World Oral Health Day: 'The Night Switch' could save your smile

World Oral Health Day is this Friday, March 20, 2026, but experts are shifting the spotlight to what happens after the sun goes down. New research is sounding the alarm on a major gap in our nightly routines: manual brushing may be leaving behind up to 50% of plaque, allowing bacteria to thrive while you sleep. Joining us to break down the science of "World Oral Health Night" is cosmetic dentist and founder of Les Belles NYC, Dr. Sharon Huang.