Adenoid facies is typical changes in the face of young children because of enlarged adenoids.
Chronic mouth breathing because of enlarged adenoids during the age of active facial skeleton growth results in facial structural changes.
The features of adenoid facies include elongated face, pinched nostrils, open mouth, high arched palate, shortened upper lip, and vacant expression.
Jaws and teeth are affected and disfigured ; usually teeth of the upper jaw are irregular and crowded and there is malocclusion of upper and lower jaws.
public domain in USA