ArticleClinical and experimental dental research2025
Let-7e as Potential Diagnostic Biomarkers in Early Detection of Peri-Implant Diseases: A Cross-Sectional Study.
Article in Clinical and experimental dental research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectivesPeri-implant diseases (PID), specifically peri-implant mucositis and peri-implantitis, significantly jeopardize dental implant success. Traditional diagnostic methods, relying on periodontal probing and radiographs, have limitations in precisely diagnosing these conditions. Recent studies suggest that microRNA (miRNA) profiling might be a breakthrough in the early detection of PID. This study aimed to evaluate the expression levels of specific miRNAs-miR-98, miR-145, miR-146a, and let-7e-in individuals with peri-implant mucositis and peri-implantitis compared to a healthy control.
methodsFrom January 2022 to October 2023, 19 participants with 38 dental implants were recruited according to established criteria. After clinical and radiographic evaluations, dental implants were grouped as peri-implant health (Group 1), peri-implant mucositis (Group 2), and peri-implantitis (Group 3). Subsequently, peri-implant crevicular fluid (PICF) samples were collected and analyzed through real-time quantitative polymerase chain reaction (qPCR).
resultsBased on the findings, only let-7e biomarkers were consistently detected across all samples, with their expression increased eightfold in peri-implant mucositis and 94-fold in peri-implantitis cases. Kruskal-Wallis's test showed a statistically significant difference in relative gene expression of let-7e between the different groups, H(2) = 25.825, p ≤ 0.001.
conclusionsOur study indicates that miRNA biomarkers, particularly let-7e, may play a significant role in the development and progression of PID, highlighting the need for further in-depth investigation, with PICF offering a practical, noninvasive sampling method.
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