When dealing with RCT in young permanent teeth.... like in this case of 8 years old boy
With signs of irreversible pulpitis, extensive caries in lower 1st molar
Although there is no obvious open apex.... but the apical foramen is not fully formed..... that reflects on our work in inability to maintain master cone tug back....
As usual:
Shaping with Continuous Irrigation During Instrumentation Technique using Videya Dental endo files from Videya Dental and Al-Majd Dental - AMD
Negative Pressure Irrigation Technique
Intracanal Heating + Ultrasonic Activation