Indonesian Journal of Dentistry 2006; Edisi Khusus KPPIKG XIV: 348-352The influenced of respiration to dentocraniofacial growth and development is still controversial. The accurate radiologic examination is important factor for proper diagnosis. Deviation of upper airway (i.e. nasopharynx, oropharynx and nasal cavity) could be evaluated by lateral and anteroposterior cephalometric projection technique. This paper explains several methods to evaluate upper respiratory tract by lateral radiograph.