alexa Abstract | Salivary Stress Biomarkers-Are They Predictors of Academic Assessment Exams Stress?
ISSN: 2247-2452

Oral Health and Dental Management
Open Access

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Research Article Open Access


Purpose: The present study was conducted on undergraduate dental students to asses and compare the levels of salivary stress biomarkers including cortisol, immulnoglobulin-A and α-amylase enzyme during periods of academic assessments and nonassessments and to relate these biomarkers to students' academic performance. Methods: Saliva samples were collected from undergraduate dental students; one before taking a final assessment exam and another during non-assessment period. Salivary stress biomarkers concentrations were obtained using Enzyme-linked Immunosorbent Assay (ELISA). Results: The level of salivary stress biomarkers including s-cortisol, α-amylase, and immulnoglobulin-A significantly increased during periods of assessment exams as compared to non-assessment (p=0,000, 0.001, and 0.003 consecutively). The study found a significant correlation between salivary α-amylase and academic performance especially among male students (p=0.008) and those in their final academic year (p=0.040). Conclusion: We conclude that the stress of academic assessment can markedly increase the level of salivary stress biomarkers. Students who show less academic performance generally depict higher levels of salivary α-amylase, especially male students and those in their final academic year.

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Author(s): Soliman Ouda, Sumer Alaki, Mohammad-Ayman safi, Alaa Nadhreen, Khalid Al-Johani


Alpha-amylases, Cortisol, Salivary biomarkers, Academic stress, Salivary analysis, Oral health

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