Periapical Healing After One or Two-visits to Endodontic Treatment in Adolescents Patients

Universidade Federal do Rio de Janeiro120 enrolled

Overview

The main objective of this study is the prevention and repair of apical periodontitis in lower molars with pulp necrosis after the execution of endodontic treatment in one or two visits in adolescent patients. Moreover, it is also observed the frequency of postoperative pain in endodontic treatment.

This project is developed in adolescent patients who have need of endodontic treatment in necrotic molars. The patients were randomly divided into two groups of treatment: one and two visits. The treatment protocol is the same for both groups, except the number of visits and the use of intra canal medication in the group treated in two visits. Patients will be followed clinically and radiographically for a minimum period of two years. The data was collected by the evaluation of postoperative pain and to determine the healing of periapical lesions, characterizing the success of the treatment.

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

TREATMENT

Masking

DOUBLE

Enrollment

120

Conditions

Periapical Periodontitis

Interventions

Root canal therapy in one visitPROCEDURE

Patient was anesthetized with local anesthetic solutions, and the caries was removed. The tooth was isolated with rubber dam and access to pulp chamber was completed. Cleaning and shaping preparation was achieved with manual and rotatory endodontic instruments.The ideal working length was determined by an electronic apex locator and periapical radiography. Irrigation was performed with 5.25%NaOCl solution. The smear layer was removed by 10% citric acid. The cases were obturated with guta-percha cones using a lateral compaction filling technique as well as zinc oxide-eugenol-based root canal sealer. The teeth filled with a light-cured resin.

Root Canal Therapy in two-vistPROCEDURE

The treatment protocol was the same as described for one visit group. In the first visit, after cleaning, shaping and smear layer removal, the root canals were medicated with a calcium hydroxide paste and sterile distilled water (1:1) and the pulp chamber was sealed with a minimum 3mm thickness temporary filling restoration. After 10-12 days, during the second visit, the medication was removed, and the cases were obturated with guta-percha cones using a lateral compaction filling technique as well as zinc oxide-eugenol-based root canal sealer. The teeth filled with a light-cured resin.

Eligibility

Sex: ALLMin age: 11 YearsMax age: 18 YearsHealthy volunteers:

Medical Language ↔ Plain English

Inclusion Criteria: 1. Patients healthy 2. Not have taken analgesic, anti-inflammatory or antibiotic drugs during the 10 days prior to the beginning of treatment 3. Lower first or second permanent molars with complete root formation and dental pulp necrosis with or without symptoms Exclusion Criteria: 1. Presence of periodontal diseases 2. Pulp calcification 3. Acute dent-alveolar abscesses 4. Hemorrhage in the canal after access

Locations (1)

Federal University of Rio de Janeiro

Rio de Janeiro, Rio de Janeiro, Brazil

Outcomes

Primary Outcomes

Healing Rate of one- versus two-visit endodontic treatment

After completion of endodontic treatment in one or two visits, patients will be followed clinically and radiographically every 06 months for a minimum of two years to assess the prevention and repair of apical periodontitis.

Time frame: Two years

Secondary Outcomes

Postoperative pain of endodontic treatment

Following the completion of endodontic treatment in one or two visits, patients receive a clinical record for home monitoring of postoperative pain and return to clinic to conduct a follow-up clinical and radiographic. Pain is assessed using a numerical scale for pain.

Time frame: 60 days

Data from ClinicalTrials.gov

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