Why Do Root Treatments Fail?

An incomplete fill with voids was retreated and the result: the elimination of bacteria naturally

Root treatments fail for many reasons, but the underlying reason is microleakage and a source for bacterial growth.

An incomplete fill with voids will host a plethora of bacteria; however with good cleaning, shaping and packing that will provide a 3 dimensional seal and thus eliminate space for bacteria growth, will result in an excellent prognosis.

poor root treatment
BEFORE TREATMENT WITH VOIDS
good root canal treatment
ROOT CANAL RETREATMENT WITH COMPLETE FILL
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