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Momeni F, Nakhostin A, Bayani M. Comparison of Salivary and Gingival Crevicular Fluid Periostin Levels in Chronic Periodontitis Patients and Healthy Subjects. J Arak Uni Med Sci 2020; 23 (1) :72-81
URL: http://jams.arakmu.ac.ir/article-1-6135-en.html

Background and Aim: Periostin acts as necessary protein in tissue development and has a key role in tooth-supporting tissues such as periodontal ligament. The effect of inflammation on reducing periostin level has been shown in some studies. The aim of this study was to compare the salivary and Gingival Crevicular Fluid (GCF) periostin levels in patients with chronic periodontitis and healthy peers.
Methods & Materials: In this matched case-control study, 106 participants (53 patients with chronic periodontitis and 53 healthy controls) were studies after signing a informed consent form. They were matched for age, gender, weight, and Body Mass Index (BMI). The GCF and salivary samples were collected from all participants and were assessed using standard Enzyme-Linked Immunosorbent Assay (ELISA). The statistical analysis was conducted in Stata V. 11.
Ethical Considerations: This study was approved by the Research Ethics Committee of Arak University of Medical Sciences (Code: IR.ARAKMU.REC.1397.34).
Results: The salivary and GCF periostin levels was significantly lower in patients than in healthy subjects (P<0.001). Moreover, the periostin levels was significantly different based on periodontal parameters (P<0.001).
Conclusion: There is association between the incidence of chronic periodontitis and salivary and GCF periostin levels. Hence, the periostin may act as a potential biomarker for the diagnosis  of chronic periodontitis and prevention of its progression.