According to Kaban’s protocol rate of distraction osteogenesis to regenerate a new ramus/ condyle unit is?

Surgery

According to Kaban’s protocol rate of distraction osteogenesis to regenerate a new ramus/ condyle unit is?

A tender swelling in submandibular triangle is mostly likely diagnosed as

In transfacial proportions, the face Is divided into how many segments:

Specific for Ankylosing spondylitis is true?