Causes of dental occlusion defects

Asymmetry between the jaw and the size of the teeth. Decrease or increase in the number of teeth, which causes spaces between the teeth, or pressure between them that leads to non-occlusal teeth. Presence of some genetic diseases. Exposure of the child or fetus before birth to some external factors. Some children are accustomed to bad habits that prevent the teeth from being closed and lead to crookedness, such as the habit of finger sucking. Premature extraction of milk teeth. Late extraction of milk teeth.