It is the diet. It is genetic. You don't brush long enough. You time your brushing wrong. You use a too soft/too hard brush. Electric brush is needed. It is you

It is the diet. It is genetic. You don't brush long enough. You time your brushing wrong. You use a too soft/too hard brush. Electric brush is needed. It is your toothpaste, too much/too little fluoride. All problems are caused/prevented by flossing. Mouth wash is the one true answer. Dental care feels like oncology, everything treats and causes problems at the same time.