The loss of a dental filling or crown are well-known issues when using dental floss.This is a result of a tooth restoration that is structurally compromised or has reached the end of it's life, and is not due strictly to the device.The use of dental floss with an improperly restored tooth could exacerbate a pre-existing condition and cause unforeseen damage.It does appear that the consumer had a non-standard crown of some sort.Note: this report is being provided as a part of a retrospective review, per discussion with fda medical device policy branch, and was performed as a result of recent changes/improvements made to our mdr reporting system as a result of an internal audit.This resulted in a two-year retrospective review for reportable events in order to identify and submit all events meeting the criteria described by the fda representative.
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