I recommend the Oa oral irrigator.

This is my holy grail oral irrigator. The Oa oral irrigator!!

First of all, the value for money is excellent. I even take it with me when I travel and use it 365 days a year! I brush my teeth and floss, but I feel like I haven't properly cleaned my teeth unless I use the oral irrigator as well. I plan to continue using it for a long time. Since using the oral irrigator, the symptoms of swollen and sensitive gums that used to occur when I was tired have almost disappeared.

It's gone! Everyone, you absolutely must use an oral irrigator! It's a whole new world.