Student vs. trainee fillings: which last longer in kids?
NCT ID NCT07375706
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at 200 dental fillings placed in children aged 6 to 13 by undergraduate students and postgraduate trainees. Researchers reviewed dental records and rated the fillings using standard criteria for appearance, function, and health. The goal was to see if the operator's experience level affects how long fillings last.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If successful, this study could help improve dental training by showing which skill levels produce longer-lasting fillings in children.
- What could go wrong
- This is a retrospective observational study, not a controlled trial, so it cannot prove cause and effect. Results may not apply to other clinics or patient groups.
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.
- Participants
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200 people
The number who actually took part.
- Started
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Jun 2024
- Finished
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Feb 2025
- 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
The study population consisted of children aged 6 to 13 years who received posterior resin composite restorations on primary or permanent molar teeth at a university-based pediatric dentistry clinic. All included restorations were placed by undergraduate dental students or postgraduate specialty trainees as part of routine clinical care. Patients were identified retrospectively through institutional dental records, and only cases with sufficient clinical documentation and a minimum follow-up period of three months were included for evaluation.
- Ages
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6 to 13 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Children aged 6 to 13 years at the time of treatment * Patients who received posterior resin composite restorations on primary or permanent first or second molars * Restorations placed by undergraduate dental students or postgraduate specialty trainees in the Department of Pediatric Dentistry * Restorations with a minimum follow-up period of 3 months * Availability of complete clinical records allowing retrospective evaluation Exclusion Criteria: * Restorations placed by clinicians outside the undergraduate or postgraduate trainee groups * Restorations performed using materials other than resin composite * Restorations placed on teeth other than posterior molars * Restorations with a follow-up duration shorter than 3 months * Incomplete or missing clinical records preventing standardized evaluation
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Bezmialem Vakıf University
Istanbul, Fatih, 34093, Turkey (Türkiye)
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