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Endodontic Management of C-Shaped Root Canal System of Mandibular First Molar by Using a Modified Technique of Self-Adjusting File System

D. Helvacioglu-Yigit

Journal of Contemporary Dental Practice. 2015 Jan 1;16(1):77-80.


AIM: C-shaped canal system is a seldom-found root canal anatomy which displays a challenge in all stages of endodontic treatment. According to the literature, this type of canal morphology is not a common finding in the mandibular first molar teeth.

BACKGROUND: This case report presents endodontic management of a mandibular first molar with a C-shaped canal system.

CASE REPORT: Root canal system was cleaned and shaped by nickel-titanium (NiTi) rotary instruments combined with self-adjusting file (SAF). Obturation was performed using warm, vertical condensation combined with the injection of warm gutta-percha. Follow-up examination 12 months later showed that the tooth was asymptomatic. The radiological findings presented no signs of periapical pathology.

CLINICAL SIGNIFICANCE: The clinician must be aware of the occurence and complexity of C-shaped canals in mandibular first molar teeth to perform a successful root canal treatment. The supplementary use of SAF after application of rotary instruments in C-shaped root canals might be a promising approach in endodontic treatment of this type of canal morphology.


View abstract on PubMed. PMID: 25876955
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