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Three months later, the patient returns for #7 RCT because of the abscesses (Fig.4 *) and pain. Intraop PA is taken with a 30/.06 rotary file in the canal with 19 mm working length (Fig.5). After use of #15 hand file for 20 mm, Ca(OH)2 paste is applied in the canal.
Xin Wei, DDS, PhD, MS 1st edition 09/06/2019, last revision 09/07/2019