The goal of this clinical trial is to evaluate healing potentiality of MTA and bioceramics materials as a root perforation repair material.

The main questions it aims to answer are:

is there is a significant difference in healing potentiality of MTA and bioceramics materials as a root perforation repair material?

Participants will:

enrollment will be from out-patients clinic of endodontic department, faculty of dentistry, Ain Shams university with root perforations. perforation repair will be done using either bio-ceramic or MTA repair material and preoperative or immediate postoperative CBCT and postoperative CBCT will be taken to compare healing.

Inclusion Criteria:

1. Patients with root perforation in lower molars.
2. Patients had anon contributory medical history.
3. Patients of age categories between 15 to 50 years old.
4. No sex restriction.
5. Small to medium size perforation.

Exclusion Criteria:

1. Patients with generalized chronic periodontitis.
2. Teeth with difficult isolation.
3. Non restorable teeth.
4. Medically compromised patients.
5. Patients with history of allergies to any of the medications to be used during or after the treatment.