WaveOne Classification of Cleaning and Shaping Instruments Quiz

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What is the major disadvantage of using Carbon Steel endodontic instruments?

Higher cost compared to other alloys

Extremely flexible and difficult to control

Prone to corrosion and rust (correct)

Poor cutting efficiency

Which alloy used for endodontic instruments has a composition of 55% nickel and 45% titanium?

HyFlex CM NiTi Files

Stainless Steel

Nickel-Titanium (correct)

Carbon Steel

What is the advantage of Stainless Steel endodontic instruments?

Low modulus of elasticity

Shape memory

Good resiliency

Corrosion resistance (correct)

Why are Nickel-Titanium endodontic instruments considered superior to Stainless Steel in terms of flexibility?

Super elasticity and low modulus of elasticity Signup and view all the answers

What is a common disadvantage of Carbon Steel and Stainless Steel endodontic instruments?

Prone to distortion Signup and view all the answers

What is the initial form of a hand-operated endodontic instrument before it is modified into a tapered tool?

Round wire Signup and view all the answers

What is a common mistake to avoid when using nickel-titanium rotary endodontic instruments?

Staying in canals for long Signup and view all the answers

Which type of instrument damage is classified as Type III according to Sotokowa's classification?

Peeling of metal at blade edges Signup and view all the answers

What is recommended for inducing a desirable working area in the oral cavity?

Proper moisture control, visibility, and good accessibility Signup and view all the answers

Which action should be avoided during nickel-titanium rotary endodontic instrument use?

Dry instrumentation Signup and view all the answers

What should be done before, during, and after using endodontic files?

Examine the files for damage Signup and view all the answers

Which behavior is not advised when using endodontic instruments?

Using unclean files Signup and view all the answers

What is the purpose of placing a rubber dam napkin between the dam and the patient's skin?

To avoid any latex-related allergic reaction Signup and view all the answers

In root canal treatment, what is the biological goal related to microorganisms in the root canal system?

Eliminating microorganisms from the root canal system Signup and view all the answers

How have rotary NiTi instruments impacted root canal treatments?

Led to dramatic improvements in shaping root canals Signup and view all the answers

What is a key advantage of using a rubber dam in root canal treatment?

Prevention of reinfection Signup and view all the answers

Why is the selection of clamp important in the context of applying a rubber dam?

For proper isolation of the tooth being treated Signup and view all the answers

What is the purpose of a clamp with wings in endodontic procedures?

To lead to more rapidity of work and efficiency Signup and view all the answers

What is the clinical classification of instruments used for access opening in endodontic treatment?

Instruments used for access opening Signup and view all the answers

What is the purpose of a moving table clamp with holes of different diameters?

To punch the rubber dam for application on specific teeth Signup and view all the answers

Which ISO color coding is unique and only available in #06 size?

#06 Signup and view all the answers

What is the specification for the cutting blades of Ingle's Original Recommendation?

16 mm in length, 2% taper Signup and view all the answers

Which type of clamp is recommended for endodontic purposes?

Medium weight thickness clamps Signup and view all the answers

Which materials are rubber dam clamps usually made up of?

Stainless steel or plastic Signup and view all the answers

Which shape of the tip is specified in Ingle's Original Recommendation for endodontic instruments?

75 degrees Signup and view all the answers

What is the function of a flexible elastic material used during rubber dam application?

To maintain interproximal area of the rubber dam Signup and view all the answers

Which group of cleaning and shaping instruments do Sonic and UltraSonic Instruments fall under according to ISO-FDI classification?

Group VI Signup and view all the answers

What is the purpose of using clamps in in-office vital or non-vital bleaching procedures?

To exact make a punch on the tooth for upper and lower teeth Signup and view all the answers

Which type of endodontic instrument is used specifically to remove pulp tissue?

Barbed Broaches Signup and view all the answers