Ni-Ti) rotary endodontic instruments, namely: Protaper next (PTN); Hyflex CM (CM); Hyflex EDM (EDM); WaveOne gold (WOG); and trunatomy (TN ...
Tamer M. Hamdy, Yasmine Mohsen Alkabani, Amira Galal Ismail, Manar M. Galal   +3 more
doaj   +1 more source

A comparative finite analysis of the mechanical behavior of ProTaper NEXT and WaveOne rotary files

Bulletin of the National Research Centre, 2019
Finite element analysis was used to evaluate the stress distribution, estimate the residual stresses, bending, and amount of displacement of two nickel-titanium instruments manufactured by the same M-wire technology but with different cross-section ...
Nada Omar, Amira Galal Ismail, Manar Galal, Mohamed H. Zaazou, Mohamed Abdullah Mohamed   +4 more
doaj   +1 more source

Effect of experimental moringa and propolis toothpastes on surface microhardness of simulated hypersensitive dentin

Bulletin of the National Research Centre, 2021
Objective Objective was to investigate the effect of NovaMin toothpaste and two experimental toothpastes on surface microhardness of hypersensitive dentin.
Hoda R. Riad, Osama S. Mosallam, Alaa H. Salama, Lamiaa M. Moharam, Mohamed H Zaazou, Hanan A. Niazi, Mokhtar N. Ibrahim   +6 more
doaj   +1 more source

The applications of nanotechnology in restorative dentistry: a review study [PDF]

Nanomedicine Journal, 2019
Nanotechnology has various applications in restorative dentistry in order to achieve reliable treatment outcomes. The present study aimed to comprehensively review the studies focused on the applications of nano-based materials, technologies, and methods
Mona Malek, Fatemeh Farzaneh, Yasaman Samani, Fatemeh Pachenari, Hamid Pachenari   +4 more
doaj   +1 more source

Comparative evaluation of antibacterial efficacy different bioactive smart composites: An in vitro study

Journal of Indian Society of Pedodontics and Preventive Dentistry, 2021
Background: Composites are the widely used restorative materials, and over the year, newer restorative composites have been introduced to eliminate the drawbacks of previous ones.
Pradnya Ramkrishna Chaudhari, N D Shashikiran, Sachin Gugawad, Namrata Gaonkar, Swapnil Taur, Savita Hadkar, Shreya Bapat   +6 more
doaj   +1 more source

Effect of lithium disilicate ceramic thickness, shade and translucency on transmitted irradiance and knoop microhardness of a light cured luting resin cement

Journal of Materials Science: Materials in Medicine, 2021
This in vitro study evaluates the influence of pressed lithium disilicate thickness, shade and translucency on the transmitted irradiance and the Knoop microhardness (KHN) of a light-cured resin cement at two depths.
Lincoln Pires Silva Borges, Gilberto Antônio Borges, Américo Bortolazzo Correr, Jeffrey A. Platt, Sidney Kina, Lourenço Correr-Sobrinho, Ana Rosa Costa   +6 more
doaj   +1 more source

The effects of pediatric dentifrices with different types of fluoride on the color change of restorative materials

European Oral Research, 2022
Purpose: This study aimed to evaluate the effects of dentifrices with different fluoride content on color change of restorative materials commonly used in pediatric dentistry. Materials and methods: Three restorative materials (glass hybrid [Equia Forte (
Emine Kaya, Sinem Yıldırım
doaj   +1 more source

Elemental and morphological analysis of enamel following the application of two bleaching systems with amorphous calcium phosphate: effect on enamel erosion susceptibility

Bulletin of the National Research Centre, 2021
Background Using remineralizing agents during and after bleaching procedures could maintain enamel surface, decreasing its erosive susceptibility. This study evaluated the efficacy of an in-office and at-home bleaching materials with amorphous calcium ...
Shaymaa M. Nagi, Shahinaz H. Nabil, Mohamed H. Zaazou   +2 more
doaj   +1 more source

Coronal microleakage with five different temporary restorative materials following walking bleach technique: An ex-vivo study

Contemporary Clinical Dentistry, 2012
Context: Walking bleach technique uses 30% hydrogen peroxide and sodium perborate, and this paste mixture causes loosening of the coronal temporary restorative materials and thus decreasing its clinical effectiveness and causing irritation to the ...
G. P. V Srikumar, K Ravi Varma, K Harish Shetty, Pramod Kumar   +3 more
doaj   +1 more source