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Guided Endodontics: Three-Dimensional Planning and Template-Aided Preparation of Endodontic Access Cavities

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Application of an Endodontic Static Guide in Fiber Post Removal from a Compromised Tooth.

Mehran Farajollahi¹, Omid Dianat², Samaneh Gholami³

¹Iranian Center for Endodontic Research, Research Institute of Dental Sciences, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Case Reports in Dentistry

|September 25, 2023

Summary

Removing fractured fiber posts during endodontic retreatment is challenging. This case report details using a 3D-printed static guide to save a tooth, highlighting potential errors in its construction and use.

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Area of Science:

Dentistry
Endodontics
Biomaterials

Background:

Removing intra-radicular posts, especially fiber posts, during endodontic retreatment presents significant clinical challenges.
Conventional freehand post removal techniques are operator-dependent, time-consuming, and carry risks of iatrogenic damage.

Observation:

A fractured fiber post within a root canal complicated endodontic retreatment, leading to a periapical lesion.
An endodontic static guide, 3D-printed for precision, was employed for the removal of the fractured fiber post.

Findings:

The use of the endodontic static guide successfully facilitated the removal of the fractured fiber post, enabling the saving of the compromised tooth.
Potential sources of error during both the construction phase and clinical application of the 3D-printed static guide were identified and described.

Implications:

3D-printed static guides offer a potentially more predictable and less invasive alternative for fiber post removal in endodontic retreatment.
Careful adherence to all procedural steps during guide fabrication and clinical use is crucial to prevent complications and ensure successful outcomes.