Milled dental caps beat 3D-Printed for healthier gums, study finds
NCT ID NCT07287722
First seen Jun 27, 2026 ยท Last updated Jun 27, 2026
Summary
This study tested two types of temporary healing caps for dental implants: one milled from a solid block and one 3D-printed. In 22 adults, the milled caps caused less gum inflammation and bleeding over 4 weeks, likely due to their smoother surface. The findings help dentists choose the best option for early healing around implants.
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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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22 people
The number who actually took part.
- Started
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Nov 2025
- Expected to finish
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Dec 2025
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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25 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: * Adults aged 25 to 65 years * Presence of one osseointegrated dental implant placed at least 8 weeks prior to second-stage surgery * Adequate zone of attached keratinized gingiva (\> 1 mm) around the implant site * Good general health and able to provide informed consent * Willing and able to attend all follow-up visits (1, 2, and 4 weeks) Exclusion Criteria: * Smoking more than 20 cigarettes per day * Presence of systemic diseases that may affect healing (e.g., autoimmune conditions, uncontrolled diabetes, immunosuppressive disorders) * Oral inflammatory conditions or active oral infections * History of head and neck radiation therapy or chemotherapy * Use of corticosteroids or antibiotics within the last 3 months * Parafunctional habits (e.g., bruxism) * Pregnant or breastfeeding individuals * Implants with insufficient attached gingiva or poor oral hygiene maintenance
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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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Faculty of Dentistry, Alexandria University
Alexandria, 21526, Egypt
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