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

Computed Tomography

Computed Tomography

Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...

You might also read

Related Articles

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

Sort by

Same author

Reply to the Letter to the Editor: Deep learning TMJ MRI-reader-level equivalence is a foundation, not a finish line.

European radiology·2026

Same author

Deep learning for synthetic contrast-enhanced CT and MRI: a scoping review.

European radiology·2026

Same author

Morphological analysis of anatomical structure of nasopharynx in cone-beam computed tomography in Korean population.

Imaging science in dentistry·2026

Same author

Unexpected delayed orofacial symptoms induced by facial cosmetic filler: A report of 3 cases.

Imaging science in dentistry·2026

Same author

Development of 10 principles of radiation protection in oral and maxillofacial radiology.

Imaging science in dentistry·2025

Same author

Deep learning reconstruction for temporomandibular joint MRI: diagnostic interchangeability, image quality, and scan time reduction.

European radiology·2025

Same journal

High-density areas within low-density areas in radiographs of dentigerous cysts.

Imaging science in dentistry·2026

Same journal

Development and assessment of an <i>ex vivo</i> imaging protocol for dental-dedicated MRI systems: A pilot study.

Imaging science in dentistry·2026

Same journal

YOLOv8m-segmentation for detecting cervical burnout and caries in bitewing radiographs: A deep learning approach.

Imaging science in dentistry·2026

Same journal

Impact of advanced noise reduction algorithms on the diagnostic accuracy of vertical root fractures in cone-beam computed tomography: An evaluation of the influence of intracanal post types.

Imaging science in dentistry·2026

Same journal

Reliability of a novel stent-based tomographic method to measure dimensional changes after alveolar ridge preservation in extraction sockets with buccal bone dehiscence.

Imaging science in dentistry·2026

Same journal

Side- and patient-based performance of a deep learning system based on the results of individual detection of carotid artery calcifications on panoramic radiographs.

Imaging science in dentistry·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Jun 11, 2025

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging

Published on: September 11, 2011

Image quality-based dose optimization in pediatric cone-beam computed tomography: A pilot methodological study.

Hak-Sun Kim^1,2, Yoon Joo Choi¹, Kug Jin Jeon¹

¹Department of Oral and Maxillofacial Radiology, Yonsei University College of Dentistry, Seoul, Korea.

Imaging Science in Dentistry

|October 7, 2024

Summary

This summary is machine-generated.

Reducing radiation dose in pediatric conebeam computed tomography (CBCT) is possible by optimizing copper attenuation. A 1.6 mm copper thickness provides a balance between image quality and dose reduction for diagnostic scans.

Keywords:

Cone-Beam Computed Tomography Dose Reduction Radiation Dosage Radiation Protection

More Related Videos

Positron Emission Tomography-based Dose Painting Radiation Therapy in a Glioblastoma Rat Model using the Small Animal Radiation Research Platform

Positron Emission Tomography-based Dose Painting Radiation Therapy in a Glioblastoma Rat Model using the Small Animal Radiation Research Platform

Published on: March 24, 2022

Whole-body PET/MRI of Pediatric Patients: The Details That Matter

Whole-body PET/MRI of Pediatric Patients: The Details That Matter

Published on: December 19, 2017

Related Experiment Videos

Last Updated: Jun 11, 2025

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging

Published on: September 11, 2011

Positron Emission Tomography-based Dose Painting Radiation Therapy in a Glioblastoma Rat Model using the Small Animal Radiation Research Platform

Positron Emission Tomography-based Dose Painting Radiation Therapy in a Glioblastoma Rat Model using the Small Animal Radiation Research Platform

Published on: March 24, 2022

Whole-body PET/MRI of Pediatric Patients: The Details That Matter

Whole-body PET/MRI of Pediatric Patients: The Details That Matter

Published on: December 19, 2017

Area of Science:

Radiology
Medical Imaging
Radiation Physics

Background:

Pediatric conebeam computed tomography (CBCT) requires careful dose management.
Balancing image quality with radiation dose is crucial for pediatric patients.
Optimizing imaging parameters can reduce radiation exposure without compromising diagnostic information.

Purpose of the Study:

To propose a methodological approach for reducing radiation dose in pediatric CBCT.
To evaluate the impact of copper attenuation on image quality and radiation dose.
To determine optimal parameters for dose optimization in pediatric CBCT.

Main Methods:

Reduced dose-area product (DAP) using copper-plate attenuation, varying copper thickness from 0 to 2.2 mm.
Scanned QUART DVT_AP phantom and pediatric dentiform at different DAP levels.
Analyzed contrast-to-noise ratio (CNR), image homogeneity, modulation transfer function (MTF), and conducted expert image evaluations.

Main Results:

CNR and image homogeneity decreased with reduced DAP, with an inflection point for homogeneity at 1.6 mm copper.
MTF remained constant across decreasing DAP levels.
Expert evaluation indicated "no diagnostic value" for images with >1.9 mm copper, while 0-1.6 mm copper yielded interpretable grades.

Conclusions:

Reducing DAP beyond 1.6 mm copper thickness significantly degrades pediatric CBCT image quality.
Image homogeneity and clinical image grades serve as critical decision points for DAP reduction.
The study provides a method for optimizing radiation dose in pediatric CBCT while maintaining diagnostic image quality.