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Jaw notch may hold key to better-fitting dentures

NCT ID NCT04694196

Knowledge-focused Sponsor: Hama University Source: ClinicalTrials.gov ↗

What the study statuses mean

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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
Running, but no longer taking on new participants.
Completed This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study tested whether a specific spot on the jawbone, called the coronoid notch, can be used as a guide to set the occlusal (bite) plane for dentures. Forty adults with natural teeth and a normal bite had their occlusal plane measured relative to this notch. The goal is to find a stable landmark that helps dentists make dentures that fit better and work well.

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 successful, this could give dentists a reliable way to set the bite plane for dentures, improving comfort and function.
What could go wrong
This is a small, early study in people with natural teeth, not denture wearers. Results may not apply to edentulous patients or general practice.

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

40 people

The number who actually took part.

Started

Sep 2021

Finished

Dec 2021

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 27 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 : * Stable systemic health, including absence of a history of cardiovascular disease * No evidence of infection or trauma in oral region * Negative history of TMJ disorders * All subjects had natural maxillary and mandibular All subjects exhibited Class I skeletal and dental relationships with no prosthetic dental replacement. Exclusion Criteria: Subjects with Claa II or Class III relationships,fractured or abraded edges of the teeth,ankyloglossia and orthodontic treatment were excluded from the study.

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As listed by the trial registrant

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Contacts and locations

Locations

  • Fadi Jnaid

    Damascus, Rif-dimashq Governorate, Syria