<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The ledge formation is an iatrogenic accident that occurs in a curved canal due to the incorect application of the preparation techniques. The aim of this study was to find out which of the three well-known obturation techniques can surpass better an artificial created ledge. Matherials and methods: artificial ledge were created using Gates-Glidden drills no.1 and 2 at 15 mm and no.3 at 13 mm of the working lenght of fortyfour resin blocks. Thirty blocks that didn’t allowed a #10 file to surpass the ledge were accepted for study, divided into three equal groups and filled by lateral condensation, thermal compaction and continuous wave System B technique. Results: System B resulted in the highest obturated area beyond the starting point of the ledge (p&lt;0,05), while lateral condensation showed the worst results. There were no differences between thermal compaction and lateral condensation in surpassing the deviation. Conclusion: within the limitation of this study, System B seems to be the the most appropriate techique when trying to surpass a ledge.</p></abstract>

The ledge formation is an iatrogenic accident that occurs in a curved canal due to the incorect application of the preparation techniques. The aim of this study was to find out which of the three well-known obturation techniques can surpass better an artificial created ledge. Matherials and methods: artificial ledge were created using Gates-Glidden drills no.1 and 2 at 15 mm and no.3 at 13 mm of the working lenght of fortyfour resin blocks. Thirty blocks that didn’t allowed a #10 file to surpass the ledge were accepted for study, divided into three equal groups and filled by lateral condensation, thermal compaction and continuous wave System B technique. Results: System B resulted in the highest obturated area beyond the starting point of the ledge (p<0,05), while lateral condensation showed the worst results. There were no differences between thermal compaction and lateral condensation in surpassing the deviation. Conclusion: within the limitation of this study, System B seems to be the the most appropriate techique when trying to surpass a ledge.

Assessment of three Techniques in Surpassing Ledges in Curved Canals

Department of Endodontics, Faculty of Dental Medicine

Department of Restorative Odontotherapy, Faculty of Dental Medicine

Department of Obstetrics and Gynecology, Faculty of Medicine

Department of Dental Technique, Faculty of Dental Medicine

Department of Oral Health Education, Faculty of Dental Medicine

ARS Medica Tomitana

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Assessment of three Techniques in Surpassing Ledges in Curved Canals"}

The ledge formation is an iatrogenic accident that occurs in a curved canal due to the incorect application of the preparation techniques. The aim of this...

Assessment of three Techniques in Surpassing Ledges in Curved Canals

Online veröffentlicht: 15. Apr. 2019

Seitenbereich: 159 - 163

DOI: https://doi.org/10.2478/arsm-2018-0033

Schlüsselwörter
ledge formation, root canal filling, root canal therapy

© 2018 Scarlatescu Sanziana Adina et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Assessment of three Techniques in Surpassing Ledges in Curved Canals

Online veröffentlicht: 15. Apr. 2019

Seitenbereich: 159 - 163

DOI: https://doi.org/10.2478/arsm-2018-0033

Schlüsselwörterledge formation, root canal filling, root canal therapy

© 2018 Scarlatescu Sanziana Adina et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Schlüsselwörter
ledge formation, root canal filling, root canal therapy