Week in Review: Antibiotic prophylaxis questioned | COVID-19 and oral health | Surprising new research findings

Dear DrBicuspid Member,

Do patients with prosthetic joints need antibiotic prophylaxis? Our top story of the week was a write-up of a U.K. study designed to answer that very question.

The study findings refute the recommendation to use antibiotics before invasive dental procedures for patients with prosthetic joints. The authors found no significant relationship between invasive dental procedures and subsequent late prosthetic joint infection among hospitalized patients.

SARS-CoV-2 in the oral cavity

Researchers discovered the SARS-CoV-2 virus in the deepest periodontal pocket and cavitated carious lesions of patients with symptomatic and asymptomatic COVID-19. The findings suggest these sites may act as reservoirs for COVID-19 infection.

In other news, a systematic review helped clarify the link between COVID-19 and taste disorders, the most common manifestation of the disease. SARS-CoV-2 may directly affect the taste buds, provoke a local inflammatory response, or bind to sialic acid receptors, the authors noted.

Surprising new research findings

Last but not least, I wanted to highlight some of the new and surprising research on the website this week:

In particular, the study about xylitol caught my eye, because the relationship between chewing gum and preterm births appears related to periodontitis. Let us know which study is your favorite on Facebook, Instagram, Twitter, or LinkedIn.

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