Interdental brushes that keep the spaces between teeth clean

This is a Maymate interdental brush supplied to dental clinics.

I used to use dental floss, but as I got older, the gaps between my teeth widened, and regular floss wasn't removing food debris at all. I bought a large pack for 5,000 won on Coupang because the reviews were good. It is a good size for middle-aged users. The interdental brush is made of durable material so it lasts a long time, and I recommend it because it effectively removes small food particles from between teeth. My gum inflammation disappeared after using this.