Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

X-ray Imaging

X-ray Imaging

German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with X-rays, and by 1900, X-ray was widely...

Flow Table Test

Flow Table Test

The flow table test is an established method used to assess the workability of concrete, particularly useful for evaluating highly flowable concrete mixes. This test employs an apparatus that consists of a wooden board topped with a steel plate, collectively weighing 35 pounds. The board is connected to a base via a hinge and measures 27.6 inches on each side.
Concrete is placed within a truncated cone mold that is 8 inches high with an 8-inch base diameter and a 5-inch top diameter. The...

You might also read

Related Articles

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

Sort by

Same author

Screening for nonalcoholic fatty liver disease in patients with type 2 diabetes mellitus using transient elastography - a prospective, cross sectional study.

European journal of internal medicine·2020

Same author

Prospective evaluation of non-alcoholic fatty liver disease by elastographic methods of liver steatosis and fibrosis; controlled attenuation parameter and liver stiffness measurements.

Journal of diabetes and its complications·2019

Same author

Internalization of macromolecules by live cells.

Restorative neurology and neuroscience·2011

Same author

Antennapedia homeodomain third helix as a peptide and oligonucleotide vector.

Restorative neurology and neuroscience·2011

Same author

The influence of war on the oral health of professional soldiers.

International dental journal·2008

Same author

Clinical evaluation of three fissure sealants: 24 month follow-up.

European archives of paediatric dentistry : official journal of the European Academy of Paediatric Dentistry·2007

Search research articles

Related Experiment Video

Updated: May 17, 2026

Detection and Removal of Tooth-Colored Composite Resin Using the Fluorescence-Aided Identification Technique

Detection and Removal of Tooth-Colored Composite Resin Using the Fluorescence-Aided Identification Technique

Published on: July 27, 2022

Radiopacity of flowable composite by a digital technique.

W Dukić¹, B Delija, S Lešić

¹School of Dental Medicine, University of Zagreb, Pediatric Dentistry, Zagreb, Croatia. dukic@sfzg.hr

Operative Dentistry

|October 25, 2012

Summary

This summary is machine-generated.

This study evaluated 19 dental flowable composites using digital radiography. While most materials exceeded dentin radiopacity, some fell below enamel standards, highlighting the need for improved radiopacity in new dental composites.

More Related Videos

Confocal Time Lapse Imaging as an Efficient Method for the Cytocompatibility Evaluation of Dental Composites

Confocal Time Lapse Imaging as an Efficient Method for the Cytocompatibility Evaluation of Dental Composites

Published on: November 9, 2014

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

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

Published on: January 10, 2025

Related Experiment Videos

Last Updated: May 17, 2026

Detection and Removal of Tooth-Colored Composite Resin Using the Fluorescence-Aided Identification Technique

Detection and Removal of Tooth-Colored Composite Resin Using the Fluorescence-Aided Identification Technique

Published on: July 27, 2022

Confocal Time Lapse Imaging as an Efficient Method for the Cytocompatibility Evaluation of Dental Composites

Confocal Time Lapse Imaging as an Efficient Method for the Cytocompatibility Evaluation of Dental Composites

Published on: November 9, 2014

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

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

Published on: January 10, 2025

Area of Science:

Dental Materials Science
Radiology

Background:

Radiopacity is crucial for detecting secondary caries and assessing material integration in dental restorations.
Current flowable composite materials vary in their radiopacity, necessitating standardized evaluation.

Purpose of the Study:

To digitally assess and compare the radiopacity of 19 current dental flowable composite materials.
To determine if these materials meet established radiopacity standards, particularly in comparison to enamel.

Main Methods:

An in vitro study utilizing a digital radiography technique with a CCD sensor.
Radiopacity was measured using an aluminum step wedge and calibrated against tooth slices and composite specimens.
Data analysis was performed using Digora 2.6 software to calculate equivalent aluminum thickness.

Main Results:

All tested flowable composites demonstrated higher radiopacity than dentin.
37% of materials exhibited radiopacity lower than enamel.
Majesty Flow and Charisma Opal Flow showed the highest radiopacity, nearly double that of enamel.

Conclusions:

Digital radiopacity analysis offers a reliable and efficient method for characterizing dental materials.
Some current flowable composites do not meet the radiopacity standards equivalent to or exceeding enamel.
Material manufacturers should prioritize radiopacity exceeding enamel for improved clinical diagnostic capabilities.