Disease Markers

Disease Markers / 2012 / Article

Open Access

Volume 32 |Article ID 215430 | 8 pages | https://doi.org/10.3233/DMA-2011-0876

Increased Salivary Levels of 8-Hydroxydeoxyguanosine May Be a Marker for Disease Activity for Periodontitis

Received23 Feb 2012
Accepted23 Feb 2012

Abstract

Background: 8-hydroxydeoxyguanosine (8-OHdG) is commonly used as a marker to evaluate oxidative DNA damage in disorders including chronic inflammatory diseases such as inflammatory periodontal pathologies. In the current study we hypothesized that the level of 8-OHdG in saliva increases by the periodontal destruction severity determined by clinical parameters as clinical attachment level (CAL).Materials and methods: A cross-sectional study was conducted on a sum of 60 age gender balanced; chronic periodontitis (CP) (n = 20), chronic gingivitis (CG) (n = 20) and healthy (H) (n = 20) individuals. Clinical periodontal parameters and salivary 8-OHdG levels were evaluated.Results: The mean 8-OHdG level in the saliva of the CP group was significantly higher than H and CG groups (p < 0.001). Statistically significant correlation was only observed between the salivary levels of 8-OHdG and age (p < 0.05), probing depth (PD) and CAL (p < 0.001) in CP group. However, when CP patients were classified according to their CAL levels (CAL≥ 3 mm (n = 11) and CAL<3 mm (n = 9)) statistically significant correlation was only observed between the salivary levels of 8-OHdG and CAL≥ 3 mm patients (p < 0.001).Conclusion: We suggest that elevated salivary levels of 8-OHdG may be a marker for disease activity and it may reflect indirectly disease severity parameters such as CAL.

Copyright © 2012 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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