Comparative Study of 6 Rotary Nickel-Titanium Systems and Hand Instrumentation for Root Canal Preparation in Severely Curved Root Canals of Extracted Teeth

2013 ◽  
Vol 39 (2) ◽  
pp. 278-282 ◽  
Author(s):  
Davut Çelik ◽  
Tamer Taşdemir ◽  
Kürşat Er
Keyword(s):  
Comparative Study ◽  
Root Canal ◽  
Nickel Titanium ◽  
Root Canal Preparation ◽  
Root Canals ◽  
Hand Instrumentation ◽  
Curved Root Canals

Comparative Study of Different Novel Nickel-Titanium Rotary Systems for Root Canal Preparation in Severely Curved Root Canals

2014 ◽  
Vol 40 (6) ◽  
pp. 852-856 ◽  
Author(s):  
Ismail Davut Capar ◽  
Huseyin Ertas ◽  
Evren Ok ◽  
Hakan Arslan ◽  
Elif Tarim Ertas
Keyword(s):  
Comparative Study ◽  
Root Canal ◽  
Nickel Titanium ◽  
Root Canal Preparation ◽  
Root Canals ◽  
Curved Root Canals

scholarly journals Comparative study of ProTaper gold, reciproc, and ProTaper universal for root canal preparation in severely curved root canals

2017 ◽  
Vol 20 (4) ◽  
pp. 222
Author(s):  
EzgiDoganay Yildiz ◽  
Hakan Arslan ◽  
HicranAtes Gunduz ◽  
Meltem Sumbullu ◽  
IbrahimSevki Bayrakdar ◽  
...  
Keyword(s):  
Comparative Study ◽  
Root Canal ◽  
Root Canal Preparation ◽  
Root Canals ◽  
Curved Root Canals

scholarly journals Root Canal Stripping: Malpractice or Common Procedural Accident—An Ethical Dilemma in Endodontics

2016 ◽  
Vol 2016 ◽  
pp. 1-5
Author(s):  
Ionela Elisabeta Ciobanu ◽  
Darian Rusu ◽  
Stefan-Ioan Stratul ◽  
Andreea Cristina Didilescu ◽  
Corina Marilena Cristache
Keyword(s):  
Risk Factors ◽  
Ethical Dilemma ◽  
Root Canal ◽  
Tooth Extraction ◽  
Nickel Titanium ◽  
Middle Section ◽  
Root Canals ◽  
Legal Consequences ◽  
Curved Root Canals

Root canal stripping is defined as an oblong, vertical perforation that appears especially in the middle section of curved root canals during endodontic treatments with nickel-titanium (Ni-Ti) instruments. Its occurrence may drastically affect the outcome of the treatment, transforming a common otherwise efficient endodontic procedure into a complication such as tooth extraction. In order to discuss the ethical and legal consequences, two cases of dental strip perforations are herewith presented. Due to the existence of risk factors for dental strip perforation, experience of the clinician and the use of magnification and modern imagistic methods (CBCT) may avoid or reduce the frequency of this type of accidents. Under correct working circumstances, dental stripping should not be regarded as a malpractice but as a procedural accident. However, the patient must always be informed, before and during the endodontic procedure, about the event and the possible complications that may occur.

scholarly journals An Update on Root Canal Preparation Techniques and How to Avoid Procedural Errors in Endodontics

2021 ◽  
Vol 15 (1) ◽  
pp. 318-324
Author(s):  
Mohamed El-Kishawi ◽  
Khaled Khalaf
Keyword(s):  
Root Canal ◽  
Current Evidence ◽  
Hybrid Technique ◽  
Root Canal Preparation ◽  
Root Canals ◽  
Mesh Terms ◽  
Comprehensive Search ◽  
Hand Instrumentation ◽  
Preparation Techniques

Background: Effective root canal treatment involves cleaning and shaping root canals using a range of instrumentation procedures and techniques. The aim of this review was to provide an update on root canal hand instrumentation techniques and how to overcome iatrogenic errors. Methods: A comprehensive search was carried out using multiple databases, PubMed, Medline, Google scholar, and Scopus, to identify relevant studies addressing the objective of this study and to summarize the current evidence to readers. Keywords, i.e., endodontics, root canal preparation, hand instrumentation, techniques and procedural errors, as well as, MeSH terms, i.e. “endodontics”, “instrumentation”, “root canal preparation” were used to conduct our comprehensive search. Results: The hybrid technique is a commonly-used approach that combines the benefits of both the crown-down and step-back techniques and was reported to be one of the best techniques to produce an optimal root canal preparation outcome. Hand-instrument manipulation using the balanced forced technique is also favoured as it rapidly and safely permits removal of canal contents allowing irrigants and medications to reach deep inside canal spaces. Conclusion: The use of hand files is still recommended for initial canal negotiation and preparation and is essential for the correction of procedural errors. This study provided an update on several hand instrumentation techniques commonly used in endodontics. The correct and safe application of these techniques can prevent iatrogenic procedural errors from occurring which optimizes the quality of treatment outcome.

scholarly journals A microcomputed tomography evaluation of the shaping ability of three thermally-treated nickel-titanium rotary file systems in curved canals

