Lactobacillus reuteri and Oral Health
Lactobacillus reuteri has been studied in periodontal settings, most often as an adjunct to conventional nonsurgical treatment.
Key takeaways
- Evidence is specific to strains and protocols.
- Some periodontal trials report additional improvements; others are less convincing.
- Do not use strain research as proof for every product containing the species.
Why researchers study it
L. reuteri has probiotic properties that make it a candidate for modulating oral biofilm and host responses. Clinical studies have commonly delivered it in lozenges alongside periodontal care.
What reviews conclude
A 2024 systematic review of chronic periodontitis trials found possible additional benefit in periodontal parameters when L. reuteri was added to scaling and root planing, but also reported risk-of-bias concerns and inconsistent findings across studies.
Connection to ProDentim
ProDentim’s seller lists L. reuteri as one component of the formula. That is relevant for ingredient research, but DentalBiome does not assume the marketed blend matches the exact strains, doses or protocols used in periodontal trials unless documentation establishes that match.
Sources & evidence
- 2024 systematic review of L. reuteri as an adjunct in chronic periodontitis
- ProDentim official product presentation