On (b)(6) 2017, 3m was notified by an orthodontist that the top layer of enamel broke off a (b)(6) male patient's tooth (#3) upon debonding of a 3m unitek apc flash free victory series fit buccal tube.3m unitek transbond plus self-etching primer was used to place the bracket.The orthodontist sent the patient to their dentist to have the tooth repaired.Upon follow-up by 3m with the orthodontist, it was learned that the enamel damage was down to dentin and the orthodontist reported that the tooth appeared to be normal prior to this event.
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