I have one like yours too - and I have tried *everything*; I've also asked the exact same question as to whether there is a prevention product. I don't know of one. It's just all about prevention by brushing daily.
__________________ ~ A friend told me I was delusional. I nearly fell off my unicorn. ~ °¨¨¨°ºOº°¨¨¨° Ann | Pfeiffer | Marcel Verdel Purcell | Wylie | Artie °¨¨¨°ºOº°¨¨¨° |