RCT Prior to Implantation

Root canal therapy (RCT) in a 85-year-old man could be intimating.  Study of CBCT (Fig.1 (sagittal section), 2 (coronal)) alleviates such anxiety.  The canal of the tooth #22 is straight, patented and close to the wear facet (Fig.1-3).

Fig.4 shows a master cone in place (40/.04).  Fig.5 is taken after RCT and build up.  Eradication of the periapical infection at the tooth #22 helps preventing post-immediate implant infection at the site of #21 (Fig.1).  The tooth #22 develops acute apical abscess 4 years 9 months post RCT (Fig.6).  After apicoectomy (Fig.7), allograft is placed (Fig.8).

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Xin Wei, DDS, PhD, MS 1st edition 09/24/2014, last revision 06/26/2019