In Texas, the records and radiographs belong to the dentist. No dentist I know would withhold records because most of us don't want ill will with our patients...They also don't give us that much information. Radiographs need to be less than a year old to be diagnostic.They do give you a history...
You might want to consider selective teeth reshaping. An experienced Cosmetic Dentist can make minor tooth reductions which can have a dramatic effect on the way your teeth look. See the video link below for more details on this exciting minimally invasive procedure.
There are a couple of reasons your front teeth 8 & 9 look so large. One is that they are so forward of the lateral incisors 7 & 10. The second reason is that due to very narrow archall of the other teeth are set back and look too small which gives the empty space next to the cheeks...