Factors Affecting the Endodontic Treatment Outcome

The aim of this prospective cohort observational study is: (i) to assess the endodontic treatment outcome in a private specialist endodontic office in Slovenia; (ii) to estimate the effect of various pre-, intra- and postoperative factors onto endodontic treatment outcome.

Inclusion Criteria:

• patients referred to the private endodontic specialist office for endodontic treatment
• written informed consent was obtained prior beginning of the treatment.

Exclusion Criteria:

• preoperative advanced periodontal disease
• prior microsurgical root-end resection performed
• apices of the tooth were not clearly discernible on any of periapical radiographs
• endodontic treated teeth were extracted for non-endodontic reason
• the patient did not attend a follow-up examination.