-When teeth grow in crooked or when the front teeth have crowding or grow in backwards
-When the chin is growing more than normal
-When the child has an underbite due to the overgrowing of the chin (chin starts to grow at age 6-8
– when overbite is seen during the growing stages
When symptoms are left untreated while the lower jaw grows, there is a chance that it will grow into a overly protruding chin, protruding lip as the child grows into an adult; it may be difficult to treat when they grow into an adult. In such cases, surgery like double jaw surgery may be need in conjunction to orthodontics.
As the permanent teeth grow in, there may be a lack of space for the permanent teeth which leads to crowding or protruding teeth; this helps prevent such cases by making space for the permanent teeth.
Growth control may be needed when the upper jaw grows making it appear protruded or underbite; conversely, when the lower jaw grows too quickly, causing a protruding chin.
In such cases, there may be the need for devices worn outside the mouth.
Devices used in conjunction to that used inside the mouth.
Protruding upper jaw, underdeveloped lower jaw – head gear
Protruding jaw – face mask