To ensure consistency in the sizes and lengths of the intracanal endodontic instrumentation, the ADA and manufacturers have standardized a name-number and color-code system. Which group of files are flexible and used for curved and narrow canals?

a. Barbed broach
b. K-type
c. Hedstrom
d. Flex

d
RATIONALE: To ensure consistency in the sizes and lengths of the intracanal endodontic instrumentation, the ADA and manufacturers have standardized a name-number and color-code system. Flex files are flexible and used for curved and narrow canals.

Health Professions

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