One visit or two? study tests best root canal approach for diabetics
NCT ID NCT07271511
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study compares pain after root canal therapy done in one visit versus two visits for people with diabetes. 200 patients aged 12-60 with a single-rooted tooth needing root canal will be randomly assigned to either a single session or two sessions. The main goal is to see which approach leads to less moderate-to-severe pain 24 hours after the procedure.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Root canal therapy (single-visit or multiple-visit procedure)
- What this could lead to
- If one approach causes less pain, dentists may adopt it for diabetic patients, improving their comfort after root canals.
- What could go wrong
- This is a small, early-stage trial focused on short-term pain, not long-term outcomes. Results may not apply to all diabetics or teeth types.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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 200 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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May 2026
An estimate. Start dates often move.
- Expected to finish
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Jun 2026
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 65 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.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria:Patients aged between 12 and 60 years. Diagnosed with Type 1 or Type 2 Diabetes Mellitus. In need of root canal treatment on a single-rooted tooth. A clinical diagnosis of either irreversible pulpitis or necrotic pulp in the indicated tooth. Willingness and ability to understand and provide written informed consent (and assent with parental consent for minors). \- Exclusion Criteria: * Pregnancy. Known history of allergy to local anesthetics. Presence of large periapical radiolucent lesions (typically defined as \>5mm in diameter). Current use of long-term analgesic or anti-inflammatory medication (which could alter pain perception). Teeth with complex root canal anatomy (e.g., calcified canals, C-shaped canals) that would complicate standard treatment.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
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