(1) and "research report on reducing gingivitis and removing dental plaque after brushing" were published in the fifth volume of the first issue of Journal of Clinical Dentistry 1994.
(Dentrust's six-month clinical verification report on three-sided toothbrush brushing) was published in the seventh volume of the fourth issue of Journal of Clinical Dentistry 1996.
(Four-month follow-up study report on the cleaning effect of Dentrust three-sided toothbrush and Oral-BP35 toothbrush on orthodontic patients "was published in the fourth issue of Journal of Clinical Dentistry, Volume 8 1997.
2. Three-sided brush head has been certified by American Dental Association.
3. Gallup Company of the United States conducted a clinical trial on the three-sided toothbrush. The comparative results showed that the three-sided toothbrush could effectively remove dental plaque, and the effect was the most obvious in reducing the degree of gingival swelling and pain.