For most children, the ideal age for a first consultation is when the permanent incisors and first molars appear, between the ages of 6 and 8. Treatment is rare before this age, unless the child has a significant age difference or unhealthy habits. Treatment may be limited to advice or the fitting of small appliances. For most children, the ideal age for a first consultation is when the adult incisors and first molars come through (between 6 and 8 years old). Treatment before this age is rare, unless the child has a significant misalignment or damaging habits. Treatment may be limited to advice or the fitting of small appliances.