Endodontic overextension produced by injected thermoplasticized gutta-percha

Area of Science:

• Endodontic therapy
• Dental materials science
• Oral surgery

Background:

• Root canal obturation aims for a hermetic apical seal to enhance endodontic treatment success.
• Injection-molded thermoplasticized gutta-percha is a newer technique for canal obturation.
• Proper apical seal creation is vital for preventing complications.

Observation:

• A novel technique utilizing injection-molded thermoplasticized gutta-percha was employed for root canal obturation.
• Accurate determination of canal working length and creation of an apical stop in sound dentin are critical steps.
• Failure in these steps can lead to the overextension of filling material.

Findings:

• Significant overextension of gutta-percha into the periradicular bone was observed using the new obturation technique.
• This overextension occurred despite the technique's potential for creating a good apical seal.
• The case highlights the risks associated with inaccurate working length determination and apical stop placement.

Implications:

• Overextension of root canal filling materials can have adverse ramifications for periradicular tissues.
• Proper case selection and meticulous technique execution are essential when using thermoplasticized gutta-percha.
• Management strategies for such overextensions need careful consideration in endodontic practice.