“…No clear etiological factor has been suggested in most of the reported cases. However, a number of etiological causes were raised, such as dental trauma, maxillary osteomyelitis, and development of a defect such as cleft palate, nasal infections and genetic factors [9,10]. In children, intranasal ectopic teeth occur more frequent in patients with cleft lip and alveolus [1,2].…”