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Lab test reveals best cleaners for High-Tech dentures

NCT ID NCT07672847

Knowledge-focused Sponsor: Menoufia 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 29, 2026 · Last updated Jun 30, 2026 · Updated 1 time

Summary

This laboratory study examines how three common denture disinfectants—sodium hypochlorite, chlorhexidine, and effervescent alkaline peroxide tablets—affect the surface roughness, hardness, and dimensional stability of two modern denture base materials: PMMA and PEEK. Researchers will compare these effects against a control group soaked in distilled water. The goal is to identify which cleaning method best preserves the quality and fit of CAD/CAM milled dentures.

What this could mean

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

Active substance
denture disinfectants (sodium hypochlorite, chlorhexidine, effervescent alkaline peroxide tablet)
What this could lead to
If certain disinfectants prove safe for these materials, it could help denture wearers choose cleaning methods that keep their dentures in good shape longer.
What could go wrong
This is a lab study on material samples, not on real dentures in people's mouths. Results may not reflect everyday use or long-term effects.

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 88 people

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

Started

Jan 2026

Expected to finish

Oct 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.

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

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: * Used prefabricated CAD-CAM blocks (PMMA and PEEK, dental grade) * All specimens milled using standardized CAD-CAM protocols * Materials from same brand, batch and shade per group * All specimens polished to a clinical high gloss standard * Used standardized specimen geometry Exclusion Criteria: * Specimens fabricated using a method other than CAD-CAM milling * Use blocks from different manufacturer, batches or shades within the same test group * Use specimens with fabrication defects (visible porosity, cracks, internal voids) or obvious milling errors (tool chattering marks, incomplete milling) * Specimens with dimensional inaccuracy * Specimens subjected to incorrect immersion time, temp or concentration of disinfectant * Use contaminated, not freshly prepared or expired disinfectant solutions

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As listed by the trial registrant

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

Cad/cam Denture PEEK PMMA Stability

How to take part

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

  1. The places running it

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

  2. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    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

  • Menoufia University

    Shibīn al Kawm, Egypt

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