The deciduous teeth are sparse and have gaps, also known as physiological gaps. The existence of these gaps is beneficial for the alignment of larger permanent teeth after an eruption. This condition is more common in children’s mixed teeth period, usually between the ages of 6 and 9, and is a temporary malocclusion.

Sparse teeth in children are common in three situations:

1）The deciduous teeth are sparse and have gaps, also known as physiological gaps. The existence of these gaps is beneficial for the alignment of larger permanent teeth after an eruption. This condition is more common in children’s mixed teeth period, usually between the ages of 6 and 9. It is a temporary malocclusion. After the tooth replacement is completed and a new occlusal relationship is established, it can return to normal.

2）When replacing teeth, there is a gap between the two upper incisors, which is a temporary phenomenon in the process of replacing teeth. With the eruption of the permanent lateral incisors and canines, the gap gradually decreases until it disappears completely naturally.

3）The permanent teeth are sparse and fissured. One is that the permanent teeth are smaller in shape such as tapered teeth or undersized teeth. The other is that the permanent teeth have congenitally missing teeth, and you can go to the hospital to ask a doctor to close the gap through orthodontic or repair methods.