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Tooth Anatomy01:21

Tooth Anatomy

991
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...
991
Teeth01:15

Teeth

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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...
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Related Experiment Video

Updated: Sep 5, 2025

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

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Two Rooted Mandibular Second Premolar: An Unusual Finding.

Akash Sibal1, Aditya Patel1, Shriya R Singi1

  • 1Department of Conservative Dentistry and Endodontics, Sharad Pawar Dental College and Hospital, Datta Meghe Institute of Medical Sciences, Wardha, IND.

Cureus
|July 5, 2022
PubMed
Summary
This summary is machine-generated.

Accurate root and canal anatomy knowledge is crucial for endodontic surgery success. This case highlights the rare occurrence of two roots in a mandibular second premolar, emphasizing the need for thorough diagnosis to prevent treatment failure.

Keywords:
endodonticslower second premolarproximal cariesroot canal therapytwo roots

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Area of Science:

  • Dentistry
  • Endodontics
  • Dental Anatomy

Background:

  • Understanding root and canal anatomy is critical for successful endodontic surgical procedures.
  • Missed canals can lead to endodontic treatment failure and potential tooth extraction, despite modern conservation efforts.
  • Aberrant anatomy in mandibular second premolars is a subject of interest for researchers and clinicians.

Observation:

  • Variations in root or canal morphology may not be evident on two-dimensional (2D) radiographs.
  • These anatomical variations often become apparent during endodontic treatment procedures.
  • The current case report details the occurrence of two roots in a mandibular second premolar.

Findings:

  • The case study documents a mandibular second premolar with an unusual two-rooted anatomy.
  • The clinical presentation and management of this specific anatomical variation are described.
  • This finding underscores the importance of recognizing and managing complex root canal systems.

Implications:

  • Accurate diagnosis of root and canal anatomy is essential for effective endodontic treatment planning.
  • Awareness of potential anatomical variations can improve treatment outcomes and prevent complications.
  • This case contributes to the understanding of mandibular second premolar morphology and its clinical significance.