NEW YORK, Sept. 2, 2026 /PRNewswire/ -- Oral-care technology company usmile has introduced D Series, a new at-home visual preventive oral-care system led by its flagship D50 OralCam Toothbrush and companion D-lite OralCam. Built around OralCam imaging, AI-assisted brushing guidance, plaque visualization, targeted cleaning, and long-term...