Evidence supporting the use of: Lactobacillus (unspecified)
For the health condition: Oral Surgery

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Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Lactobacillus species, as probiotics, have scientific support for their use in the context of oral surgery, particularly for reducing the risk of postoperative infections and promoting oral health. Several clinical studies and systematic reviews suggest that certain Lactobacillus strains may help decrease the incidence of postoperative complications such as alveolar osteitis ("dry socket") and infections following dental extractions or other oral surgical procedures. The proposed mechanisms include competitive inhibition of pathogenic bacteria, modulation of local immune responses, and enhancement of mucosal healing. For instance, randomized controlled trials have shown that probiotic lozenges or rinses containing Lactobacillus can reduce pathogenic bacterial counts in the oral cavity and support a healthier oral microbiome during the healing phase after surgery.

However, the quality and quantity of evidence vary, with most studies focusing on specific strains (e.g., Lactobacillus reuteri, Lactobacillus rhamnosus) rather than unspecified Lactobacillus. Systematic reviews (e.g., Gruner et al., 2016, "Probiotics for managing caries and periodontitis: Systematic review and meta-analysis") and several recent clinical trials do indicate potential benefits, but the overall strength of evidence is moderate due to heterogeneity in study design, small sample sizes, and variability in outcome measures. Large-scale, high-quality randomized controlled trials are still needed for definitive recommendations, especially for unspecified Lactobacillus preparations.

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