 Correction at furcation
a) Stop RCT
b) Place MTA / CaOH / GIC
c) Thus the form of a barrier
d) Continue with RCT
e) Or OBT only after healing
 Management of perforation is done after BMP & before OBT

PERFORATION
a. At furcation / coronal 3rd – good prognosis
b. At middle 3rd / apical 3rd – poor prognosis
c. If perforation at apical 3rd – poor prognosis
d. If at furcation – best prognosis