Continuation of Salivary Gland Ectasia and Oral Disease Afte
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In a recent study, researchers suggest that residual damage of the oral cavity continues in many patients even after recovery of Covid-19 infection.

The aim of the study published by the Journal of Dental Research was to investigate the presence and prevalence of oral manifestations in COVID-19 survivors.

We profiled the oral involvement in 122 COVID-19 survivors that were hospitalized and followed up at a single-referral university hospital in Milan, Italy, between July 23, 2020, and September 7, 2020, after a median time from hospital discharge of 104 (95 to 132) days.

They found that oral manifestations, specifically salivary gland ectasia, were unexpectedly common, with oral manifestations being detected in 83.9% while salivary gland ectasia in 43% of COVID-19 survivors. Salivary gland ectasia reflected the hyperinflammatory response to SARS-CoV-2, as demonstrated by the significant relationship with C-reactive protein (CRP) and lactate dehydrogenase (LDH) levels at hospital admission, and with the use of antibiotics during acute disease. Both LDH levels and antibiotic administration survived as independent predictors of salivary gland ectasia at multivariable analysis. Temporomandibular joint abnormalities, facial pain, and masticatory muscle weakness were also common.

Overall, this retrospective and prospective cohort study of COVID-19 survivors revealed that residual damage of the oral cavity persists in the vast majority of patients far beyond clinical recovery, and suggests that the oral cavity represents a preferential target for SARS-CoV-2 infection.

Source: https://doi.org/10.1177/0022034521997112
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