New study aims to make root canals less painful
NCT ID NCT07546773
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests four different ways to clean infected root canals to see which one reduces bacteria and pain the most. Forty adults with tooth infections will be randomly assigned to one of the cleaning methods. The goal is to find a better way to disinfect teeth while making the procedure more comfortable for patients.
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 40 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Apr 2026
An estimate. Start dates often move.
- Expected to finish
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Jan 2028
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.
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: * Adult patients aged 18-60 years * Requiring root canal treatment for teeth with necrotic pulp * Presence of periapical radiolucency confirmed radiographically * Good general health with no systemic diseases affecting healing outcomes * Willing to provide informed written consent * Available for follow-up appointments Exclusion Criteria: * Patients with open apices * Severe periodontal disease * Currently taking antibiotics * Allergy to study materials (lidocaine, sodium hypochlorite, methylene blue, latex) * Pregnant or breastfeeding women * Compromised immunity or systemic conditions (e.g., uncontrolled diabetes, HIV, immunosuppressive therapy) * Previous root canal treatment on the study tooth * Tooth not restorable * Presence of vertical root fracture
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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 places running it
1 site. The list below names each one and where it is.
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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.
Contacts and locations
Locations
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Endodontic Clinic, Faculty of Dentistry, Suez Canal University
Ismailia, Ismailia Governorate, 41522, Egypt
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Light-Activated therapy boosts root canal disinfection?
- New dental shot may ease pain for kids with toothaches
- Could a simple pill replace the drill for toothache emergencies?
- Ice and cold saline may ease pain after root canal or pulp treatment