Regrowing the tiny fibers that anchor teeth
Sharpey's fibers and PDL regeneration
A 3D-printed bio-inspired patch aims to help adults with severe gum disease regrow the tiny ligament fibers that anchor teeth to bone.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Missouri-Columbia NIH-funded |
| Lab location | 1 site (Columbia, United States) |
| Project ID | NIH-11323101 on NIH RePORTER |
What this research studies
This project is designing a 3D-printed 'periopatch' that mimics the natural structure of the periodontal ligament and its terminal Sharpey’s fibers. The patch combines physical architecture and biochemical signals to guide periodontal ligament stem cells to migrate, grow, and form well-aligned fibers. Researchers will test the patch in laboratory models to see whether it can recreate the organized fiber connections between ligament, bone, and tooth. If the lab results are promising, the approach could move toward development for clinical use to restore tooth attachment.
Who could benefit from this research
Good fit: Adults (21+) with moderate to severe periodontitis and loss of periodontal ligament attachment or tooth looseness would be the ideal candidates.
Not a fit: People with only mild gum inflammation, fully missing teeth at the affected site, or medical conditions that prevent healing (for example uncontrolled diabetes) may not benefit.
Why it matters
Potential benefit: Could help regrow the ligament fibers that securely anchor teeth and reduce tooth loss from periodontitis.
How similar studies have performed: Previous tissue-engineering efforts have not reliably recreated organized Sharpey’s fibers, so this 3D-printed bio-inspired scaffold represents a novel approach building on earlier scaffold and stem-cell research.
Where this research is happening
Columbia, United States
- University of Missouri-Columbia — Columbia, United States (Active)
Researchers
- Principal investigator: Liu, Xiaohua — University of Missouri-Columbia
- Study coordinator: Liu, Xiaohua
About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page below.