Which of the following statement is false in relation to myofacial pain dysfunction syndrome ?

Which of the following statement is false in relation to myofacial pain dysfunction syndrome ?

A. Maily affects young females
B. is caused by muscle fatigue due to chronic oral habits are grinding and clenching
C. Treatment involves construction of occlusal guard and stress free emotional condition
D. The perioral musculature becomes hypotonic

A non-neoplastic hereditary bone lesion, histologically similar to central giant cell granuloma affects children and shows, a bilateral involvement of the jaws with eye to heaven appearance clinically is_______________?

A non-neoplastic hereditary bone lesion, histologically similar to central giant cell granuloma affects children and shows, a bilateral involvement of the jaws with eye to heaven appearance clinically is_______________?

A. Fibrous dysplasia
B. Cherubism
C. Craniofacial dysostosis
D. Chondro-ectodermal dysplasia