Results 1 to 10 of about 32,331 (162)

Dental Restorative Materials for Elderly Populations. [PDF]

open access: yesPolymers (Basel), 2021
The incidence of dental caries, especially root caries, has risen in elderly populations in recent years. Specialized restorative materials are needed due to the specific site of root caries and the age-related changes in general and oral health in the elderly.
Huang Y   +5 more
europepmc   +5 more sources

A novel plant based intra canal medicament: ease of removal and effect on radicular dentine microhardness

open access: yesBulletin of the National Research Centre, 2021
Background This study aimed to evaluate the remaining amount of intra canal medicament in the root canals and their effect on microhardness of radicular dentine. In this study, ninety straight single-rooted teeth were used.
Yousra Aly   +4 more
doaj   +1 more source

Comparative evaluation of caries prevalence among group of Egyptian adolescents using DMFS and ICDASII methods: a cross-sectional study

open access: yesBMC Oral Health, 2023
Background Limited data is available regarding the prevalence of dental caries as a chronic disease among adolescents using different caries assessment indices. The aim of this study was to compare and describe the prevalence of dental caries among group
Mohamed. H. Zaazou   +7 more
doaj   +1 more source

Cleanliness efficacy and effect on dentin microhardness of a novel plant extract irrigant

open access: yesBulletin of the National Research Centre, 2020
Objective This study was done to evaluate the effect of the prepared Moringa oleifera-based root canal irrigant compared to conventionally used irrigants on the microhardness of root dentin and smear layer removal.
Maram E. Khallaf   +4 more
doaj   +1 more source

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

open access: yesBMC 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   +3 more
doaj   +1 more source

Bond strength and marginal adaptation of a novel root-end filling material

open access: yesBulletin of the National Research Centre, 2020
Background Apicoectomy with retrograde filling is considered as a tooth saver. Mineral trioxide aggregate (MTA) is mostly recommended as a root-end filling material as it is proved to have excellent sealing ability and hard tissue repair.
Yousra Aly   +2 more
doaj   +1 more source

Relation between laboratory cantilever bending test and finite element analysis of five different nickel-titanium rotary instruments

open access: yesBulletin of the National Research Centre, 2020
Background Flexibility during bending is a critical feature that influences the performance and safety of endodontic nickel-titanium rotary instruments. Flexibility of the endodontic files could be assessed via laboratory test or indicated theoretically ...
Amira Galal Ismail   +4 more
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

open access: yesBulletin 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   +2 more
doaj   +1 more source

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