Why under-the-tongue buprenorphine may harm teeth
Official title: Elucidating High Oral Fluid Exposure Mechanisms of Buprenorphine to Reduce Dental Caries
Funded at University of Houston · NIH-11354393 · Data updated 2026-11-12
This project looks at how buprenorphine taken under the tongue may cause tooth damage in people treated for opioid use disorder.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Houston NIH-funded |
| Lab location | 1 site (Houston, United States) |
| Project start | September 21, 2023 |
| Project end | September 20, 2028 |
| Funding year | 2025 |
| Award (this year) | $710,155 |
| NIH project number | 4R01DE033321-02 |
| Project ID | NIH-11354393 on NIH RePORTER |
Who could benefit from this research
✓Could help
Ideal candidates would be people currently taking or who have recently taken sublingual buprenorphine, especially those with new or worsening dental problems.
✕Less likely to help
People who do not use sublingual buprenorphine or whose dental issues have clear non-drug causes may not benefit from this work.
What this research studies
If you take buprenorphine under the tongue, researchers will study how high drug levels in saliva interact with teeth and oral tissues. The team will measure buprenorphine concentrations in oral fluids, use lab and animal models to track how the drug distributes in the mouth, and examine direct effects on tooth structure. They will also test possible ways to block or reduce the tooth-damaging effects so future treatments could be safer.
Why it matters
Potential benefit: If successful, this work could lead to ways to prevent or reduce tooth damage for people using sublingual buprenorphine.
How similar studies have gone: Reports and an FDA warning have documented tooth problems with buprenorphine use, but the specific biological mechanisms are not well understood and this approach is relatively novel.
Where this research is happening
-
University of Houston
Houston, United States Active
Researchers
- Principal investigator: Hu, Ming — University of Houston
- Study coordinator: Hu, Ming
Related research
Other NIH-funded projects on the same topics.
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Understanding how buprenorphine in the mouth could affect dental health
This NIH grant investigates why buprenorphine, taken for opioid use disorder, may harm teeth and how to prevent it for people using this treatment.
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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.