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We can not brush our teeth very clean so we need to dental cleaning often in order to keep our teeth clean.Putting Ultrasound Brushing Ball into your inner mouth,which cleans your teeth and removes Dental plaque by ultrasound vibration.Making you keep your teeth clean becomes more easier.
National Kaohsiung Normal University
Kaohsiung, Taiwan
National Kaohsiung Normal University
Kaohsiung, Taiwan
Tsai Ping / Yuan
Chih Han / Hsu