1. Introduction to Biomarkers in Dentistry2. Biochemical analysis of Oral Fluid for disease detection3. Salivary Biomarkers for dental caries4. Salivary Biomarkers for Periodontal Diseases5. Salivary Biomarkers for Oral Cancer6. Salivary Biomarkers for Down Syndrome7. Salivary Exosomes/Saliva Exosomics8. Saliva as Liquid Biopsy9. Gingival Crevicular Fluid (GCF) as diagnostic fluid for periodontal disease detection10. Periimplant fluid and Periimplantitis11. Oral Soft Tissues for detecting Oral Diseases12. Hard tissue for detecting oral Diseases13. Future of Oral Biosensors14. Point-of-Care (POC) Technology in Dentistry