When the children permanent teeth and lower teeth will throw off the roof, the upper teeth out will buried in the earth. Otherwise irregular teeth grow
When a child changes his teeth, the lower teeth are dropped to be thrown on the roof, and the upper teeth are buried in the soil. Otherwise the teeth don't grow neatly.
When children change their teeth, when their lower teeth fall off, they will be thrown on the roof, and when their upper teeth fall off, they will be buried in the soil. Otherwise, the teeth will not grow in order