Root Canal Enlarging Instruments Quiz
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Questions and Answers

What is the material of construction for Group II low speed instruments?

  • Diamond Points
  • Specially treated Stainless steel (correct)
  • Nickel Titanium
  • Machine grinding

    • What is the power source for Group III engine driven instruments?

  • Rotary or vibratory
  • Engine driven (correct)
  • Low speed
  • Hand driven

    • Which technique of manufacturing is used for Group I hand operated instruments?

  • Counter clockwise twisting (correct)
  • Incision & elevation
  • R file
  • Machine grinding

    • Which group of instruments includes Gates Glidden drills (GG) & Peeso reamers?

    <p>Group II: Low speed instruments</p> Signup and view all the answers

    What is the technique of manufacturing for NiTi rotary instruments?

    <p>Machine grinding</p> Signup and view all the answers

    What is the power source for NiTi rotary instruments?

    <p>Engine driven</p> Signup and view all the answers

    Which material of construction is used for Diamond Points?

    <p>Diamond Points</p> Signup and view all the answers

    What is the power source for Group I hand operated instruments?

    <p>Hand driven</p> Signup and view all the answers

    Which group of instruments includes broaches, Files, Reamer?

    <p>Group I: Hand operated</p> Signup and view all the answers

    What is the technique of manufacturing for R file?

    <p>R file</p> Signup and view all the answers

    Which material of construction is used for Reamer?

    <p>Specially treated Stainless steel</p> Signup and view all the answers

    What is the power source for Gates Glidden drills (GG) & Peeso reamers?

    <p>Hand driven</p> Signup and view all the answers

    What is the tip angle standardized at for the instruments?

    <p>75 degrees ± 15 degrees</p> Signup and view all the answers

    Which type of hand enlarging instrument is designed for curved canals?

    <p>H-Files</p> Signup and view all the answers

    What is the incremental increase in size for some instruments?

    <p>100 microns</p> Signup and view all the answers

    What is the material of construction for instruments designed for negotiation and curved canals?

    <p>Titanium alloy</p> Signup and view all the answers

    What is the helical angle of K-Files?

    <p>40°</p> Signup and view all the answers

    What does ISO standardization include for the instruments?

    <p>Length, taper, numbering, and color coding</p> Signup and view all the answers

    What is the tolerance for the instruments?

    <p>± 0.02mm</p> Signup and view all the answers

    What are the geometric dimensions and designs for hybrid instruments focused on?

    <p>Flexibility, cutting efficiency, and safety</p> Signup and view all the answers

    What technique allows control over the apical curve during root canal enlargement?

    <p>Crown-down technique</p> Signup and view all the answers

    What is the incremental increase in size for some instruments?

    <p>50 microns</p> Signup and view all the answers

    What is the cross-sectional shape of H-Files?

    <p>Comma-shaped</p> Signup and view all the answers

    What construction method is included in the design of hybrid instruments?

    <p>Multi-piece construction</p> Signup and view all the answers

    Study Notes

    Root Canal Enlarging Instruments and Standardization

    • Hand Enlarging Instruments include K-Reamers, K-Files, and H-Files
    • K-Reamers are made of stainless steel, have a triangle cross-section, low helical angle, and are flexible
    • K-Files are made of stainless steel, have a square cross-section, high cutting efficiency, and a 40° helical angle
    • H-Files are made of stainless steel, have a comma-shaped cross-section, are flexible, and have a helical angle close to 90°
    • ISO standardization includes length, taper, numbering, incremental size increase, color coding, and tolerance
    • Incremental increase in size is 50 microns for some instruments and 100 microns for others
    • The tip angle is standardized at 75 degrees ± 15 degrees
    • Tolerance for instruments is ± 0.02mm
    • Hybrid instruments are designed for curved canals and include geometric dimensions, construction method, and material
    • Geometric dimensions and designs for hybrid instruments focus on flexibility, cutting efficiency, and safety
    • The crown-down technique allows control over the apical curve during root canal enlargement
    • Materials of construction for instruments include specially treated stainless steel and NiTi alloy for negotiation and curved canals

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    Related Documents

    Root Canal Enlarging Instruments PDF

    Description

    Test your knowledge of root canal enlarging instruments and standardization with this quiz. Explore topics such as hand enlarging instruments, ISO standardization, incremental size increase, hybrid instruments, and the crown-down technique. Sharpen your understanding of the construction materials and geometric dimensions crucial for effective root canal enlargement.

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