Abstract
PurposeThe aim of this study was to investigate the presence of bacteria in samples of the temporomandibular joint taken from patients suffering from advanced osteoarthritis of the temporomandibular joint (TMJ). Materials and methods25 fresh mandibular condyle samples were taken from 17 consecutive patients undergoing mandibular condylectomy (8 bilateral) for advanced TMJ osteoarthritis (Dimitroulis Category 5 joints). The joint samples were stained and cultured for the presence of microorganisms following a standardised joint culture protocol. ResultsNo evidence of bacteria was found on staining or solid culture mediums. Late growth (day 12) of commensal skin organisms (P. Acnes, S. Epidermitis, S. Capitis) were identified in enriched broth samples in 5 joint samples. No statistically significant associations were noted between positive broth samples and age or previous joint intervention (p > 0.05) ConclusionsWithin the limitations of this study, we have failed to identify meaningful bacterial growth in tissues (i.e. condylar head) of the TMJ that would suggest a contributory bacterial pathogenesis for arthritis of the TMJ.
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