Per condition #1 of exemption (b)(4), events meeting the definition of a serious injury are required to be reported.Therefore, because of the patient bled, this event meets the criteria for reportability per 21 cfr part 803.Involved carbide bur cav.Cyl.Square fg 010 that broke during use was not returned and cannot be analyzed.Moreover, no unused file is available for evaluation.Nothing unusual to report was found during dhr review (batch #1426885).Root causes are not identified.This kind of event is tracked and we monitor the trend.
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In this event it was reported that a carbide bur cavity broke during use while a tooth extraction was performed.During this act, the buccal oral mucosa was scratched about 2 mm long.After pressing with dry cotton ball for 2 minutes, the mucosa was not bleeding anymore.
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