Questions and Answers
Which of the following describes the cutting action of a file compared to scraping action?
Cutting action is more efficient and requires less force
What can happen if excessive pressure is applied to a cutting file?
It can produce excessive torsion
How do the tapers of the ProTaper Universal rotary files differ between the shapers and finishers?
The shapers have increased tapers in their coronal portions, the finishers decreased the taper coronally
What is the purpose of the different tapers within a single instrument in the second generation files?
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Which of the following techniques was incorporated to solve the threading-in effect in some second generation instruments?
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What was the purpose of the electro-chemical polishing process used in some second generation files?
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How many main instruments are there in the ProTaper Universal rotary file system?
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What is the purpose of the shaper instruments in the ProTaper Universal rotary file system?
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What is the purpose of the finisher instruments in the ProTaper Universal rotary file system?
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How does the pitch of a file relate to the number of spirals or threads per unit length?
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