Junk food may be rotting your mouth, new study warns
NCT ID NCT07427095
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This observational study looks at whether eating lots of ultra-processed foods (like chips, soda, and packaged snacks) is linked to cavities and gum disease. Researchers will track the diets and oral health of 200 adults aged 18 to 65. No treatments or changes are given—just careful measurement to see if a connection exists.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 200 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Apr 2026
An estimate. Start dates often move.
- Expected to finish
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Oct 2026
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.
Who is studied
Patients coming to the Periodontology Clinic of Recep Tayyip Erdoğan University Faculty of Dentistry for routine treatment
- Ages
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18 to 65 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: * Individuals between the ages of 18 and 65, * Individuals with at least 20 teeth, * Not having received periodontal treatment in the last 6 months, * Not having taken antibiotics, steroids, and/or nonsteroidal anti-inflammatory drugs in the last 3 weeks, * Not having any autoimmune disease, osteoporosis, or cancer, * Not using immunosuppressive drugs, oral contraceptives, or bisphosphonates, * Not being pregnant, * Not having an active infectious disease (acute hepatitis, tuberculosis, AIDS), * Not using chronic medications that affect periodontal tissues (cyclosporine A, Phenytoin), * Not having taken antioxidant supplements in the last 6 months. Exclusion Criteria: * Patients with endocrine or genetic disorders such as hypothyroidism, type 1 diabetes mellitus, or Cushing's syndrome * Patients with active infectious disease * Patients taking medications that may affect periodontal tissues * Patients who have recently taken antibiotics (within 4 months) * Patients with alcohol/drug use * Patients with psychological disorders * Patients with eating disorders, dementia * Patients who are pregnant or breastfeeding * Patients with any food allergies * Patients who do not sign the informed consent form
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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
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.
Contacts and locations
Locations
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Department of Periodontology of the Faculty of Dentistry of Recep Tayyip Erdogan University
Rize, Rize Province, 53200, Turkey (Türkiye)
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