What is the difference between C files and K files?
C-files are stiffer than K-files, and are recommended for calcified canals and ones that are curved and narrow.
What is NiTi Endo?
The NiTi rotary file is an engine-driven tapered and pointed niti instruments in endodontics made of nickel-titanium alloy with cutting edges used to mechanically shape and prepare the root canals during endodontic therapy or to remove the root canal obturating material while performing retreatment.
What are rotary instruments?
A rotary instrument is used to remove or reduce tooth matter and to shape teeth during endodontic procedure. Rotary instrument includes burs and endodontic files. Various brands of rotary instruments are currently available in the market which includes dentsply protaper, Mtwo, endostar, k3 XF files, Heroshaper etc.
What is NiTi in dentistry?
Today, NiTi rotary instruments are the most popular material/method for mechanical root canal debridement. In the current market, NiTi instruments are available along a large spectrum that spans a pure austenitic (A) phase rotary file to a pure martensitic (M) phase instrument (Figure 11).
What is Max wire technology?
Max-Wire (Martensite-Austenite-electropolish-fileX), recently introduced by FKG Dentaire, is the first endodontic file system that combines both the shape memory effect and superelasticity in a single system in clinical applications.
What are rotary files made of?
A nickel titanium rotary file is an engine-driven tapered and pointed endodontic instrument made of nickel titanium alloy with cutting edges used to mechanically shape and prepare the root canals during endodontic therapy or to remove the root canal obturating material while performing retreatment.
What are the classifications of dental hand instruments?
Most dental hand instruments fall into four categories, they include examination instruments, hand cutting instruments, restorative instruments and instrument accessories.
- Examination Instruments.
- Hand Cutting Instruments.
- Restorative Instruments.
- Dental Hand Instrument Accessories.
Which is the most varied category of rotary instruments?
Dental Handpieces and Accessories
| Abrasive rotary instruments are the most varied category of rotary instruments. T or F | True |
| Define bur. | rotary instrument that has a sharp cutting head |
| What type of bur is used to remove decay during tooth preparation? | round bur |
What are the advantages of NiTi instruments?
NiTi alloys offer major advantages over conventional stainless steel endodontic files due to properties such as flexibility, elasticity, and improved resistance to cyclic fatigue. Also, NiTi has been applied in other fields, such as orthodontics, for orthodontic wire, and for implantable biomaterials in medicine.
What is the difference between K file and h file?
All K-files are mainly intended for rotary motions inside the canals. On the other hand, H-files are specially designed for shaping canals after they are previously cleaned and enlarged with K-files. They are made out of the ground wire and have a tear-drop cross-sectional shape.
What is F1 in dentistry?
F1 dental unit provides a versatile, electric instrument control system and excellent ergonomic and hygienic features. More for less. Height can be adjusted between 40 to 91 cm.
What is crown down technique?
The Crown-Down technique involves the widening of the canal orifices with Gates-Glidden drills followed by the incremental removal of organic canal contents proceeding from the canal orifice to the apical portion using manual files. Files are used from larger to smaller with no apical pressure.
What is ProTaper next?
The ProTaper NEXT (PTN) System provides shaping advantages through the convergence of a variable tapered design on a given file (ProTaper Universal), innovative M-Wire technology, and a unique offset mass of rotation (as developed by Dr. Michael J. Scianamblo and the Dentsply International team).
Who introduced NiTi files?
In 2015 COLTENE introduced HyFlex EDM, a 5th generation NiTi file.
What is a rotary file called?
Synonyms, crossword answers and other related words for ROTARY FILE [burr]
What is the most efficient rotary cutting instrument?
Conclusions: The tested carbide bur showed greater cutting efficiency than the tested diamond rotary cutting instruments when used with the electric handpiece. The electric handpiece showed a higher cutting efficiency than the turbine, especially when used with the carbide bur, probably due to its greater torque.
Is intracanal separation of NITI endodontic rotary instruments still a problem?
Intracanal separation of NiTi endodontic rotary instruments is still one of the major concerns of endodontists, even if the success rate of root canal therapy is high.
What is the phase transition temperature of NITI endodontic rotary instruments?
Phase transition ranging from 32 °C to 35 °C (between martensite and austenite) R-Motion file System Race Evo Open in a separate window 1.3. Evaluation of Mechanical Properties of NiTi Endodontic Rotary Instruments
Can NiTi rotary files be used in root canals?
It must be recognized that certain root canals exhibit anatomical configurations which preclude the safe use of NiTi rotary files. No instrument should be introduced into the root canal space until the appropriate irrigant is introduced into the pulp chamber.
What factors affect the centering ability of NITI endodontic instruments?
Centering Ability As pointed out by several studies, the parameters that influence the centering ability, canal transportation and shaping ability of NiTi endodontic instruments are fundamentally related to the morphology (cross section, pitch, taper and helix angle), heat-treatment and instrumentation procedures (speed and motion) [99,106]. 4.