NIH-funded research R21 grant

Understanding how Lactobacillus bacteria contribute to tooth decay

Official title: More Than Mechanical Retention: Characterization of Lactobacillus Clinical Strains Using In Vitro Models

Funded at Lsu Health Sciences Center · NIH-10758275 · Data updated 2026-11-12

This study is looking at how different types of Lactobacillus bacteria might contribute to tooth decay, helping us understand how they interact with other bacteria in your mouth, which could lead to better ways to prevent cavities and keep your teeth healthy.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionLsu Health Sciences Center
NIH-funded
Lab location1 site (New Orleans, United States)
Project startJanuary 1, 2023
Project endDecember 31, 2025
Funding year2024
Award (this year)$221,250
NIH project number5R21DE031856-02
Project IDNIH-10758275 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research include individuals with a history of dental caries or those at high risk for developing tooth decay.

Less likely to help

Patients who do not have dental caries or are not at risk for tooth decay may not benefit from this research.

What this research studies

This research investigates the role of different Lactobacillus strains in the development of dental caries, a common infectious disease. By using established laboratory models, the study aims to understand how these bacteria colonize tooth surfaces and interact with other bacteria like Streptococcus mutans. The research will explore the conditions that allow Lactobacillus to thrive and how these interactions affect the overall health of the oral microbiome. The findings could provide valuable insights into preventing tooth decay and improving oral health.

Why it matters

Potential benefit: If successful, this research could lead to new strategies for preventing dental caries and improving oral health.

How similar studies have gone: Previous research has shown promise in understanding the role of oral bacteria in dental health, making this approach both relevant and potentially impactful.

Where this research is happening

  • Lsu Health Sciences Center
    New Orleans, United States
    Active

Researchers

  • Principal investigator: Wen, Zezhang Tom — Lsu Health Sciences Center
  • Study coordinator: Wen, Zezhang Tom

Related research

Other NIH-funded projects on the same topics.

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.