“…The vertical location of mental foramen and other characteristics such as accessory foramina and appearance have been studied in different populations by clinical radiographs (Yosue & Brooks, 1989a, 1989bPhillips et al, 1992aPhillips et al, , 1992bal-Khateeb et al, 1994;Al Jasser & Nwoku, 1996;Olasoji et al, 2004;Laster et al, 2005;AlKhateeb et al, 2007) or collections of dried skulls (Phillips et al, 1992a(Phillips et al, , 1992bMbajiorgu et al, 1998;Sawyer et al, 1998;Ngeow & Yuzawati, 2003;Souaga et al, 2004;Agthong et al, 2005;Igbigbi & Lebona, 2005). Since the Gulf war in 1991, a dramatic increase of Iraqi population in Jordan, especially in the capital city Amman, has been noticed by the Jordanian immigration authority which reported more than half million of them entering and leaving Jordan since 1990 up to March 2007.…”