It depends on the state of closure whether it is normal for teeth not to be closed in the natural state. The mouth in the normal state of closure between the teeth will have a certain gap, not completely closed together.
The normal state of closure is that the upper teeth wrap around the lower teeth, not completely aligned. It is normal for the upper teeth to cover one third of the lower teeth. It is also normal for the lower incisors to bite on the front one-third of the upper incisors to cover the jaws. It is impossible for teeth to be aligned like gears in a tooth-to-tooth mosaic, but they should not be off by too much, and a bite that is off by too much can be problematic.
A patient with a complete non-occlusion is abnormal. It may be genetic factors, may also be bad bite habits caused by excessive protrusion of the teeth, after the emergence of this situation, should go to the hospital in time for correction.
Patients do not need to worry too much about this situation, go to the hospital in time, under the guidance of the doctor to take the appropriate treatment program.