Dental implants may improve diabetes control, new trial suggests
NCT ID NCT07666529
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 2 times
Summary
This study tests whether replacing missing back teeth with dental implants can help people with uncontrolled type 2 diabetes improve their blood sugar levels. The idea is that better chewing leads to healthier eating, which may lower HbA1c. 140 adults will either get implants plus standard diabetes care or standard care alone, and be followed for 9 months.
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-supported crowns
- What this could lead to
- If it works, this could point toward a simple dental procedure to help people with type 2 diabetes better manage their blood sugar.
- What could go wrong
- This is an early-stage trial with only 140 participants. The effect on blood sugar may be small or none, and results may not apply to everyone with diabetes.
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 140 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Nov 2026
An estimate. Start dates often move.
- Expected to finish
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Aug 2030
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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18 to 75 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: * Adults aged between 18 and 75 years * Type 2 diabetes diagnosed for more than 6 months, according to the diagnostic criteria of the International Diabetes Federation * Insufficiently controlled type 2 diabetes (HbA1c between 7.5% and 10.5%) * Type 2 diabetes under stable treatment for at least 3 months (no initiation or discontinuation of antidiabetic treatments, and no change in basal insulin dose greater than ±50% compared with the initial dose) * Presence of all teeth up to the second premolars, i.e. presence of maxillary and mandibular incisors, canines and premolars. The absence of premolars extracted for orthodontic reasons or due to agenesis is not taken into account. Teeth replaced by fixed tooth- or implant-supported prostheses are considered present. * Absence of functional molar pairs not compensated by a partial prosthesis, or presence of only one functional molar pair. The absence of a pair may be due to the absence of both molars or only one molar (molar without an antagonist). Third molars are not taken into account. Exclusion Criteria: * Recent diabetes (\< 6 months), intensified insulin therapy (≥ 3 injections/day) or insulin pump use * Type 1 diabetes * Type 2 diabetes with HbA1c \> 10.5% * Comorbidities contraindicating part of the oral rehabilitation (particularly implant placement) or impacting masticatory efficiency, such as end-stage renal disease or stroke within the past 6 months * Smoking \>10 cigarettes/day * Presence of severe crestal defects, insufficient prosthetic space, malocclusions and/or parafunctions contraindicating part of the oral rehabilitation * Severe periodontitis (Stage III or IV, Grade C) * Cancerous or precancerous lesions of the oral mucosa * Allergy to anesthetics or antibiotics required for dental surgery * Pregnant or breastfeeding woman * Participation in another interventional study involving human participants or being within the exclusion period following a previous study involving human participants, where applicable * No affiliation to a social security scheme * Patient benefiting from State Medical Aid (AME) * Individual deprived of liberty or under legal protection measures * Refusal or inability to provide written informed consent
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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
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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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