Apexification Treatment With MTA(Mineral Trioxide Aggregate) and Ca(OH)2

Delayed Apexification Treatment With MTA and Ca(OH)2 of Non-vital Immature Teeth in Adults: A Prospective Comparative Clinical Study

Ninety immature teeth with necrotic pulps and periapical lesions on patients (aged 16-40y) were treated with AT using MTA (45 teeth) or CH (45 teeth) between 2015 and 2018. The patients were contacted for follow-up examination at 12 to 48 months after treatment. The treatment outcome based on clinical and radiographic criteria was assessed by calibrated examiners and dichotomized as "healed+healing" or "not healed". The age, gender, stage of root development, preoperative signs and symptoms of apical periodontitis and size of periapical lesion were recorded.

The aim of the study was to evaluate and compare the influence of various predictors on outcomes of apexification treatment (AT) using either mineral trioxide aggregate (MTA) or calcium hydroxide (CH) to treat permanent immature anterior teeth with necrotic pulps and periapical lesions in adults. Ninety immature teeth with necrotic pulps and periapical lesions on patients (aged 16-40y) were treated with AT using MTA (45 teeth) or CH (45 teeth) between 2015 and 2018. The patients were contacted for follow-up examination at 12 to 48 months after treatment. The treatment outcome based on clinical and radiographic criteria was assessed by calibrated examiners and dichotomized as "healed+healing" or "not healed". The age, gender, stage of root development, preoperative signs and symptoms of apical periodontitis and size of periapical lesion were recorded. The effect of potential clinical variables on the treatment outcome of AT was evaluated clinically and radiographically during a 12-48-month follow-up. In order to assess the cumulative successes of CH and MTA after AT, Kaplan-Meier survival analysis and log-rank test was used(p>0.05).

Inclusion Criteria:

• patients without a systemic disease and compromised immune status
• patients had immature teeth with periapical lesions with or without previous endodontic treatment.

Exclusion Criteria:

• patients with advanced periodontitis (more than 5 mm periodontal attachment and bone loss),
• teeth with contraindications for endodontic treatment (root fracture, unrestorable tooth, replacement resorption or previous surgical endodontic treatment).