Evaluation of Microcracks formed During Root Canal Preparation by Different File Systems Using Micro-computed Tomography: An In Vitro Study

Deopujari, Juhi; Singh, Henna; Pathak, Ipsita; Shyamal, Ritwik; Antony, Shincy Mary

doi:10.5005/jp-journals-10024-3238

Cited by 2 publications

(2 citation statements)

References 22 publications

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“…In addition to such studies, Table 1 below lists studies conducted during the past 2.5 years that focused explicitly on evaluating varying rotary file system effectiveness in removing GP during endodontic retreatment procedures. The NiTi rotary file system design variations lead to differing efficacy levels for performing the required tasks, with differing repercussions upon the intervened molar in terms of microcrack development during root canal preparatory procedures (Singh et al, 2022). Furthermore, the study carried out by Kosti and colleagues in 2006 focused on evaluating the effectiveness of the ProFile NiTi rotary file system in removing GP and several sealer materials from 48 single-rooted human teeth that underwent straight root canal procedures (Kosti et al, 2006).…”

Section: B) Nickel-titanium (Niti) Rotary File Systemmentioning

confidence: 99%

Rotary Systems for Root Canal Gutta-percha Removal: A Review

Isa¹,

Ramlan²,

Ayoub³

2023

Compend. Oral Sci.

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Gaining a predictable outcome in endodontics is complicated by handling an endodontically treated. Compared to primary root canal therapy, non-surgical endodontic retreatment typically entails the removal of previous root filling materials. This process may be necessary to enable access to contaminated canal space for recleaning and to remove obturation materials that may have been contaminated by marginal penetration of microorganisms and microbial toxins. The achievement of patency at the canal terminus and the extension of cleaning as close as possible to the apical terminus have been identified as healing prognostic criteria. Gutta-percha (GP) is the current mainstay material utilised as an endodontic filling material, capable of performing comprehensive, three-dimensional sealing of the treated root canal system in a highly effective manner with considerable physical durability. Interestingly, since its initial discovery in the 17th century, GP remains to this day the ideal obturation material used across, in essence, all dental clinics globally due to its material properties and versatility for use in conjunction with sealer compounds. The development of GP removal systems that can manage to remove GP in its entirety from root canals during non-surgical retreatment procedures is currently highly desirable for dental practices. This literature review investigated this current research niche and scrutinised two prevalently utilised rotary systems – Edgefile-XR and the XP-Endo shaper systems.

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Section: B) Nickel-titanium (Niti) Rotary File Systemmentioning

confidence: 99%

Rotary Systems for Root Canal Gutta-percha Removal: A Review

Isa¹,

Ramlan²,

Ayoub³

2023

Compend. Oral Sci.

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“…They excessively improved the root canal preparation due to their metallurgical properties. Therefore, nickeltitanium rotary instruments have become the main instrument for root canal preparation.Since the increased taper of these files had reached 9 %, results in aggressive removal of the radicular dentin, there were different opinions regarding the effect of increased tapered nickel-titanium rotary instruments on root fracture resistance 6,7.…”

mentioning

confidence: 99%

Impact of Access Cavity Design and Root Canal Taper on Fracture Strength of Endodontically Treated Mandibular Premolars (An In-Vitro Study)

Awny

2023

Journal of Fundamental and Clinical Research

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Background: Endodontic-treated teeth present a higher fracture rate. The fracture strength of endodontically treated teeth is affected by access cavity design and cervical root canal dentin thickness. Aim: To compare the effect of access cavity design and two different root canal tapers in extracted mandibular premolars on fracture strength of endodontic treated teeth and remaining cervical dentin thickness. Materials and Methods: A total of (20) lower premolars were selected and divided into four groups. In group (A), five teeth were accessed traditionally and prepared by CMA rotary system. In group (B) five teeth were accessed traditionally and prepared by the M3 Pro Gold rotary system. In group (C) five teeth were accessed conservatively and prepared by CMA rotary system and in group (D), five teeth were accessed conservatively and prepared by m3 pro gold rotary system. Remaining dentin thickness through CBCT scanning and fracture strength was measured through the universal testing machine. Results: No significant difference between the removed dentin thickness of treated teeth either with M3 pro gold or CMA at coronal and middle levels; however, at the apical level, CMA showed statistically significantly lower median remaining dentin thickness than M3 Pro Gold. No significant difference between fracture resistances of treated teeth either with traditional or conservative access.Conclusion: Conservative design failed to intensify the fracture resistance of mandibular premolars.Conservative cervical taper within 4% and 6% presented similar effect on cervical dentin thickness in mandibular premolars.

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Evaluation of Microcracks formed During Root Canal Preparation by Different File Systems Using Micro-computed Tomography: An In Vitro Study

Cited by 2 publications

References 22 publications

Rotary Systems for Root Canal Gutta-percha Removal: A Review

Rotary Systems for Root Canal Gutta-percha Removal: A Review

Impact of Access Cavity Design and Root Canal Taper on Fracture Strength of Endodontically Treated Mandibular Premolars (An In-Vitro Study)

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