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Jaw Surgery's hidden impact on gums revealed in new study

NCT ID NCT07349056

Knowledge-focused Sponsor: Trakya 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 watches 100 adults who are having jaw surgery to fix their bite. Researchers will check gum thickness, gum health, and bone around the teeth before surgery and at 1, 3, and 6 months after. The goal is to see how these tissues change over time. No treatment is given—this is just observation.

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.

Participants

About 100 people

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

Started

Feb 2026

Expected to finish

Feb 2027

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.

Who is studied

Adult patients referred for orthognathic surgery to the Department of Oral and Maxillofacial Surgery at Kocaeli Health and Technology University and subsequently evaluated at the Department of Periodontology at Trakya University

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: * Adults aged ≥18 years. * Presence of a Class III molar relationship of any severity at baseline. * Presence of a Class II molar relationship of any severity at baseline. * Presence of transverse arch discrepancies. * Presence of vertical maxillary excess. * Presence of maxillary and/or mandibular asymmetry. * Presence of anterior open bite. * Full permanent dentition up to the first molars, with no supernumerary teeth and no agenesis (congenital absence) of teeth up to the first molars. * No previous orthodontic treatment. * No history of tooth extraction other than second or third molars. * Availability of complete baseline and end-of-follow-up periodontal parameters and phenotype records suitable for evaluation. * Healthy periodontium with no signs of gingival hypertrophy. * No systemic disease history or medication use that could affect gingival/periodontal conditions. Exclusion Criteria: * Patients planned for orthodontic camouflage treatment with fixed appliances for Class II/Class III correction instead of orthognathic surgery. * History of interproximal enamel reduction (interproximal stripping). * Presence of dental implants. * Age \< 18 years. * Pregnant or breastfeeding individuals. * Any systemic condition contraindicates orthognathic surgery. * Psychiatric disorders. * Syndromic conditions. * History of previous orthognathic surgery. * Refusal to sign the informed consent form. * Individuals belonging to a vulnerable population.

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Conditions

The condition(s) this trial relates to.

gingival recession

As listed by the trial registrant

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

Buccal bone thickness Dental surgery Gingival biotype Gingival phenotype Recession, gingival

How to take part

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

  1. The study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The places running it

    2 sites. The list below names each one and where it is.

  3. 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 ↗

  4. 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

  • Kocaeli Health and Technology University Faculty of Dentistry

    RECRUITING

    Kocaeli, Turkey (Türkiye)

    Contact Email: •••••@•••••

  • Trakya University Faculty of Dentistry

    RECRUITING

    Edirne, Turkey (Türkiye)

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