Denture cap showdown: which material saves more bone?
NCT ID NCT07666763
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study will compare two materials used for the caps that attach dentures to dental implants: acetal resin and nylon. The goal is to see which one causes less bone loss around the implants and keeps gums healthier. Twenty-two people with no teeth in their lower jaw will be enrolled.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Acetal resin cap or nylon elastic cap (dental device)
- What this could lead to
- If one material works better, it could help reduce bone loss and improve gum health for people with implant-supported dentures.
- What could go wrong
- This is a very small, early-stage trial with only 22 people. Results may not apply to everyone, and the difference between materials might be small.
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
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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
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About 22 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Jul 2026
An estimate. Start dates often move.
- Expected to finish
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Aug 2027
An estimate. End dates often move.
- Lead sponsor
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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
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40 to 60 years
- Sex
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Male participants only
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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: * Completely edentulous mandible. * Sufficient bone height/width in mandibular residual ridges. * Angles classification class I. * Sufficient inter-arch distance Exclusion Criteria: * TMJ disorders. * Diabetic * Hypertensive * Cancer patients. * Smoker * Osteoporosis. * Immunosuppressive disease * Any disease affecting bone/implant stability.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
-
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.
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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.
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