Podcast
Questions and Answers
What is the material of construction for Group II low speed instruments?
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?
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?
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?
Which group of instruments includes Gates Glidden drills (GG) & Peeso reamers?
What is the technique of manufacturing for NiTi rotary instruments?
What is the technique of manufacturing for NiTi rotary instruments?
What is the power source for NiTi rotary instruments?
What is the power source for NiTi rotary instruments?
Which material of construction is used for Diamond Points?
Which material of construction is used for Diamond Points?
What is the power source for Group I hand operated instruments?
What is the power source for Group I hand operated instruments?
Which group of instruments includes broaches, Files, Reamer?
Which group of instruments includes broaches, Files, Reamer?
What is the technique of manufacturing for R file?
What is the technique of manufacturing for R file?
Which material of construction is used for Reamer?
Which material of construction is used for Reamer?
What is the power source for Gates Glidden drills (GG) & Peeso reamers?
What is the power source for Gates Glidden drills (GG) & Peeso reamers?
What is the tip angle standardized at for the instruments?
What is the tip angle standardized at for the instruments?
Which type of hand enlarging instrument is designed for curved canals?
Which type of hand enlarging instrument is designed for curved canals?
What is the incremental increase in size for some instruments?
What is the incremental increase in size for some instruments?
What is the material of construction for instruments designed for negotiation and curved canals?
What is the material of construction for instruments designed for negotiation and curved canals?
What is the helical angle of K-Files?
What is the helical angle of K-Files?
What does ISO standardization include for the instruments?
What does ISO standardization include for the instruments?
What is the tolerance for the instruments?
What is the tolerance for the instruments?
What are the geometric dimensions and designs for hybrid instruments focused on?
What are the geometric dimensions and designs for hybrid instruments focused on?
What technique allows control over the apical curve during root canal enlargement?
What technique allows control over the apical curve during root canal enlargement?
What is the incremental increase in size for some instruments?
What is the incremental increase in size for some instruments?
What is the cross-sectional shape of H-Files?
What is the cross-sectional shape of H-Files?
What construction method is included in the design of hybrid instruments?
What construction method is included in the design of hybrid instruments?
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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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.
