Overview
The relationship between different root canal irrigation techniques and pain after root canal treatment
Eligibility
Inclusion Criteria:
- o Patients aged 18-60 years who are classified as medically healthy (ASA I or II),
- Mature, single-rooted and canal teeth that had root canal treatment at least four years ago,
- Teeth with previous root canal obturation 2-4 mm short of the apex,
- Teeth that do not need periodontal and prosthetic treatment and whose periapical index score (PAI) is between 2 and 4 ,
- Teeth with single root and canal diagnosed with asymptomatic apical periodontitis,
- Teeth suitable for rubber dam isolation.
Exclusion Criteria:
- o Patients who had taken analgesics, antibiotics, or corticosteroids within two weeks before root canal retreatment,
- Teeth exhibiting periodontal attachment loss,
- Presence of vertical root fractures, external root resorption, or perforations,
- Teeth with retained broken instruments,
- Non-restorable teeth,
- Patients in the pregnancy and breastfeeding period.


