If you live with someone who is not a good brusher and one possible reason for this may be that they lack the motivation to brush. Because using an electric toothbrush can be fun or different, this person may brush longer, more frequently, or both. Electric toothbrushes may also provide motivation in another way. A person could take a greater interest in brushing because they see evidence that their electric toothbrush is cleaning their teeth more effectively than when they brush with a manual toothbrush. Because a person's teeth could feel fresher and cleaner than ever before, an improvement in the health of their gums could be evident. In addition to this, they may notice a reduction in the amount of stains on their teeth.