This refers to how the gum line tends to recede and expose more of the teeth. But there seriously is practically nothing unavoidable about gum recession. For The majority of us, it can be prevented. Hi @hlp123, @jenniferhunter introduced me into your discussion. I have a dental background and might https://bookmarklinking.com/story6446517/top-guidelines-of-best-way-to-whiten-teeth