Related Experiment Video
Updated: Aug 2, 2025
10:26
Inducing Apical Periodontitis in Mice
Published on: August 6, 2019
12.2K
Does endodontics influence radiological detection of external root resorption? an in vitro study
C Parrales-Bravo1,2, S P Friedrichsdorf3, C Costa3
1School of Dentistry, University of Guayaquil, Guayaquil, Ecuador.
BMC Oral Health
|April 18, 2023
Summary
Cone-beam computed tomography (CBCT) and digital periapical radiography (DPR) can detect external root resorption (ERR). However, root canal filling material significantly reduces DPR
Area of Science:
- Dentistry
- Oral and Maxillofacial Radiology
- Endodontics
Background:
- External root resorption (ERR) is multifactorial and challenging to diagnose.
- Research interest remains high due to diagnostic difficulties.
Purpose of the Study:
- To compare the diagnostic accuracy of digital periapical radiography (DPR) and cone-beam computed tomography (CBCT) for detecting external root resorption (ERR).
- To assess differential detection of ERR in endodontically treated versus non-endodontically treated teeth.
Main Methods:
- Standardized synthetic teeth with simulated ERR lesions were used.
- Teeth were divided into endodontically treated and non-endodontically treated groups.
- Measurements were compared between actual tooth dimensions, DPR, and CBCT imaging.
Main Results:
- CBCT was more accurate than DPR in diagnosing ERR, especially in non-endodontically treated teeth.
- DPR showed reduced sensitivity (18.5%) in detecting ERR in endodontically treated teeth compared to non-treated teeth.
- Intracanal filling material negatively impacted DPR's diagnostic capability for ERR.
Conclusions:
- Both CBCT and DPR are viable for ERR diagnosis.
- Intracanal materials in root-filled teeth compromise the diagnostic accuracy of DPR for ERR.
- CBCT offers superior diagnostic performance for ERR in the presence of intracanal materials.
