Journal:
:iranian journal of otorhinolaryngology
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hamid reza kianifar department of pediatrics,ghaem hospital, school of medicine, mashhad university of medical sciences, mashhad, iran.
nadia hasanzadeh dental material research center, school of dentistry, mashhad university of medical sciences, mashhad, iran.
arezoo jahanbin department of orthodontics, school of dentistry, mashhad university of medical sciences, mashhad, iran.
atefeh ezzati dental research center, school of dentistry, mashhad university of medical sciences, mashhad, iran.
homa kianifar faculty of medicine, mashhad university of medical sciences, mashhad, iran.
introduction: cleft lip and palate are among the most common congenital anomalies worldwide. this study was conducted in order to explore the incidence and related factors of cleft lip and/or palate (cl/p) among live births in mashhad, north-eastern iran. materials and methods: in this cross-sectional study, records of 28,519 infants born between march 1982 and march 2011 at three major hospi...