Related Experiment Video
Updated: May 29, 2026

Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology
Published on: August 22, 2022
Multiple abnormalities in permanent maxillary incisors following trauma to the primary dentition
Nitesh Tewari1, Ramesh Kumar Pandey
1Department of Pedodontics and Preventive Dentistry, BBD College of Dental Sciences, Lucknow, Uttar Pradesh, India. dr.nitesht@gmail.com
Abstract:
Diverse consequences to the trauma to primary dentition are sometimes difficult to explain. This report describes a rare case of sequelae to primary tooth trauma. The traumatic episode which occurred at the age of 3 years resulted in abnormally large crowns of 11 and 21 with yellowish-brown discoloration and enamel hyperplasia. It also led to dilaceration in the root of 21 and enamel hypoplasia with discoloration in 12 and 22.
Related Concept Videos
Teeth
In the bud stage, the tooth germ (an aggregation of cells) starts to form in the developing jawbone. During the cap stage, the tooth germ differentiates into enamel organ, dental papilla, and dental sac, which will later develop into the tooth's enamel, dentin and...
Tooth Anatomy
The Crown, Neck, and Root
The visible part of the tooth is referred to as the crown. It's covered by enamel, the hardest substance in the human body. The crown is uniquely shaped for each type of tooth, allowing for different functions such as cutting, tearing, or grinding food.
