Related Experiment Video
Updated: Feb 13, 2026
05:03
Using Alizarin Red Staining to Detect Chemically Induced Bone Loss in Zebrafish Larvae
Published on: December 28, 2021
6.0K
Radiographic Methods for the Detection of Progressive Alveolar Bone Loss
Journal of Periodontology
|March 15, 2018
Summary
Digital subtraction radiography and automated probing show high concordance in detecting periodontal disease progression. This study highlights their effectiveness in assessing bone loss and attachment loss in periodontitis patients.
Area of Science:
- Dentistry
- Periodontology
- Radiology
Background:
- Intraoral radiographs are crucial for assessing bone support and osseous changes in periodontitis.
- Accurate detection of periodontal disease progression is essential for effective treatment.
Purpose of the Study:
- To review radiographic techniques for assessing periodontal disease progression, emphasizing digital subtraction radiography.
- To compare the efficacy of digital subtraction radiography and automated attachment level probing in detecting active periodontal sites.
- To outline future directions for quantitative analysis of digital radiographic images.
Main Methods:
- Review of radiographic techniques for periodontal disease assessment.
- A 6-month study comparing digital subtraction radiography and automated attachment level probing in 30 periodontitis patients and 8 controls.
- Analysis of concordance between probing attachment loss and bone loss detection.
Main Results:
- Digital subtraction radiography and automated attachment level probing demonstrated an 82.1% concordance in identifying active periodontal sites.
- Both methods are sensitive in assessing progressive periodontitis.
Conclusions:
- Digital subtraction radiography and automated probing are reliable methods for monitoring periodontal disease progression.
- Future research should focus on quantitative analysis of digital radiographic images for enhanced diagnostic capabilities.
Related Concept Videos
01:10Line Loss
547
The different configurations of source-load connections include wye (star) and delta connections. The relationship between line and phase voltages and currents varies depending on the configuration. When the source is supplying power, it is transmitted through the wires to the load, and during this transmission, some power is absorbed by the wires, leading to line loss.
Line loss impacts power delivery efficiency in a balanced three-phase circuit. The symmetry in such a circuit simplifies the...
Line loss impacts power delivery efficiency in a balanced three-phase circuit. The symmetry in such a circuit simplifies the...
547
01:26Alveoli and Alveolar Ducts
6.0K
The respiratory zone of the human body, which stands in contrast to the conducting zone, comprises the structures that actively participate in the exchange of gases. The initiation of this zone is marked by the terminal bronchioles converging into respiratory bronchioles, the tiniest bronchiole classification. The respiratory bronchioles give way to the alveolar ducts that opens into a congregation of alveoli. Actively involved in gas exchange, alveoli resemble tiny sacs similar to clusters of...
6.0K
01:18Reducing Line Loss
393
In a three-phase circuit, line loss is an indicator of energy dissipated as heat due to the resistance of transmission lines. To address this, incorporating transformers into the system—a step-up transformer at the source and a step-down transformer at the load—is a strategic solution. Two three-phase transformers are introduced to improve this.
With a step-up transformer at the source, the voltage is increased, thereby reducing the current in the transmission lines since power loss in...
With a step-up transformer at the source, the voltage is increased, thereby reducing the current in the transmission lines since power loss in...
393
02:07Tumor Progression
7.5K
Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
7.5K
01:18Effects of EDTA on End-Point Detection Methods
669
Different methods, such as visual observance of metal-ion indicators, spectroscopic techniques, and potentiometric methods, can determine the endpoint of an EDTA titration.
In the visual method, metal-ion indicators (metallochromic dyes), which have distinct colors in their free and complex forms, are added to the mixture to signal the titration's end point. They form stable complexes with metal ions, but these complexes are weaker than the corresponding metal–EDTA complexes. As a...
In the visual method, metal-ion indicators (metallochromic dyes), which have distinct colors in their free and complex forms, are added to the mixture to signal the titration's end point. They form stable complexes with metal ions, but these complexes are weaker than the corresponding metal–EDTA complexes. As a...
669
01:28Major Losses in Pipes
2.0K
When a fluid flows through a pipe, it experiences energy losses due to frictional resistance along the pipe walls, known as major losses. These energy losses result in a pressure drop, which varies based on the flow conditions — whether laminar or turbulent — and the specific physical properties of the fluid and pipe.
Fluid flow can be classified as laminar or turbulent, primarily based on the Reynolds number. This dimensionless number reflects the relative influence of inertial to viscous...
Fluid flow can be classified as laminar or turbulent, primarily based on the Reynolds number. This dimensionless number reflects the relative influence of inertial to viscous...
2.0K