Microdontia –Teeth smaller than normal

Macrodontia - Teeth larger than normal.

Gemination – This arises from an attempt at division of single tooth germ by an invagination with Resultant Incomplete formation of 2 teeth

Fusion – Arise through union of 2 normally separated tooth germs.

Concrescence - Teeth contain by cementum only

Dilaceration- It refers to an angulation or a sharp bent in the root or crown of a tooth.

Talon's cup - Resembles eagles talon projects lingually from cingulum areas of incisors.

Dens- Invaginatus Dene in Den Deep surface invagination of crown & root lined by enamel

Taurodontism enlightenment of body and pulp with multirooted teeth and apical displaced pulpal floor

Enamel pearl - ectopic collection of enamel

Hypercementosis - Bulging of tooth of molars and premolars due to excessive deposition of cementum