yeh if the basics are free we tend not to bother with the fancy stuff, aesthetically we should probably try harder. I did go to a decent private dentist last year and it was light and day from the cheaper ones, it's just really expensive, but you are paying for someone's years of training so I guess it is what it is. I wish I understood a bit more about it as a kid as I'd have straighter teeth now, but nobody bothers explaining what they are doing