Screw count showdown: does one less screw save jawbone?
NCT ID NCT07360015
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether using 3 screws instead of 4 to attach a full lower-jaw dental bridge affects bone loss around the implants. Fourteen men with no teeth in their lower jaw and no major health issues are being followed with X-rays over time. The goal is to see if fewer screws can still keep the bone healthy.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- OT Equator abutments with 3 or 4 screws
- What this could lead to
- If this trial succeeds, it could help dentists choose the best number of screws to minimize bone loss around dental implants.
- What could go wrong
- This is a very small study (14 men) and only measures bone changes on X-rays. It may not apply to women or people with health conditions.
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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.
Contacts and locations
Locations
-
Faculty of Oral and Dental Medicine - Egyptian Russian University
Cairo, 11829, Egypt
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