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Related Concept Videos

Ultrasonography01:17

Ultrasonography

Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called a...
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Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
Endoscopic Ultrasound (EUS):
Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...

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Related Experiment Video

Updated: Jun 20, 2026

Ultrasound Tissue Characterization of Human Achilles Tendon by Stability Quantification of Echo Patterns
08:11

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Published on: September 5, 2025

Quantification of Supracrestal Tissue Attachment Using High-Frequency Ultrasound.

Suhel Khan1, Pie Yun Tsai1, Brett Weatherington1

  • 1Aiiso Yufeng Li Family Department of Chemical and Nano Engineering, University of California, San Diego, 9500 Gilman drive, 92093, CA, USA.

Dento Maxillo Facial Radiology
|June 19, 2026
PubMed
Summary

High-frequency ultrasound (US) offers a new, noninvasive method to measure supracrestal tissue attachment (STA) dimensions. This technique reveals that STA varies by tooth type, challenging previous assumptions and improving periodontal assessment.

Keywords:
Supracrestal tissue attachment (STA)biological width (BW)periodontal probingstatistical validationtooth-type variationultrasound imaging

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Area of Science:

  • Periodontology
  • Biomedical Engineering
  • Diagnostic Imaging

Background:

  • The supracrestal tissue attachment (STA) is a critical parameter in periodontal health.
  • Conventional probing methods for STA measurement have limitations in accuracy and visualization.
  • Understanding tooth-type specific STA variations is essential for precise diagnosis and treatment planning.

Purpose of the Study:

  • To develop and validate a noninvasive ultrasound (US)-based framework for quantifying STA.
  • To evaluate tooth-type variations in STA dimensions using the developed US framework.
  • To compare the accuracy of conventional periodontal probing with US imaging against photographic ground truth.

Main Methods:

  • Utilized a high-frequency, side-facing US transducer for simultaneous imaging of soft tissue, alveolar bone, and periodontal probes.
  • Conducted ex vivo swine jaw imaging to compare US-derived measurements with photographic ground truth and manual probing.
  • Performed statistical analyses for bias and agreement, followed by human cadaver and in vivo validation.

Main Results:

  • US-derived probing depth measurements exhibited lower bias compared to manual probing.
  • US imaging enabled direct visualization of STA, showing improved accuracy over conventional probing.
  • Identified systematic differences in STA between molar and premolar teeth, confirmed in human subjects.

Conclusions:

  • Supracrestal tissue attachment (STA) is not uniform and varies significantly by tooth type.
  • High-frequency ultrasound provides a robust, noninvasive method for direct anatomical measurement of periodontal structures.
  • This validated US-based approach can enhance quantitative assessment in periodontal diagnostics and treatment planning.