It is a known fact that the primary teeth have a significant effect on the development of the permanent occlusion. Malocclusions can be detected early in the primary dentition and if they are left untreated they may be transferred to the permanent dentition. Therefore, knowing aetiology of malocclusions, detecting malocclusions in all three planes of space, deciding when or even whether to treat an orthodontic problem in primary dentition and the treatment options are very important for the general and pediatric dentists
