New denture material could make chewing easier on your gums
NCT ID NCT06871020
First seen Jun 26, 2026 · Last updated Jul 09, 2026 · Updated 2 times
Summary
This study tested two different materials for attachments in partial dentures: a fiber-reinforced composite and a porcelain-fused-to-metal. Twelve people with missing back teeth on both sides of their lower jaw received dentures with one of these attachments. The researchers checked gum health and patient satisfaction over six months to see which material worked better.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- CAD/CAM fiber-reinforced composite resin and porcelain-fused-to-metal extracoronal attachments
- What this could lead to
- If successful, this could show that fiber-reinforced composite attachments are a better option for partial dentures, improving gum health and patient comfort.
- What could go wrong
- This is a very small, completed trial with only 12 participants, so results may not apply to everyone. The study only looked at short-term outcomes (6 months), and long-term benefits or risks are unknown.
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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12 people
The number who actually took part.
- Started
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Jan 2025
- Finished
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Mar 2026
- 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 years and older
- 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: 1. Mandibular partially edentulous bilateral distal extension Kennedy Class I with first premolars as last abutments. 2. The opposing maxillary arch will be dentate. 3. Angle class I maxillomandibular skeletal relation. 4. The distal extension ridge will be well-formed and covered by healthy and firm mucosa. 5. As verified by periapical radiographs, Abutments have healthy periodontal ligaments and an appropriate crown/root ratio (CRR). 6. Crown/root ratio of the premolar abutment teeth is not less than 1:1. 5. 7. The vertical distance between the ridge tissue and the opposing teeth of the study cases is not less than 7 mm. 6. 8. The buccolingual dimension of the abutment teeth is not less than 6 mm. Exclusion Criteria: 1. Patients with any systemic disease that could affect the rate of bone resorption, which was confirmed by obtaining a through medical history. 2. Patients with parafunctional habits (bruxism and clenching). 3. Patients with any septic foci or impacted teeth as proved by panoramic radiograph, as well as patients with tilted or rotated abutments or soft tissue undercuts in areas that will be involved in the RDP design. 4. Patients with any TMJ problems. 5. Patients with any neuromuscular diseases.
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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 Ain Shams University
Cairo, 12345, Egypt