New study aims to make root canals less painful
NCT ID NCT07526844
First seen Jun 27, 2026 · Last updated Sep 11, 2026 · Updated 1 time
Summary
This study looks at whether using different root canal tools (TruNatomy vs ProTaper Gold) and different sealers (AH Plus vs TotalFill BC) can reduce pain after a root canal. About 144 adults with a tooth infection will take part. They will rate their pain at several times over a week and take pain medicine only if needed.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 144 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Oct 2026
An estimate. Start dates often move.
- Expected to finish
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Oct 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 60 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria * 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 Exclusion Criteria * 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 * Teeth with periapical lesions * Non-vital or symptomatic teeth * Teeth requiring post-core restorations * Calcified canals, root resorption, or immature teeth
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
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How to take part
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The official record
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A doctor treating you
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