Snoring or sleep apnoea: While snoring is common and quite harmless, severe cases can be related to sleep apnoea and can have serious side effects. The orthodontist is normally the first person to identify these airway and breathing problems and can offer appropriate advice for necessary treatment.
The condition where the top front teeth sit out more than normal. This can also leave a big gap between the front top and bottom teeth. Reverse bite: opposite of protrusion; a condition where the bottom front teeth sit out more than normal, also known as an underbite.