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Tooth-saving surgery or implant? new study aims to settle the debate for damaged molars

NCT ID NCT07633834

Disease control Sponsor: Ain Shams University Source: ClinicalTrials.gov ↗

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 This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 compares two treatments for severely damaged lower molars: a tooth-saving surgery called hemisection (removing the damaged root) versus replacing the whole tooth with a dental implant. Researchers will track 28 participants over 12 months to see which option leads to better patient satisfaction, chewing ability, and bone healing. The goal is to help dentists and patients make more informed treatment decisions.

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 28 people

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

Expected to start

Jan 2027

An estimate. Start dates often move.

Expected to finish

Jan 2028

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

21 to 60 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Good oral hygiene and motivation for follow-up care. * Ability to understand and sign informed consent. * Localized Root/Periodontal Disease: Severe attachment loss or bone loss (e.g., severe localized periodontitis) affecting the mesial root, while the other root remains healthy. * Furcation Involvement: Class II or III furcation involvements where the disease cannot be treated by conventional methods. * Vertical root fracture confined to the mesial root. * Non-treatable perforation in the mesial root. * Extensive sub-gingival root caries affecting the mesial root. * Extensive un-treatable internal and external root resorption related to the mesial root. Exclusion Criteria: * Uncontrolled systemic diseases (e.g., diabetes mellitus, bleeding disorders, immunosuppression). * Fused or poorly shaped roots, * Active periodontal or endodontic infection at adjacent teeth that may interfere with treatment outcomes. * Severe bruxism or occlusal parafunction. * History of radiation therapy in the head and neck region. * Pregnancy or lactation. * Poor compliance or inability to attend follow-up visits. * Smoking more than 10 cigarettes per day.

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Conditions

The condition(s) this trial relates to.

root caries

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Root caries Vertical root fracture

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  2. A doctor treating you

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Other studies related to the condition(s) this trial covers.