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Researchers disrupt bacterial signals to steer dental plaque toward health
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Scientists at the University of Minnesota have shown that disrupting how oral bacteria communicate can shift dental plaque toward communities associated with better oral health, potentially opening the door to new ways of preventing gum disease without wiping out beneficial microbes.
2026년 QS 세계대학 학과별 순위에서 홍콩 대학들이 3년 만에 가장 큰 하락세를 보였으며, 평가 대상 266개 학과 중 53%의 순위가 내려갔다. 데이터 과학 및 인공지능 분야는 하락했으나, 홍콩대학교의 치의학은 세계 2위를 유지했고 홍콩공연예술아카데미의 공연예술학은 10위권을 탈환했으며, 홍콩교육대학교의 교육학은 처음으로 세계 10위권에 진입했다.
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Scientists have developed a new teeth-whitening powder that activates with electric toothbrush vibrations to remove stains while repairing enamel. Lab tests showed up to 50% whitening on stained teeth, and animal studies indicated improved oral microbiome balance. The findings appear in ACS Nano.
Research published October 22, 2025, in Neurology® Open Access reports that older adults with gum disease had more white matter hyperintensities—a marker of tissue damage—than peers without gum disease, even after accounting for other risks.
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People with both cavities and gum disease had an 86% higher risk of ischemic stroke than those with healthy mouths, according to research published October 22, 2025, in Neurology Open Access. The two-decade study of 5,986 adults linked poor oral health to higher rates of major cardiovascular events, while emphasizing the findings show association, not causation.