Hi Barbara,
I'm 41 and had my left hip resurfaced in August. I had degenerative joint disease which was secondary to dysplasia. Apparently, my hip was dislocated at birth and no one noticed for 11 months! When my parents finally brought me to a specialist, I was put in a series of casts and braces for the next year of so. My parents told me the specialist said then that my hip would probably last until I was in my early forties. He was right! The hip formed with a very shallow socket and the head of my femur was flat on one side - not a very congruent combination, resulting in a lot of friction and therefore wear and tear over the years. I started having pain when I was 28. Amazingly, I've been an athletic and active person my whole life and played hockey for 7 years in my twenties until my hip started to hurt.
My surgeon told me that hip dysplasia is the most common condition in his resurfacing patients. Since I had a such a shallow socket, he had to dig out a socket for me in which he could place the acetabular component. Apparently, dysplasics often have poorly shaped sockets and some companies even make special acetabular components for dysplasic sockets. So, don't worry too much about the dysplasia. It's amazing what they can do!
I hope you find comfort in the fact that you're not alone out there and you're not the first!
Jeanie