On (b)(6) 2015, a representative from a dental office reported that patients with 3m espe lava ultimate cad/cam restorative for cerec crowns required root canal treatment.Follow-up information provided by the office on (b)(6) 2015, detailed the case of a (b)(6) female patient who received a lava ultimate crown on tooth #20 secured with 3m espe relyx unicem 2 cement on (b)(6) 2012.The patient experienced pain upon biting (onset date of symptoms was not provided) and on (b)(6) 2013, a root canal was performed.The patient is currently reported to be asymptomatic.
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