Dental crown shape may save your gums and bone
NCT ID NCT06185075
First seen Jun 25, 2026 · Last updated Aug 13, 2026 · Updated 3 times
Summary
This study looks at how the part of a dental crown that sits under the gums is shaped and whether that shape helps keep gums and bone healthy. Thirty people with gum disease who already have a dental implant will get a custom crown. Researchers will measure bone loss, gum thickness, and gum height over time.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- dental implant crown
- What this could lead to
- If successful, this could help dentists design crowns that better preserve gum and bone health around dental implants.
- What could go wrong
- This is a small, early-stage study with only 30 participants, so results may not apply to everyone. The shape change may not lead to noticeable improvements.
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 30 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Nov 2023
- Expected to finish
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Jan 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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20 to 80 years
- Sex
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Anyone
- 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 * Be a current participant of HUM00208140 main study * Have a dental implant that is ready to be restored (placed at least 3 months ago and healing is adequate) Exclusion Criteria: • The dental implant crown was already delivered.
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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 places running it
1 site. The list below names each one and where it is.
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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.
Contacts and locations
Locations
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University of Michigan School of Dentistry
Ann Arbor, Michigan, 48109, United States
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Other studies related to the condition(s) this trial covers.
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