IOTN 5i
Impeded eruption of teeth (except for third molars) due to crowding, displacement, the presence of supernumerary teeth, retained deciduous teeth and any pathological cause.
In the example above both maxillary canines are impacted.
Index of Orthodontic Treatment Need
Impeded eruption of teeth (except for third molars) due to crowding, displacement, the presence of supernumerary teeth, retained deciduous teeth and any pathological cause.
In the example above both maxillary canines are impacted.