Dental prosthesis showdown: rigid vs flexible designs tested for comfort and gum health
NCT ID NCT07682623
First seen Jul 06, 2026 · Last updated Jul 07, 2026 · Updated 1 time
Summary
This study compares two types of digitally made telescopic double crown prostheses—rigid and non-rigid—used to replace missing teeth by connecting to natural teeth and implants. Researchers want to see which design leads to healthier soft tissue around the support teeth and higher patient satisfaction. Ten adults needing such prostheses will try both types in a crossover design, allowing each person to serve as their own comparison.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Digitally fabricated telescopic double crown prosthesis (rigid or non-rigid)
- What this could lead to
- If one design proves better, it could guide dentists toward more comfortable and healthier tooth-replacement options for people missing teeth.
- What could go wrong
- This is a very small crossover study with only 10 participants, so results may not apply to everyone. The findings are preliminary and need confirmation in larger trials.
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 10 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Dec 2026
An estimate. Start dates often move.
- Expected to finish
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May 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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50 to 65 years
- Sex
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Anyone
- Healthy volunteers
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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 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: Patients requiring telescopic overdenture prosthesis. Exclusion Criteria: Patients with systemic conditions affecting periodontal or prosthetic treatment. Patients unable to attend follow-up visits \-
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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.
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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.