Gentle care for your teeth with a wave-shaped brush head. 6 for 999 yen (shipping not included), which is about 170 yen per brush. 4 for 680 yen, but I'll sell them cheap. Of course, they are brand new and unused. Your friends and overnight guests will love them! Do you have any of the following concerns? Easily bleed when brushing your teeth Gums hurt when brushing your teeth Trouble with dental care due to misaligned teeth Why? Periodontal disease, cavities, and other dental diseases can cause pain, bad breath, and are also linked to the development of other diseases. Therefore, dental care is an important factor not only for appearance but also for your body. Daily toothbrushing and dental care are important, but if brushing your teeth is troublesome or painful, such as excessive bleeding, you may tend to avoid it. However, if you can eliminate the stress of brushing your teeth, you can concentrate on your dental care with a good feeling. Not only that, but you can enjoy brushing your teeth and feel good about your dental care routine. I hope to help everyone with their dental care through nano toothbrushes!