No, it is not OK.
put just the bristles under hot water
Many, many countries make toothbrushes.
Yes, it is okay to put avocados in the fridge to slow down the ripening process.
nothing
Toothbrushes for dogs come in a variety of colors. My dog's toothbrush is blue.
toothbrushes weren't invented then!
Yes, peanut butter people can eat toothbrushes.
Any toothbrush is only as effective as the person using it. If used properly, most manual toothbrushes can adequately clean your mouth. I typically recommend electric toothbrushes to people who have some kind of physical limitation, such as arthritis.
It is difficult to provide an exact number, but it is estimated that there are billions of toothbrushes used around the world. This number is constantly changing as toothbrushes are manufactured, sold, and disposed of.
No. it is not.
Yes, it is okay to put avocado in the fridge to slow down ripening and extend its shelf life.
nothing