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Jawbone clues could help surgeons dodge a hidden nerve

NCT ID NCT07752914

Knowledge-focused Sponsor: Recep Tayyip Erdogan University Training and Research Hospital Source: ClinicalTrials.gov ↗

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 07, 2026 · Last updated Aug 07, 2026

Summary

This study investigates whether certain jawbone measurements, taken from CT scans, can predict the presence of a small nerve canal in the lower jaw. Researchers will compare CT images from adults who have this canal on one side of their jaw, looking at the size of the main jaw canal, the mental foramen, and the depth of a nearby bony area. The goal is to identify radiographic features that could help surgeons plan procedures and avoid damaging this nerve.

What this could mean

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

What this could lead to
If certain jawbone measurements reliably predict this nerve canal, it could help surgeons avoid nerve damage during dental and jaw operations.
What could go wrong
This is an observational study, so it can only show links, not cause and effect. The findings may not apply to everyone, and the predictive value could be limited.

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 210 people

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

Expected to start

Aug 2026

An estimate. Start dates often move.

Expected to finish

Sep 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.

Who is studied

The study population will consist of adults aged 18 to 75 years with previously acquired diagnostic cone-beam computed tomography (CBCT) images archived in the Department of Oral and Maxillofacial Radiology at Recep Tayyip Erdoğan University Faculty of Dentistry. Only individuals with a unilateral mandibular lateral lingual canal (MLLC) identified on CBCT images and meeting the eligibility criteria will be included.

Ages

18 to 75 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 * Individuals aged 18 to 75 years. * Availability of previously acquired cone-beam computed tomography (CBCT) images obtained for diagnostic purposes. * Presence of a unilateral mandibular lateral lingual canal (MLLC) on CBCT images. * CBCT images of sufficient diagnostic quality to evaluate the location, diameter, and course of the MLLC. * Both mandibular sides included in the same CBCT examination, allowing comparison between the side with the MLLC and the contralateral side. * Absence of significant motion artifacts, metal artifacts, or reconstruction errors in the regions to be measured. Exclusion Criteria * CBCT images of insufficient quality for morphometric measurement or anatomical assessment. * Inability to clearly identify the mandibular canal, mental foramen, MLLC, or sublingual fossa boundaries. * Presence of bilateral mandibular lateral lingual canals. * History of surgery, trauma, fracture, resection, bone grafting, or implant placement in the mandibular region under evaluation. * Motion or metal artifacts that prevent reliable visualization or measurement of the anatomical structures. * History of systemic disease or syndrome affecting craniofacial or mandibular development. * Presence of cystic or tumoral lesions, exostoses, or other pathological changes affecting the region of interest. * History of orthodontic treatment affecting the region evaluated.

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As listed by the trial registrant

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

CBCT segmentation Mandible Mandibular canal visibility

How to take part

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