This book is talking about the psoriatic arthritis and how it affect the joints and restrict the human abilities. One of the most important joints in the body is the tempromandibular joint, it is a unique and complex joint making it difficult to treat. Any problem or disease affecting this joint the management will be mostly supportive. I would try to focus a light on the importance of this joint and the conditions that may affect it, sign and symptoms of arthritis and the role of ct scan to detect the changes that occur in the joint.