Philips Sonicare declares World Oral Health Night, spotlighting what manual brushing leaves behind

March 20th, Philips Sonicare invites New Yorkers to rethink their nightly clean with an inside look at what happens in your mouth while you sleep CAMBRIDGE, Mass., March 17, 2026 /PRNewswire/ -- R oyal Philips (NYSE: PHG, AEX: PHIA) and its Sonicare brand, the #1 Dental Professional recommended sonic toothbrush brand worldwide, is marking World Oral Health Day by declaring it World Oral Health Night drawing attention to a common risk to your oral health many people overlook: assuming manual brushing always removes enough plaque.