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International Poster Journal of Dentistry and Oral Medicine
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Int Poster J Dent Oral Med 20 (2018), No. 3     15. Sep. 2018
Int Poster J Dent Oral Med 20 (2018), No. 3  (15.09.2018)

Poster 1230, Language: English


Effect of Psychological Stress as a Risk Factor for Periodontitis
Shaban, Hala A. / Hoffmann, Thomas / Noack, Barbara
Background & Aim: Epidemiological studies regarding associations between psychological stress and periodontitis have reported inconsistent results. The current study aimed to review data on the potential association between psychological stress and periodontitis and a meta-analysis quantified the results of available studies on stress and risk of periodontitis.
Methods: In advance, a search protocol was developed. Three databases, PubMed/Medline, Cochrane Library, and Web of Science, were searched for studies published from 1996 until June 2017 according to the PECO search strategy: adults (population P); psychological stress (exposure (E); patients with and without psychological stress (comparison C); periodontitis (outcome O). Study selection was conducted by two independent reviewers (HS and BN). Risk of bias analysis was performed using the modified Newcastle-Ottawa scale. Meta-analysis was performed on the selected studies, and odd ratios (OR) with 95 % confidence intervals (CI) were calculated.
Results: The primary search retrieved 218 studies. After applying inclusion and exclusion criteria, 26 observational studies (10 case control and 16 cross sectional studies) were included in the final analysis for data extraction and quality assessment (Fig.1). 14 studies reported an association between psychological stress and periodontitis, whereas 10 studies did not. For the remaining two studies, the association was only significant regarding certain types of stress. The risk of bias was medium to low in most studies. Meta-analysis was performed for the presence /absence of periodontitis (dichotomous) on 8 case-control and cross-sectional studies. A random effects meta-analysis showed that the presence of stress is significantly associated with the risk of periodontitis (pooled OR 2. 84; 95% CI: 1.76; 4.57). However, there was significant heterogeneity across studies (P value for chi2 test was 0.0003; I2 = 74 %) that may be explained by one study. By excluding that study, the pooled OR remained significant (2.13; 95 % CI: 1.77; 2.56), and heterogeneity decreased dramatically (I2 = 0%).
Conclusion: The systematic review and meta-analysis showed an increased risk of periodontitis in subjects exposed to psychological stress. However, the different parameters in assessing periodontitis and stress were the main drawback in this analysis. Further well-designed longitudinal studies and standard parameters are necessary to confirm the role of stress as a risk factor for periodontitis.

Keywords: psychological stress, mental stress, periodontitis

Conference/Exhibition:
europerio9
20.-23. June 2018
Amsterdam, Holland