On (b)(6) 2022, customer stated that molars clamps sets 13a and 12a were used on maxillary molar 4 and both sets fractured during use, without warning between 1st usage and 10th usage.On all occasions, clamps flossed and retrieved without incident.All clamps rusted with sodium hypochlorite use (5.25%).Additional information was provided on 08/08/2022 as follows: the clamps broke during the procedure.The first one at about 15-30 minutes into the procedure, and the second one at about one hour into the procedure.On both occasions, the dental dam came off the tooth.
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