Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Design Example: Distributing Reinforcements in Concrete Sections01:22

Design Example: Distributing Reinforcements in Concrete Sections

142
The topic explores the practical aspects of adjusting steel reinforcements within a concrete beam section to meet specific design requirements. When designing a reinforced concrete beam, it is essential to distribute the steel reinforcements properly to ensure structural integrity and efficiency. The example provided details a scenario where a beam requires a total steel cross-section of 4 square inches. The engineer identifies that the available steel bars have a nominal diameter of 1.693...
142
Reinforcements in Concrete01:25

Reinforcements in Concrete

186
Reinforced concrete is a composite material used extensively in construction, combining the compressive strength of concrete with the tensile strength of steel. This synergy is essential as concrete, while excellent at resisting compression, is weak under tension. Steel bars, or rebars, are embedded in the concrete to handle these tensile forces. The choice of steel is strategic; it shares a similar coefficient of thermal expansion with concrete, which ensures uniformity in response to...
186
Composite Masonry Walls01:18

Composite Masonry Walls

1.3K
Composite masonry walls combine multiple wythes of the same or different masonry materials to create a unified structure. These walls feature wythes that are bonded together either through mortar-filled collar joints, grouted spaces, or more commonly, with rigid metal ties and reinforcements, with the use of masonry header units being rare. Metal ties are preferred because they effectively minimize water penetration, as these walls primarily absorb moisture and then release it into the...
1.3K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Evidence of Spin-Interference Effects in Exclusive J/ψ→e^{+}e^{-} Photoproduction in Ultraperipheral Heavy-Ion Collisions.

Physical review letters·2026
Same author

First Observation of Deuteron-Λ Correlations at RHIC.

Physical review letters·2026
Same author

Hypertension and myocardial fibrosis: A systematic review and meta-analysis.

Clinical radiology·2026
Same author

Editorial Expression of Concern: Discovery of a BTK/MNK dual inhibitor for lymphoma and leukemia.

Leukemia·2026
Same author

Observation of Charmonium Sequential Suppression in Heavy-Ion Collisions at the Relativistic Heavy Ion Collider.

Physical review letters·2026
Same author

[Analysis of novel mutations in the SLC12A3 gene of a family with Gitelman syndrome].

Zhonghua nei ke za zhi·2026

Related Experiment Video

Updated: Oct 3, 2025

Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material
07:42

Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material

Published on: December 20, 2024

482

High-Performance Dental Composites Based on Hierarchical Reinforcements.

C Hu1,2, Y Q Lin3, Y J Yang1,2

  • 1Nanfang Hospital, Southern Medical University, Guangzhou, China.

Journal of Dental Research
|February 21, 2022
PubMed
Summary
This summary is machine-generated.

Hierarchical reinforcement of poly(p-phenylene-2,6-benzobisoxazole) (PBO) fibers with ZnO nanowires and POSS significantly enhanced dental composite performance. This PBO fiber composite shows promise for dental applications like endodontic posts.

Keywords:
composite materialsmechanical propertiesmicroscopynanomaterialsresin(s)surface chemistry/properties

More Related Videos

Roughness Impact of Piezoelectric Dental Scaler on Two Distinct Flowable Composite Filling Materials
05:30

Roughness Impact of Piezoelectric Dental Scaler on Two Distinct Flowable Composite Filling Materials

Published on: January 10, 2025

778
Shrinkage of Dental Composite in Simulated Cavity Measured with Digital Image Correlation
08:45

Shrinkage of Dental Composite in Simulated Cavity Measured with Digital Image Correlation

Published on: July 21, 2014

13.6K

Related Experiment Videos

Last Updated: Oct 3, 2025

Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material
07:42

Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material

Published on: December 20, 2024

482
Roughness Impact of Piezoelectric Dental Scaler on Two Distinct Flowable Composite Filling Materials
05:30

Roughness Impact of Piezoelectric Dental Scaler on Two Distinct Flowable Composite Filling Materials

Published on: January 10, 2025

778
Shrinkage of Dental Composite in Simulated Cavity Measured with Digital Image Correlation
08:45

Shrinkage of Dental Composite in Simulated Cavity Measured with Digital Image Correlation

Published on: July 21, 2014

13.6K

Area of Science:

  • Materials Science
  • Biomaterials Engineering
  • Nanotechnology

Background:

  • High-performance fibers like poly(p-phenylene-2,6-benzobisoxazole) (PBO) enhance dental composites but suffer from poor interfacial bonding.
  • The inert surface of PBO fibers limits the mechanical properties of dental fiber-reinforced composites (FRCs).

Purpose of the Study:

  • To develop novel hierarchical reinforcements for PBO fibers to improve the interface and flexural performance of dental FRCs.
  • To investigate the interfacial bonding mechanisms and mechanical properties of modified PBO FRCs.

Main Methods:

  • Constructed four types of hierarchical reinforcements: PBO-ZnO nanoparticles (NPs), PBO-ZnO nanowires (NWs), PBO-ZnO NPs-cage silsesquioxane (POSS), and PBO-ZnO NWs-POSS.
  • Evaluated macroscale and microscale mechanical properties, interfacial shear strength (IFSS), and physicochemical characteristics.
  • Assessed in vitro cytotoxicity using the CCK8 assay.

Main Results:

  • PBO-ZnO NWs-POSS exhibited the highest IFSS (29.31 ± 2.40 MPa).
  • The corresponding FRC achieved the highest flexural strength (925.0 ± 39.2 MPa) and a flexural modulus (39.39 ± 1.41 GPa) comparable to human dentin.
  • Interfacial bonding involved mechanical interlocking, chemical bonds, hydrogen bonds, and van der Waals forces.

Conclusions:

  • The PBO-ZnO NWs-POSS hierarchical reinforcement successfully enhanced IFSS and flexural properties in dental FRCs.
  • This optimized PBO FRC demonstrates potential as a new option for endodontic posts.
  • The study offers an interface design strategy for high-performance FRCs using advanced fibers in dentistry.