Dental Difference between physical characteristic of reamers and files is: A The cross-section of reamers in square and files are triangular in cross-section B The number of flutes on the blade are more in files than in reamers C The reamers have more flutes in the blade D Files have two superficial grooves to produce flutes in a double helix design 💡 Explanation Difference between physical characteristic of reamers and files is: ✓ Correct Answer: B. The number of flutes on the blade are more in files than in reamers