About this trial
The goal of this randomized clinical trial is to evaluate whether different root canal preparation systems and sealer types affect postoperative pain after root canal treatment in adult patients (18-60 years) with asymptomatic irreversible pulpitis in mandibular premolars.
The main questions it aims to answer are:
Do different instrumentation systems (TruNatomy vs ProTaper Gold) influence postoperative pain levels? Do different sealer types (AH Plus vs TotalFill BC) affect postoperative pain and analgesic consumption? Researchers will compare TruNatomy and ProTaper Gold systems combined with AH Plus or TotalFill BC sealers to determine their effect on postoperative pain.
Participants will:
Undergo single-visit root canal treatment using one of the assigned file system and sealer combinations Record their pain levels using a Numerical Rating Scale (NRS) at specific time intervals (6, 12, 24, 48, 72 hours, and 7 days) Take ibuprofen only if needed and record analgesic intake Attend a follow-up visit on the 7th day
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Asymptomatic teeth with delayed positive response to thermal and electric pulp testing
Vital teeth with signs of irreversible pulpitis
Mature mandibular first or second premolars
Periodontally healthy teeth
Disqualifiers
Patients with systemic conditions (e.g., diabetes, immunocompromised status, pregnancy)
Antibiotic use within the past month
Use of analgesics within 7 days prior to treatment
Known allergy to materials used
Trial design
Factorial
Treatments tested in this trial
TruNatomy
DeviceRotary nickel-titanium (NiTi) endodontic file system used for root canal shaping with minimally invasive design. Instrumentation performed according to manufacturer instructions.
ProTaper Gold
DeviceHeat-treated rotary nickel-titanium (NiTi) endodontic file system used for root canal shaping following manufacturer-recommended protocol.
AH Plus
Other interventionEpoxy resin-based root canal sealer used for obturation with gutta-percha using a single-cone technique.
TotalFill BC
Other interventionCalcium silicate-based bioceramic root canal sealer used for obturation with gutta-percha using a single-cone technique.
Treatment groups
Trial outcomes
Primary outcomes
Postoperative Pain Intensity (Numerical Rating Scale)
Postoperative pain will be assessed using a Numerical Rating Scale (NRS, 0-10), where 0 indicates no pain and 10 indicates worst imaginable pain. Patients will record pain levels at 6, 12, 24, 48, and 72 hours, and on day 7 following root canal treatment.
Locations
Sponsors and contacts
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