Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Cutting pattern of nickel-titanium files using two preparation techniques

L M Elliott1, R V Curtis, T R Pitt Ford

  • 1Department of Conservative Dentistry, United Medical School, Guy's Hospital, London, UK.

Endodontics & Dental Traumatology
|June 27, 1998
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Addition of glycerol to lactating cow diets stimulates dry matter intake and milk protein yield to a greater extent than addition of corn grain.

Journal of dairy science·2017
Same author

Essential amino acid infusions stimulate mammary expression of eukaryotic initiation factor 2Bε but milk protein yield is not increased during an imbalance.

Journal of dairy science·2015
Same author

Laser light passage through restored and carious posterior teeth.

Journal of oral rehabilitation·2014
Same author

Decline in mammary translational capacity during intravenous glucose infusion into lactating dairy cows.

Journal of dairy science·2013
Same author

Effect of restorations on pulpal blood flow in molars measured by laser Doppler flowmetry.

International endodontic journal·2009
Same author

Ultrasonic debridement of root canals: acoustic cavitation and its relevance. 1988.

International endodontic journal·2009
Same journal

Bone-like tissue growth in the root canal of immature permanent teeth after traumatic injuries.

Endodontics & dental traumatology·2001
Same journal

The sealing ability of an epoxy resin root canal sealer used with five gutta-percha obturation techniques.

Endodontics & dental traumatology·2001
Same journal

Cytotoxic effect of four root filling materials.

Endodontics & dental traumatology·2001
Same journal

Bacterial leakage in obturated root canals following the use of different intracanal medicaments.

Endodontics & dental traumatology·2001
Same journal

Treatment of traumatic dental injuries in a cohort of 16-year-olds in northern Sweden.

Endodontics & dental traumatology·2001
Same journal

Comparison of profiles of key periodontal pathogens in periodontium and endodontium.

Endodontics & dental traumatology·2001
See all related articles

This study compared nickel-titanium and stainless steel endodontic files. Nitiflex files with balanced-force technique showed better canal shaping, while Flexofiles maintained curvature better with stepback technique.

Area of Science:

  • Endodontics
  • Dental Materials Science
  • Biomaterials Engineering

Background:

  • Nickel-titanium (NiTi) endodontic files offer increased flexibility and cutting efficiency compared to traditional stainless steel.
  • Understanding the specific cutting patterns and canal shaping capabilities of different file systems is crucial for effective root canal treatment.
  • Simulated root canal models allow for controlled comparison of instrumentation techniques and file behaviors.

Purpose of the Study:

  • To compare the cutting efficiency and canal shaping characteristics of recently introduced nickel-titanium endodontic files with similarly shaped stainless steel files.
  • To evaluate the performance of these files when used with both balanced-force and stepback instrumentation techniques.
  • To assess the impact of each file type and technique on material removal and canal transportation in curved simulated canals.

Related Experiment Videos

Main Methods:

  • Simulated root canals with 40-degree curvature were prepared in resin blocks.
  • Two file types, Nitiflex (NiTi) and Flexofiles (stainless steel), were used with balanced-force and stepback techniques.
  • Computerized imaging quantified material removal from inner and outer canal curvatures in the apical 11 mm.

Main Results:

  • Using the balanced-force technique, Nitiflex files removed less material on the outer curve apically and inner curve mid-canal compared to Flexofiles.
  • Flexofiles, when used with the balanced-force technique, resulted in greater apical transportation.
  • In the stepback technique, Nitiflex files removed more material apically from the outer curve, while Flexofiles removed more from the inner curve and better maintained canal curvature.

Conclusions:

  • Nitiflex nickel-titanium files appear preferable when used with a balanced-force technique for root canal preparation.
  • Flexofiles, a stainless steel option, demonstrated better maintenance of canal curvature when employed with a stepback technique.
  • The choice of file material and instrumentation technique significantly influences canal shaping outcomes and should be considered for optimal endodontic treatment.