Summary:
Purpose: to introduce the approach of selective root retreatment .
Case report:
•57 y/o woman, has well-localized pain of 2 weeks’ duration, #18 painful on percussion, palpation and biting.
•Periapical RG shows missed DL root, confirmed with CBCT. After presenting all options, patient opted selective retreatment.
Treatment:
•After profound anesthesia, under RD isolation, location of access was guided by measuring CBCT and transferring it to the crown. Then root canal treatment was done after WL measurement, C/S to 06/25 (vortex). irrigation protocol consisting .
•Obturation with continuous wave condensation.
•After 12 months, tooth is symptom free, no pain on percussion or palpation , periapical RG and CBCT showed complete healing.






