Related Experiment Video
Updated: Feb 16, 2026
13:51
Cross-Modal Multivariate Pattern Analysis
Published on: November 9, 2011
20.5K
In Vitro Detection of Caries Around Amalgam Restorations Using Four Different Modalities
Tamara E Abrams1, Stephen H Abrams1,2, Koneswaran S Sivagurunathan1
1Quantum Dental Technologies Inc, Toronto, Ontario, Canada.
The Open Dentistry Journal
|January 2, 2018
Summary
The Canary System (CS) shows potential for accurately detecting secondary caries around amalgam restorations, outperforming laser fluorescence (DIAGNOdent, DD), LED fluorescence (Spectra), and visual inspection (ICDAS II) in vitro.
Area of Science:
- Dental materials science
- Diagnostic imaging in dentistry
- Caries detection methods
Background:
- Secondary caries is a common cause of restoration failure.
- Accurate detection of secondary caries is crucial for timely intervention.
- Existing diagnostic methods have limitations in detecting caries around restorations.
Purpose of the Study:
- To compare the efficacy of The Canary System (CS), DIAGNOdent (DD), Spectra, and ICDAS II in detecting natural caries around bonded amalgam restorations.
- To evaluate the sensitivity and specificity of these diagnostic modalities.
Main Methods:
- Extracted human teeth with and without amalgam restorations were used.
- Caries detection was performed using CS, DD, Spectra, and ICDAS II at varying distances from the restoration margin.
- Data analysis focused on sensitivity and specificity for each method.
Main Results:
- CS demonstrated high sensitivity and specificity in detecting caries around amalgam restorations.
- DIAGNOdent (DD) showed moderate sensitivity and specificity, with greater variability.
- Spectra and ICDAS II yielded inconclusive or poor results, respectively, in this context.
Conclusions:
- The Canary System (CS) shows significant potential for accurate secondary caries detection around amalgam restorations.
- CS appears more reliable and accurate than DD, Spectra, and ICDAS II for this specific application.
- Further in vivo studies are warranted to confirm these findings.
Related Concept Videos
01:19Restorative Care
2.4K
Restorative care is provided once a patient has been discharged from a healthcare facility and requires additional services. The additional services include home care, rehabilitation programs, and extended care. Restorative care centers help the patient regain their previous level of functioning or acquire a new level of functioning due to the incapacitating effects of a disease or a disability. It aims to assist patients in enhancing their quality of life by encouraging independence,...
2.4K
01:15Sensory Modalities
4.0K
Sensation typically is the process by which the sensory receptors and sense organs detect stimuli from the internal and external environment and transmit this information to the central nervous system for processing.
General senses refer to the broad category of sensory information detected by receptors in the body and can be further grouped into somatic and visceral senses. Somatic sensations include touch, pressure, temperature, and pain and are essential for navigating our environment and...
General senses refer to the broad category of sensory information detected by receptors in the body and can be further grouped into somatic and visceral senses. Somatic sensations include touch, pressure, temperature, and pain and are essential for navigating our environment and...
4.0K
01:16In-vitro Mutagenesis
16.7K
To learn more about the function of a gene, researchers can observe what happens when the gene is inactivated or “knocked out,” by creating genetically engineered knockout animals. Knockout mice have been particularly useful as models for human diseases such as cancer, Parkinson’s disease, and diabetes.
16.7K
01:24In Vitro Fertilization
1.0K
In vitro fertilization (IVF) is a form of assisted reproductive technology where an egg is fertilized with sperm in a controlled laboratory environment before transferring the resulting embryo into the uterus. This process is designed to help individuals and couples experiencing difficulties conceiving.
The IVF process begins with ovarian stimulation, during which reproductive endocrinologists prescribe hormonal medications to stimulate the ovaries to produce multiple eggs instead of the single...
The IVF process begins with ovarian stimulation, during which reproductive endocrinologists prescribe hormonal medications to stimulate the ovaries to produce multiple eggs instead of the single...
1.0K
01:00Detection of Gross Error: The Q Test
7.1K
When one or more data points appear far from the rest of the data, there is a need to determine whether they are outliers and whether they should be eliminated from the data set to ensure an accurate representation of the measured value. In many cases, outliers arise from gross errors (or human errors) and do not accurately reflect the underlying phenomenon. In some cases, however, these apparent outliers reflect true phenomenological differences. In these cases, we can use statistical methods...
7.1K
01:10Detection of Black Holes
2.6K
Although black holes were theoretically postulated in the 1920s, they remained outside the domain of observational astronomy until the 1970s.
Their closest cousins are neutron stars, which are composed almost entirely of neutrons packed against each other, making them extremely dense. A neutron star has the same mass as the Sun but its diameter is only a few kilometers. Therefore, the escape velocity from their surface is close to the speed of light.
Not until the 1960s, when the first neutron...
Their closest cousins are neutron stars, which are composed almost entirely of neutrons packed against each other, making them extremely dense. A neutron star has the same mass as the Sun but its diameter is only a few kilometers. Therefore, the escape velocity from their surface is close to the speed of light.
Not until the 1960s, when the first neutron...
2.6K