This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Radiology
A  24 year old male presents to the clinic for routine checkup. On routine radiograph, supernumerary teeth are seen. General examination reveals hypermobility of shoulders and Gorlin sign is absent. What is the most probable diagnosis? 
Select and explain. 
A. Sturge Weber Syndrome, B. Marie-Sainton Disease, C. Hallerman-Streiff syndrome, D. Ehlers Danlos Syndrome
B: Marie-Sainton Disease
Answer: B: Marie-Sainton Disease 
Explanation: Cleidocranial Dysplasia (Marie and Sainton’s disease, Scheuthauer-Marie-Sainton syndrome, mutational dysostosis)
Absence of clavicle causes unusual mobility of the shoulders with the tendency of the patients to bring their shoulders forward till they meet in the midline. Cleidocranial dysplasia is a syndrome of unknown cause. It is usually transmitted as an autosomal dominant trait.
Gorlin sign: It is the ability to touch the tip of the nose with the tongue. It is present in Ehlers-Danlos syndrome.