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Gap size matters: new dental implant study seeks perfect fit for stronger smiles

NCT ID NCT07509476

Disease control Sponsor: Cairo University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests whether the distance between a new dental implant and the surrounding bone (called the jumping gap) changes how thick the bone stays over time. About 22 adults with a broken front tooth will get an implant, and researchers will measure bone thickness using 3D scans. Participants will have checkups every 3 months for a year to see how the bone and gum tissue heal.

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 22 people

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

Started

Jun 2025

Expected to finish

Jun 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 years and older

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: 1. Patients with a bounded single non-restorable upper tooth in the anterior maxilla (15-25) FDI (El Ebiary et al., 2023b) 2. Patients with an age range of 21 to 65 years old (Levine et al., 2022) 3. Patients with good oral hygiene with BoP ≤ 10 % (Chapple et al., 2018) 4. Compliant patients willing to follow up to one year. 5. Remaining labial bone thickness ≥ 1mm measured on C.B.C.T. and confirmed on the day of surgery after tooth extraction and before final implant placement. Exclusion Criteria: 1. The presence of acute/active infection related to the non-restorable tooth (Block et al., 2009) cited in (Soegiantho et al., 2023) 2. Presence of labial bone defect as fenestration/dehiscence (Crespi et al., 2008) cited in (Soegiantho et al., 2023) 3. Large cyst or pathological lesion related to the tooth (Tallarico et al., 2016-2017) cited in (Soegiantho et al., 2023); (Morton, Wismeijer, Chen, Hamilton, Wittneben, Casentini, Gonzaga, Lazarin, Martin, Molinero-Mourelle, et al., 2023) 4. History of radiation to the maxilla (Cannizzaro et al., 2010) cited in (Soegiantho et al., 2023) 5. History of bisphosphonate therapy or other anti-resorptive agents (Cannizzaro et al., 2010) cited in (Soegiantho et al., 2023) 6. Uncontrolled systemic or metabolic disease. (Cecchinato et al., 2015) cited in (Soegiantho et al., 2023) 7. Patients with parafunctional habits or active periodontitis (Cannizzaro et al., 2010) cited in (Soegiantho et al., 2023) 8- Tobacco abuse (\>10 cigarettes per day) (Canullo et al., 2010) cited in (Soegiantho et al., 2023) 9- Alcohol abuse (Block et al., 2009) cited in (Soegiantho et al., 2023)

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As listed by the trial registrant

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

Broken Down tooth rehabilitation Guided immediate implant placement Jumping gap Labial bone thickness change

How to take part

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  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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

  • Cairo University

    RECRUITING

    Cairo, Egypt

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