Brazilian dentists do things differently--when you need to have x-rays, the dentist never does them him/herself; rather, they send you to a place like Interface. Interface can and does do all sorts of radiological exams of the mouth as well as 3D casting and other services.
You don't need an appointment--you just show up with your dentist's specific request and the radiologists perform the exam. For that reason, it may take longer than you want, but it won't be all day. You can usually pick up the results in about 4 days. They take credit & debit cards and of course cash. They've also got a small parking lot in front. read more