2018 ◽  
Vol 47 (1) ◽  
pp. 325-334 ◽  
Author(s):  
Zhuwei Huang ◽  
Jingjing Quan ◽  
Jia Liu ◽  
Wen Zhang ◽  
Xiaolei Zhang ◽  
...  
Keyword(s):  
Root Canal ◽  
File Systems ◽  
Microcomputed Tomography ◽  
Nickel Titanium ◽  
Root Canal Preparation ◽  
Root Canals ◽  
Before And After ◽  
Shaping Ability ◽  
Thermally Treated

Objective To evaluate the shaping ability of three thermally-treated rotary nickel-titanium (NiTi) systems including ProTaper Next (PTN), HyFlex™ CM (HFCM) and HyFlex™ EDM (HFEDM) during root canal preparation in simulated root canals. Methods A total of 45 simulated root canals were divided into three groups ( n = 15) and prepared with PTN, HFCM or HFEDM files up to size 25. Microcomputed tomography (microCT) was used to scan the specimens before and after instrumentation. Volume and diameter changes, transportations and centring ratios at 11 levels of the simulated root canals were measured and compared. Results HFEDM caused significantly greater volume increases than HFCM and PTN in the entire root canal and in the apical and middle thirds. HFCM removed the least amount of resin in the coronal third compared with HFEDM and PTN. Overall, HFCM caused significantly less transportation in the apical 2 mm and was better centred than PTN in the apical 3 mm. Conclusion Under the conditions of this study, all systems prepared curved canals without significant shaping errors and instrument fracture. PTN and HFCM cut less resin than HFEDM. HFCM stayed centred apically and cut the least material coronally.

Efficiency of Different Nickel-Titanium Endodontic File Systems in Cleaning and Apical Transportation of Simulated Curved Root Canals

2017 ◽  
Vol 68 (5) ◽  
pp. 957-961
Author(s):  
Andrea Csinszka Kovacs Ivacson ◽  
Mariana Pacurar ◽  
Monica Monea ◽  
Monika Kovacs ◽  
Mihai Pop ◽  
...  
Keyword(s):  
Root Canal ◽  
File Systems ◽  
Nickel Titanium ◽  
Endodontic Treatment ◽  
Root Canal Treatment ◽  
Cleaning Efficiency ◽  
Root Canals ◽  
Apical Transportation ◽  
Curved Root Canals ◽  
Reference Areas

The use of nickel-titanium instruments have become an important part of the root canal treatment, in order to facilitate the cleaning and shaping of root canals, because the incorrect utilization of the endodontic files during endodontic treatment may produce unwanted procedural errors. The aim of this study was to evaluate on simulated curved root canal models the cleaning efficiency and the apical transportation in three reference areas of the root canal files, ProTaper (Dentsply Maillefer), K3XF (Sybron Endo) and HyFlex (Coltene Endo) systems, compared to the hand K-files (DentsplyMaillefer). According to our results, rotary file systems are more efficient than the hand files, in cleaning the root canal.

scholarly journals Multidimensional Analysis of Curved Root Canal Preparation Using Continuous or Reciprocating Nickel-titanium Instruments

2018 ◽  
Vol 12 (1) ◽  
pp. 32-45 ◽  
Author(s):  
Iussif Mamede-Neto ◽  
Álvaro Henrique Borges ◽  
Ana Helena Gonçalves Alencar ◽  
Marco Antonio Hungaro Duarte ◽  
Manoel Damião Sousa Neto ◽  
...  
Keyword(s):  
Root Canal ◽  
Nickel Titanium ◽  
Reference Points ◽  
Multidimensional Analysis ◽  
Cone Beam ◽  
Root Canal Preparation ◽  
Root Canals ◽  
Computed Tomography Scans ◽  
Before And After ◽  
Canal Transportation

Objective: To evaluate transportation (T) and centering ability (CA) of root canal preparations using continuous or reciprocating nickel-titanium endodontic files. Materials and Methods: Ninety-six mesiobuccal root canals of mandibular first and second molars were randomly divided into 6 groups (n=16) according to the rotary file used: 1. ProTaper Next; 2. ProTaper Gold; 3. Mtwo; 4. BioRaCe; 5. WaveOne Gold; 6. Reciproc. Root canals were prepared according to manufacturer’s instructions. Cone beam computed tomography scans were obtained before and after root canal preparation. Measurements were made at six different reference points: 2, 3 and 4 mm from the apex and 2, 3 and 4 mm below furcation in different directions. Results: The greatest Mesiodistal (MD) Transportation (T) was found for Reciproc files (p<0.05), and the greatest buccolingual (BL) T, for Reciproc, ProTaper Gold and ProTaper Next files (p<0.05). The greatest Mesiodistal (MD) Centering Ability (CA) was found for BioRaCe files (p<0.05), and the greatest Buccolingual (BL) CA, for BioRaCe and Mtwo files (p<0.05). Conclusion: All systems produced root canal transportation. No file system achieved perfect CA of root preparation. Reciproc files had the greatest MD T and BL T. BioRaCe files had the greatest MD CA, whereas BL CA was similar for BioRaCe and Mtwo files.

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