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Related Concept Videos

Teeth01:15

Teeth

The formation of teeth, also known as odontogenesis, is a complex process that begins in utero, around the sixth week of embryonic development. There are three stages to this process: the bud stage, the cap stage, and the bell stage.
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 Anatomy01:21

Tooth Anatomy

The human tooth enables us to eat a variety of foods, speak clearly, and even aid in shaping our faces. Teeth are composed of various elements that work together. Here's a detailed look at the anatomy of a human tooth.
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.

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Related Experiment Video

Updated: Jun 21, 2026

Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology
07:26

Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology

Published on: August 22, 2022

[Multiple retained deciduous teeth: a case report].

Jing Wang1, Wen-Li Lai

  • 1Dept. of Orthodontics, West China College of Stomatology, Sichuan University, Chengdu 610041, China.

Hua Xi Kou Qiang Yi Xue Za Zhi = Huaxi Kouqiang Yixue Zazhi = West China Journal of Stomatology
|July 30, 2009
PubMed
Summary
This summary is machine-generated.

Retained deciduous teeth occur when baby teeth remain after permanent teeth erupt or fail to emerge. This case report details an instance of multiple retained primary teeth in the permanent dentition.

Related Experiment Videos

Last Updated: Jun 21, 2026

Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology
07:26

Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology

Published on: August 22, 2022

Area of Science:

  • Dentistry
  • Oral Health
  • Pediatric Dentistry

Background:

  • Understanding the etiology and clinical presentation of retained deciduous teeth is crucial for pediatric dental care.
  • Primary teeth normally exfoliate to allow permanent teeth eruption; their retention can indicate underlying developmental or positional anomalies.

Observation:

  • This report presents a specific case involving multiple retained deciduous teeth.
  • The condition was observed within the permanent dentition, highlighting a deviation from typical tooth development.

Findings:

  • Retained deciduous teeth are primary teeth that persist beyond their normal exfoliation period.
  • This can occur with or without the eruption of their permanent successors, impacting dental arch development.

Implications:

  • Early identification and management of retained deciduous teeth are essential to prevent malocclusion and facilitate proper permanent tooth eruption.
  • This case underscores the importance of thorough dental examinations in children to detect such anomalies.
  • Further research into the specific causes and long-term outcomes of multiple retained deciduous teeth is warranted.