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Objective
To investigate whether periodontitis, characterized by marginal jawbone loss, precedes the onset of symptoms of rheumatoid arthritis (RA), and to analyze plasma levels of RANKL (a cytokine that is crucial for bone resorption) and anti–citrullinated peptide antibodies (ACPAs) in presymptomatic individuals compared with matched referent controls.
Methods
Marginal jawbone loss was measured...
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