You are correct, NotSpaghetti. My Dad was always having fillings and, as a child, so was I despite brushing correctly - though as NHS dentists were paid per treatment, who is to say I needed them? I rarely needed fillings as I grew older …. However despite many fillings when I was young I have only had one tooth extracted and that was due to failed root canal treatment. Thankfully my son must have inherited my Mum’s good teeth, though of course like me he was taught to brush properly and his sugar intake was more limited than mine, though sweets were not banned. He has never needed a filling and is almost 40.