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Root canal relief? study tests best way to clean teeth

NCT ID NCT07241650

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing This study
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at different ways to clean a tooth during a root canal to see which causes the least pain and improves quality of life. 90 adults with a specific type of tooth infection will be randomly assigned to one of three irrigation methods. They will report their pain levels at several time points over a week and complete a quality-of-life questionnaire.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Sodium hypochlorite (bleach) and HEDP (a chelating agent) used as irrigation solutions during root canal treatment
What this could lead to
If successful, this could identify a better way to clean root canals, leading to less pain and faster recovery after treatment.
What could go wrong
This is a small, early-stage study (90 people) comparing different techniques, so results may not apply to all patients or root canal cases. Pain is subjective and varies widely.

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

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

About 90 people

The number the study aims to enrol. It can still change while the study runs.

Started

Nov 2025

Expected to finish

Jan 2026

An estimate. End dates often move.

Lead sponsor

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

18 to 65 years

Sex

Anyone

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Systemic Inclusion Criteria1. Volunteers must not have any systemic symptoms or be pregnant.2. According to the ASA classification, individuals with: • ASA I (Healthy (without acute and/or chronic diseases)• ASA II (with mild systemic diseases) (asymptomatic congenital heart disease, well-controlled dysrhythmias, non-exacerbated asthma, well-controlled epilepsy, non-insulin-dependent diabetes mellitus, oncological conditions in remission) will be included in our study.3. Must be between 18 and 65 years of age.4. Must not have used analgesic anti-inflammatory drugs in the last two weeks or cortisone in the last 6 months.5. Volunteers must be able to contact us again 6, 12, 24, 48, or 72 hours after completing their treatment and must be mentally fit enough to express pain scores and answer the questionnaire.6. Volunteers must not have bruxism.Local inclusion criteria 1. Mandibular molars must be present.2. Teeth must be asymptomatic preoperatively.There must be no palpation, percussion, or radiographic findings.3. Rubber dams must be attached to the teeth to be treated.4. The teeth must be in its normal position within the mouth.5. The volunteer must be able to open their mouth sufficiently. Exclusion Criteria: * 1\. Volunteers who have used analgesics, anti-inflammatory drugs, antibiotics, etc. that could alter pain and infection control in the last 12 hours.2. Subjects with a history of sensitivity or adverse reactions to any medication or material used in this study3. Teeth with calcified canals or severe periodontal disease4. Subjects with missing opposing or adjacent teeth5. Pregnant or breastfeeding female subjects6. Teeth requiring additional anesthesia methods (e.g., intrapulpal, intraligamentary, second block anesthesia, or additional local anesthetic agent) will be excluded from the study if anesthesia is insufficient.7. Teeth with apical lesions will not be included in the study.8. Teeth with root resorption will not be included in the study.9. Teeth requiring restorations such as endocrowns, onlays, overlays, or full crowns due to excessive material loss after root canal treatment will not be included in the study.Teeth with structural loss sufficient to require post-core application will be excluded.10. Teeth with untreated periodontitis and teeth or sites that have undergone surgical treatment within the last 6 months will not be included in the study.

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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.

Contacts and locations

Locations

  • Ankara Yıldırım Beyazıt Universty

    Ankara, Turkey (Türkiye)

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