We have saliva in our mouths to keep ourselves healthy, specifically stopping both tooth decay and even gum disease. Not having enough saliva can lead to huge problems. Dry mouth is a symptom of some diseases or a side effect which comes with prescription medications. Thankfully, there are many different products which can help.
Can you remember when you last bought a new toothbrush? You need to change it out every two months to prevent bacteria build-up that can hinder proper cleaning. By not replacing your brush, it will not be as effective as you need it to be.