9. Which one of the biological objectives of root canal preparation? a. The root canal preparation should develop a continuously tapering cone. b. Making the canal narrower apically and widest coronally. c. Necrotic debris should not be forced peri-apically. d. Avoid transportation of the foramen. e. Keep the apical opening as small as possible.

Question

9. Which one of the biological objectives of root canal preparation? a. The root canal preparation should develop a continuously tapering cone. b. Making the canal narrower apically and widest coronally. c. Necrotic debris should not be forced peri-apically. d. Avoid transportation of the foramen. e. Keep the apical opening as small as possible.

Answer 1

The correct answer is:a. The root canal preparation should develop a continuously tapering cone.Explanation: One of the biological objectives of root canal preparation is to create a continuously tapering cone within the tooth structure. This helps in facilitating the cleaning and shaping of the root canal, as well as in the subsequent obturation process. A continuously tapering cone ensures that the canal is adequately cleaned and shaped, promoting better irrigation and reducing the risk of incomplete cleaning. Additionally, it helps in achieving a more efficient and complete obturation, which is crucial for the success of the root canal treatment.

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