Hi there. I've no experience myself, but a friend has recently just qualified as an orthodontic therapist. If you would like me to pass on your details I'm sure she would be happy to answer any specific questions you might have. We are in the North West area & all I know is that she found it quite challenging and said it did take up an awful lot of her time, but she's made up and glad she did it now it's all completed & she's fully qualified.