What does this research mean for the field?

Saliva-based liquid biopsy is a highly promising, non-invasive diagnostic tool capable of detecting diverse oral and systemic diseases through multi-omic analysis, though widespread clinical adoption requires further standardization and validation. Novelty: ClaimNovelty.SYNTHESIS. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To evaluate the biological basis, multi-omic diagnostic capabilities, technological advancements, and clinical translation challenges of saliva-based liquid biopsies for oral and systemic conditions.

August 27, 2026Journal of Periodontal ResearchOpen Access

Saliva Liquid Biopsy for Detection of Oral and Systemic Diseases

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To evaluate the biological basis, multi-omic diagnostic capabilities, technological advancements, and clinical translation challenges of saliva-based liquid biopsies for oral and systemic conditions.
Synthesized molecular evidence on salivary analytes, including cell-free DNA, extracellular RNA, metabolites, proteins, and microbiome signatures.
Assessed technological platforms including high-throughput sequencing, mass spectrometry, point-of-care microfluidics, and artificial intelligence-driven data integration across diverse disease models.
Salivary analytes effectively capture dynamic disease processes spanning oral conditions (periodontitis, dental caries, head and neck cancers) and systemic diseases (cancers, cardiometabolic, autoimmune, endocrine, and neurodegenerative disorders).
Extracellular vesicle-encapsulated RNA, cfDNA fragmentomics, and methylation profiling expand diagnostic capability and sensitivity beyond conventional protein biomarkers.
Widespread clinical implementation remains limited by biological variability, microbiome interactions, lack of pre-analytical standardization, and the need for large-scale clinical utility trials.

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Implication

Review highlights multi-omic saliva liquid biopsy applications across oral and systemic pathologies, indicating potential for minimally invasive precision diagnostics.

Cite This Study

Choi et al. (2026) studied this question.

synapsesocial.com/papers/6a8fe99e10c91c1e9262157f https://doi.org/10.1111/jre.70152

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Implication

Review highlights multi-omic saliva liquid biopsy applications across oral and systemic pathologies, indicating potential for minimally invasive precision diagnostics.

Saliva Liquid Biopsy for Detection of Oral and Systemic Diseases

Key Points

Discussion

Implication

Cite This Study

Saliva Liquid Biopsy for Detection of Oral and Systemic Diseases

Key Points

Discussion

Implication

Cite This Study

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