title: Reply to letter to the editor "The relationship between head injury and facial trauma: a case-control study".
authors.affiliation: Department of Oral and Maxillofacial Surgery, Hamedan University of Medical Sciences, Shahid Fahmideh Street, Hamedan, Iran, zandi88m@yahoo.com.
authors.forename: Mohammad
authors.initials: M
authors.lastname: Zandi
authors.forename: Seyed Rohallah
authors.initials: SR
authors.lastname: Seyed Hoseini
mesh_terms: D006259:Craniocerebral Trauma / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D008446:Maxillofacial Injuries / Q000453:epidemiology*