16. Which one is the advantage of crown down technique? a. More time consuming b. If large, less flexible rotary instrument are used too rapidly and deeply in the root canal, a ledge may form c. Elliminates coronal interferences which allows better determination of apical canal sizes.

Question

16. Which one is the advantage of crown down technique? a. More time consuming b. If large, less flexible rotary instrument are used too rapidly and deeply in the root canal, a ledge may form c. Elliminates coronal interferences which allows better determination of apical canal sizes.

Answer 1

The correct answer is:c. Eliminates coronal interferences which allows better determination of apical canal sizes.The crown-down technique is a method used in endodontics to shape the root canal. It involves removing the coronal portion of the pulp chamber and then using a series of files to gradually enlarge the apical opening. This technique helps eliminate coronal interferences, allowing for better determination of apical canal sizes. It also helps in creating a more uniform canal shape and size, which can facilitate the cleaning and shaping process.

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16. Which one is the advantage of crown down technique? a. More time consuming b. If large, less flexible rotary instrument are used too rapidly and deeply in the root canal, a ledge may form c. Elliminates coronal interferences which allows better determination of apical canal sizes.

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