New gum fix: could a collagen patch replace the need for a second surgery?
NCT ID NCT03675334
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tested a porcine collagen matrix (Mucoderm) against the standard connective tissue graft for covering exposed tooth roots due to gum recession. Eighteen adults with gum recession on both sides of the mouth received one treatment on each side. The goal was to see if the collagen matrix could work as well as the graft, while avoiding the need for a second surgical site.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
porcine collagen matrix (Mucoderm)
What this could lead to
If successful, this could offer a simpler treatment for gum recession that avoids the need for a second surgical site to harvest tissue.
What could go wrong
This is a small, completed study with only 18 participants, so results may not apply to everyone. The collagen matrix may not work as well as the standard graft in all cases.
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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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
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Locations
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School of Dentistry of Ribeirao Preto - University of Sao Paulo
Ribeirão Preto, São Paulo, Brazil