image/svg+xml2021Timothée Giet
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Root canal retreatment with fractured instrument removal and crown restoration

Root canal retreatment with fractured instrument removal and crown restoration
Complaints:
Periodic pain in tooth 3.6.
Diagnosis:
Apical periodontitis of tooth 3.6.
Treatment:
For treatment planning, comprehensive diagnostics were performed, including a CBCT scan and periapical radiography. Treatment was carried out under STA computer-assisted anesthesia with rubber dam isolation. After removing the old restoration, residual filling material, and carious tissues, root canal retreatment was performed under a Leica M320 dental microscope, and a fractured endodontic instrument fragment was removed. Mechanical and chemical canal preparation was then completed using NiC and SOCO instruments with ultrasonic-activated irrigation. Following hermetic obturation with warm gutta-percha using the 3D technique, the tooth was restored with Estelite Asteria composite material and prepared for prosthetic restoration. The final stage included digital scanning, fabrication, and placement of a full-anatomical zirconia crown using CAD/CAM technology.

In this clinical case, the patient presented with periodic pain in tooth 3.6.

During the examination and CBCT scan of the jaws, apical periodontitis of tooth 3.6 was diagnosed.

Treatment was performed under STA computer-assisted anesthesia with rubber dam isolation. Using a Leica M320 operating microscope, the root canals were retreated, a fractured endodontic instrument fragment was removed, and mechanical and chemical preparation of the canals was performed with ultrasonic-activated irrigation.

After hermetic root canal filling using the warm gutta-percha 3D obturation technique, the tooth was restored with Estelite Asteria composite material and prepared for the prosthetic stage.

The final stage included digital scanning, fabrication, and placement of a full-anatomical zirconia crown using CAD/CAM technology.

Result:
Pain was eliminated, and the tooth was fully restored and reliably protected.

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Who provided the treatment:

The endodontic stage was performed by dentist-therapist, endodontist
Shapovalova Irina

Shapovalova Irina

The orthopedic stage was performed by prosthodontist
Troskin Alexander

Troskin Alexander

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