Violation

Which one of the following statements is true as defined in endodontics?

Overextension refers to the extrusion of filling material through an accessory canal

Overfilling refers to the incomplete filling of the canal system with a surplus of material extruding beyond the apical foramen

Underfilling refers to the complete filling of the canal space, but leaving voids in the pulp chamber for possible recontamination or infection

All of the above

Underextension refers to the vertical extent of the filling material regardless of its completeness of obturation

Please describe the matter of abuse