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Guided Endodontics: Three-Dimensional Planning and Template-Aided Preparation of Endodontic Access Cavities
Published on: May 24, 2022
Radiographic assessment of simulated external root resorption cavities in maxillary incisors
F Goldberg1, A De Silvio, C Dreyer
1Department of Endodontics, School of Dentistry, Universidad del Salvador-Asociación Odontológica Argentina, Buenos Aires, Argentina.
Summary
Radiographic detection of simulated external root resorption cavities in human incisors is feasible. Smaller and buccal surface cavities are harder to detect, but comparison with preoperative radiographs significantly improves detection rates.
Area of Science:
- Dental Radiology
- Endodontics
- Oral Surgery
Background:
- External root resorption (ERR) is a pathological process affecting teeth.
- Radiographic evaluation is crucial for diagnosing and monitoring ERR.
- Simulating ERR cavities allows for controlled assessment of detection methods.
Purpose of the Study:
- To evaluate the radiographic detectability of simulated external root resorption cavities.
- To determine the influence of cavity size and location on detection accuracy.
- To assess the impact of comparing with preoperative radiographs on detection rates.
Main Methods:
- Human incisors from three skulls were used.
- Artificial cavities simulating ERR were drilled.
- Radiographs were taken and evaluated by three endodontists using a 2x magnifier.
- Two observation rounds were conducted: without and with comparison to preoperative radiographs.
Main Results:
- Small simulated cavities were more difficult to detect than medium and large ones.
- Proximal surface cavities were more readily detected than buccal surface cavities.
- Detection rates significantly increased when observers compared images with preoperative radiographs.
Conclusions:
- Radiographic detection of simulated ERR cavities is possible, with size and location influencing accuracy.
- Preoperative radiographs are essential for enhancing the detection of root resorption.
- Improved diagnostic accuracy in endodontics can be achieved through comparative radiographic analysis.

