answer:I floss hit and miss and my teeth are in great shape. I try to do it at least a few times a week but, my dentist always says how great things look. I do floss before I go the dentist. haha I think, like most health things, a lot is based on genetics, some people just have naturally better and stronger teeth and it is hard to get cavities and other issues. My daughter is only 28 but she has had to have several deep quadrant cleanings and I have never had to have any deep cleanings at almost 57. My only complaint is that I am prone to getting coffee stains on the back of my lower bottom teeth so I brush after coffee faithfully.