eng Oriental Scientific Publishing Company Biomedical and Pharmacology Journal 0974-6242 2015-10-25 8 October Spl Edition 319 322 10.13005/bpj/697 3491 article Sunil Chandy Varghese 1 C. Deepak 2 Dept. Of Orthodontics, Tagore Dental College & Hospital, Chennai, India Department of Orthodontics, Sree Balaji Dental College and Hospital, Bharath University, Pallikaranai, Chennai-600100 Nasal airway patency and malocclusion have long been   Interrelated. It is obvious that severe malocclusion must make it difficult for the individual to breathe, chew, swallow, and speak. The Reverse Of This Could Also Be True! Alterations or adaptations in function can be an etiologic factor for malocclusion, by influencing the pattern of growth and development and thereby resulting in malocclusion. This article  attempts to compile the views supporting and opposing nasal obstruction as a cause for malocclusion. https://biomedpharmajournal.org/vol8octoberspledition/airway-problems-and-its-related-disorders-an-orthodontist-perspective/ Nasal airway  Problems  Alterations or adaptations