It is defined as a disorder in which there is a decrease in the size of teeth. It can be true or false. The teeth are smaller in size than the normal teeth. Not all the teeth are involved and most commonly single teeth which is an upper lateral incisor is involved. It occurs due to the problem in the shape of teeth. Sometimes, the jaw is large in size and the teeth look small. It occurs in the case of dwarfism.
It includes the problem in the secretion of hormones. The reason is not known for a single teeth but the hormonal imbalance is the reason in generalized teeth. It is linked with the dwarfism as well as the under growth of the one half of face.
One can go for building up of teeth with the help of composites. One can even go for crowning of the teeth.