Novel strategies for preventing dysbiosis in the oral cavity

Mariana B. Rebelo, Cláudia S. Oliveira, Freni K. Tavaria*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

2 Citations (Scopus)
9 Downloads

Abstract

Oral diseases affect over three billion people worldwide, making it one of the most common infections. Recent studies show that one approach to reducing the risk of chronic infections, such as caries, gingivitis, periodontitis, and halitosis, is to control the ecology of the oral microbiome instead of completely removing both the harmful and beneficial microorganisms. This is based on the knowledge that oral diseases are not caused by a single pathogen but rather by a shift in the homeostasis of the entire microbiota, a process known as dysbiosis. Consequently, it is of the utmost importance to implement strategies that are able to prevent and control oral dysbiosis to avoid serious complications, including heart, lung, and other systemic diseases. Conventional treatments include the use of antibiotics, which further disrupt the equilibrium in the oral microbiota, together with the mechanical removal of the decayed cavity area following its formation. Therefore, it is imperative to implement alternative strategies with the potential to overcome the disadvantages of the current therapy, namely, the use of broad-spectrum antibiotics. In this sense, probiotics and postbiotics have received particular attention since they can modulate the oral microbiota and decrease the dysbiotic rate in the oral cavity. However, their mechanisms of action need to be addressed to clarify and drive their possible applications as preventive strategies. In this sense, this review provides an overview of the potential of probiotics and postbiotics, focusing on their antimicrobial and antibiofilm activities as well as their ability to modulate the inflammatory response. Finally, it also showcases the main advantages and disadvantages of orodispersible films-a promising delivery mechanism for both probiotics and postbiotics to target oral dysbiosis.

Original languageEnglish
Article numberfbe1504023
Number of pages17
JournalFrontiers in Bioscience - Elite
Volume15
Issue number4
DOIs
Publication statusPublished - 16 Oct 2023

Keywords

  • Lactobacillus spp.
  • Streptococcus mutans
  • Oral dysbiosis
  • Oral health
  • Orodispersible films
  • Postbiotics
  • Probiotics

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