Mala needs to buy a new toothbrush. Her dentist recommends an electric toothbrush for better cleaning.

Which requirements should Mala look for when purchasing a new toothbrush? Check all that apply.


- The toothbrush is electric.

- The toothbrush is safe to use.

- The toothbrush is endorsed by celebrities.

- The toothbrush's packaging claims that it works great.

- The toothbrush is approved by a dental association.