If the root canal has already been done 3-4 times and there is still a Black area in x-ray it may mean there is persistent infection,missed canal, or leakage
In such cases Re-rct may not always solve problems
Options- apicoectomy(surgical cleaning of root tip) extraction+ replacement (implant or bridge) considered depending on case
Answered2025-09-03 16:00:46
Let others know if this answer was helpful