Developmental disturbances of teeth affecting the structure Developmental

Developmental disturbances of teeth affecting the structure: Developmental disturbances means an abnormality where the pathology starts in the embryonic stage of human life, before the formation of the dentition. Developmental disturbances in teeth are of 5 types based on the feature of the tooth they affect: *Size of Teeth *Shape of Teeth *Number of Teeth *Structure of Teeth

Amelogenesis imperfecta presents with abnormal formation of the enamel or external layer of teeth. Enamel is composed mostly of mineral, that is formed and regulated by the proteins in it. Amelogenesis imperfecta is due to the malfunction of the proteins in the enamel: ameloblastin, enamelin, tuftelin and amelogenin.

Dentinogenesis imperfecta (hereditary Opalescent Dentin) is a genetic disorder of tooth development. This condition causes teeth to be discolored (most often a blue-gray or yellow-brown color) and translucent. Teeth are also weaker than normal, making them prone to rapid wear, breakage, and loss. These problems can affect both primary (baby) teeth and permanent teeth

Dentin dysplasia : It is a rare disturbance of dentin formation Characterized by normal enamel, but a typical dentin formation , with abnormal pulp formation. Enamel hypoplasia: Enamel hypoplasia is the defect of the teeth in which the tooth enamel is hard but thin and deficient in amount. This is caused by defective enamel matrix formation with a deficiency in the cementing substance