Abstract
Objectives Asymptomatic apical periodontitis (AAP) is one of the most widespread chronic inflammatory
diseases in the field of dental medicine. Active matrix metalloproteinase (aMMP-8)
previously demonstrated diagnostic potential as a biomarker for AAP in gingival crevicular
fluid (GCF). The aim of this study was to determine the levels and diagnostic accuracy
of aMMP-8 in GCF from teeth with AAP.
Materials and Methods In this cross-sectional study, GCF samples were obtained from teeth with AAP (sample
group, n = 31) and their contralateral teeth (control group, n = 31). Clinical and cone beam computed tomography (CBCT) parameters were used for
the diagnosis and assessment of AAP and the determination of clinically healthy marginal
periodontal tissues. One pool GCF sample per tooth was obtained from the whole crevice’s
perimeter. aMMP-8 levels were determined by enzyme-linked immunosorbent assay (ELISA).
Statistical Analysis Wilcoxon signed ranks test and Spearman rank correlation coefficient (rs) were used
as statistical tools. The significance level was set at p < .05.
Results The two groups demonstrated biomarker levels corresponding to a healthy marginal
periodontal tissue. aMMP-8 levels were statistically and significantly higher in the
samples collected from teeth with AAP. Lesions with greater volume showed correspondingly
larger diameters. No statistically significant correlation between aMMP-8 levels and
lesions’ volume or diameter was discovered.
Conclusion GCF composition is modified by AAP only to a minimal extent. Further research is
needed to substantiate the utilization of aMMP-8 as a potential biomarker for the
diagnosis of the disease as well as to explore its relationship with other biomarkers.
Keywords
asymptomatic apical periodontitis - gingival crevicular fluid - aMMP-8 - enzyme linked
immunosorbent assay