Multi-select problem: How does the next paragraph end?

How to get healthy gums
Brush your teeth for two minutes twice a day.
This is the number one step you can take to care for your teeth. Using a soft or medium bristle toothbrush and fluoride toothpaste, be sure to brush in the morning and evening every day.

[i] Set a timer for two minutes or listen to a short song to keep time. Don't " scrub " your teeth hard-hold the brush like a pencil and brush in light circles and vertical strokes which will prevent gum recession.;
[ii] Brushing will encourage blood to circulate in your mouth and break up the bacteria on your teeth; this also helps prevent you from developing cavities. Gums are also integral to food and hygiene, as they help curb calcium, which can lead to cavities.;
[iii] Brush the top teeth first, and then move to the rest of your teeth. This will keep your mouth healthy and prevent cavities.;
[iv] Brush before you go to bed each night, and after breakfast. Brush your teeth when they are most fresh and clean.;
[i]