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Tooth restoration showdown: which inlay lasts longer?

NCT ID NCT07265609

Disease control Sponsor: Mansoura 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested two different materials used to fix cavities in back teeth: a CAD/CAM composite and a polymer-infiltrated ceramic. Twelve adults with two decayed molars each received both types of inlays and were followed for two years. Researchers checked how well each material looked, worked, and held up using standard dental criteria.

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

12 people

The number who actually took part.

Started

Aug 2023

Finished

Aug 2025

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

18 to 45 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: 1. The presence of two molars with compound proximal carious lesions or defective restorations involving two surfaces (occluso-mesial or occluso-distal cavities) corresponding to Black's Class II, with a severity score of 4 or 5 according to the International Caries Detection and Assessment System (ICDAS) 2. The buccolingual width of lesions should exceed two-thirds of the intercuspal distance. 3. The teeth were required to be vital and free from any periapical radiolucency. 4. The teeth were required to be in normal alignment, in contact with sound adjacent teeth, and have antagonist teeth present in normal occlusion. Exclusion Criteria: 1. The presence of uncontrolled systemic disease, pregnancy or breastfeeding. 2. Patients with extremely poor oral hygiene, active periodontal disease, or those involving in orthodontic treatment or periodontal surgery. 3. Patients with wear facets and parafunctional habits as clinching and bruxism. 4. Hypersensitive, endodontically treated, non-vital or cracked teeth. 5. Teeth with proximal cavities involving more than two surfaces, those that exhibited pulp exposure during caries excavation and required direct pulp capping, or those with missing cusps necessitating cusp capping. 6. Teeth without proximal contact, missing neighbouring or opposing teeth 7. Patients with known unavailability to attend recall visits, or with known allergy to any component of the study materials.

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Conditions

The condition(s) this trial relates to.

dental caries

As listed by the trial registrant

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

Dental restoration failure

Contacts and locations

Locations

  • Faculty of Dentistry, Mansoura University

    Al Mansurah, Dakahliya, 35516, Egypt

More trials for these conditions

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