Evidence supporting the use of: Lysozyme
For the body system: Teeth

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Table of Contents

Synopsis

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

Lysozyme is an enzyme that is naturally present in human saliva, tears, and other body fluids, where it plays a crucial role in the innate immune system by breaking down the cell walls of certain bacteria. Its antibacterial properties have led to its use in oral care products such as toothpaste and mouthwashes, aimed at supporting oral hygiene and, by extension, the health of the teeth and surrounding tissues. Scientific studies indicate that lysozyme can help reduce oral bacterial load, inhibit the growth of cariogenic (cavity-causing) bacteria, and potentially contribute to the prevention of dental caries and periodontal disease. For example, a study published in the Journal of Oral Science (2001) demonstrated lysozyme's efficacy in reducing oral Streptococcus mutans, a major contributor to tooth decay. Additionally, clinical research has explored its role in managing halitosis (bad breath) and maintaining a balanced oral microbiome. However, while laboratory and some clinical evidence support lysozyme's antimicrobial effects in the oral cavity, there is limited direct evidence linking its use to significant long-term improvements in dental health outcomes in the general population. As such, lysozyme is considered a scientifically supported adjunct for oral hygiene rather than a standalone treatment for dental diseases.

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