Treatment of choice for stone in Submandibular duct compressing distal to Lingual nerve is

Surgery

Treatment of choice for stone in Submandibular duct compressing distal to Lingual nerve 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?