Screw count showdown: does one less screw save jawbone?
NCT ID NCT07360015
First seen Jan 23, 2026 · Last updated Jun 23, 2026 · Updated 19 times
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.
Disclaimer
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the original study
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Locations
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Faculty of Oral and Dental Medicine - Egyptian Russian University
Cairo, 11829, Egypt
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.
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.