Violation
A retrograde filling is indicated
when conventional endodontics is impractical.
when the apical foramen cannot be sealed by conventional endodontics.
when a root perforation needs to be sealed.
All of the above.
A retrograde filling is indicated
when conventional endodontics is impractical.
when the apical foramen cannot be sealed by conventional endodontics.
when a root perforation needs to be sealed.
All of the above.