A patient reports with symptoms of pulpitis and apical periodontitis in 47. The tooth has a # filling.
An obstruction is encountered in the apical third of distal canal.
A precurved file and tactile feeling help negotiate a sharp distal bend in the apical third.
The distal canal is prepared by hand filing in the apical third and Protaper rotary in coronal and middle third.
Mesial root has a Type II canal anatomy and is prepared with Protaper rotary files.
After final Obturation using 6% G.P.as master cone and lateral condensation technique.
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