20pcs L Shape Interdental Brush Angle Cleaners Orthodontic Dental Tool Teeth Cleaning Toothpick Yellow Item Type: Interdental Brush Material: Plastic handle, stainless steel wire, nylon wire brush Applications: Periodontal care/people who are easy to clog their teeth, people with orthodontic treatment and wear dentures/dental implants. Clean the front teeth of the upper teeth: Tilt the brush head down, close to the roots of the teeth and the edges of the gums. Slowly insert the bristles between the teeth, gently back and forth 2-3 times. Clean the lower teeth: the brush head is tilted upward, close to the roots of the teeth and the edge of the gums. Slowly insert the bristles between the teeth, gently back and forth 2-3 times. After use, rinse the brush head with clean water and dry it. How to clean metal braces: A. The brush head is slightly inclined downwards, from top to bottom, around the gaps between the arch wires, so that the bristles are obliquely close to the edges of the teeth and gums. Along the edges of the teeth and gums, brush gently back and forth to clean the edges of the teeth and roots. B. The brush head is slightly inclined upward, from bottom to top, bypassing the gaps of the arch wire, so that the bristles are horizontally attached between the bracket and the arch wire. Along the gaps between the bracket and the arch wire, brush back and forth to clean the small parts on the arch wire and braces.