Endodontic treatment of severely curved root canals – A case series

Veronica Regina Rosselle, Cendranata Wibawa Ongkowijoyo, Setyabudi

Research output: Contribution to journalArticlepeer-review


Background: It is not uncommon for a dentist to encounter endodontic cases of severely curved root canals. Performing endodontic treatment on severely curved root canals can be a daunting task due to the notable risk of creating an iatrogenic error including a ledge, perforation, or even instrument separation. Therefore, radiograph image analysis, proper endodontic treatment planning, and selection of appropriate instruments and techniques are essential to ensure success in the endodontic treatment of severely curved root canals. Purpose: This case series aims to elaborate on the instruments and techniques necessary to safely negotiate, clean, shape, and seal root canals with severe curvature. Cases: Three patients came to Universitas Airlangga Dental Hospital due to severe toothaches. After anamnesis and examination, diagnosis was established, and endodontic treatments were deemed necessary. Severe curvatures were visible in the root canals during radiographic image analysis. Case Management: Access openings were performed to allow straight-line access, orifices were preflared, root canals were negotiated, and glide paths were established. Then, shaping, cleaning, and sealing could be performed conveniently into the root canal terminus. Subsequently, coronal restorations were fabricated to restore function and esthetics. Conclusion: With proper knowledge, case analysis, and appropriate instruments and techniques, severely curved root canals can be safely and accurately negotiated, cleaned, shaped, and sealed.

Original languageEnglish
Pages (from-to)145-151
Number of pages7
JournalDental Journal
Issue number2
Publication statusPublished - 2024


  • glide path
  • negotiation
  • root canal curvature


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