The head is just turned to the left or the right for ES surgery. Because the patient is asleep & muscles are very relaxed, the head is easily turned the necessary direction to expose the surgical site i.e. it isn’t forced or unnatural. Try not to let the concern of surgical head position delay your surgery because, as @Jules said, quite a number of our members have commented on how much more freedom they felt with head/neck turning once their styloid(s) was/were gone.
Here’s a recent post where that’s mentioned: