Hi mam,
RCT are safe and have good results with recent technology. The indication for RCT can be determined by
1. X ray - visualisation of extent of decay
2. Pain - Once you experienced pain in that particular tooth, then RCT is the only option.
Next Steps
Please do X ray or OPG ( so that can view wisdom tooth , all in one ). Discuss the treatment plan with your dentist.
Health Tips
If you haven't experienced pain , then you can go for pulp capping procedures and then filling mam.