The Philips Sonicare 4100 is the better electric toothbrush due to its advanced sonic cleaning technology and longer battery life. However, the Oral B Pro 1000 is a more affordable option that still provides effective plaque removal. According to a study by the Journal of Clinical Dentistry, sonic toothbrushes like the Philips Sonicare 4100 can remove up to 21% more plaque than manual toothbrus...