I've had way too many RCTs and I've never been subject to this kind of test. Every where I've been to a dentist, I've always been asked to take an X-ray, in whi

I've had way too many RCTs and I've never been subject to this kind of test. Every where I've been to a dentist, I've always been asked to take an X-ray, in which the extent of damage is clearly visible even to untrained eyes.