Your son may have a delayed eruption pattern or a discrepancy in the positioning of his permanent teeth.

In the enlarged region, dental abnormalities such as missing teeth, abnormal spacing and delayed eruption occur.

Malformations of the primary molars, absence of one or both premolars and delayed eruption of adjacent teeth are regular findings.

Regional odontodysplasia is characterized by delayed eruption or failure of eruption of discoloured and atypically shaped teeth.

Characteristic facial features may include a pear-shaped or rounded (bulbous) nose; an abnormally long prominent groove (philtrum) in the upper lip; and/or abnormalities such as delayed eruption of teeth.

Delayed eruption of teeth, moderately short stature, a high arched palate, a wide pelvic joint, failure of the lower jaw joints to unite, and fingers that are irregular in length may also be present.