Orthodontics aims to improve face and teeth harmony and to allow a good dev
elopment of orofacial and occlusive functions. Orthodontic treatment is ada
pted to each individual case and may be early or late. Orthodontic indicati
ons and management require a collaboration between the paediatrician, the d
entist and the orthodontist. The main indications are described. (C) 2001 E
ditions scientifiques et medicales Elsevier SAS.