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Related Concept Videos

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.
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...
Oral Cavity01:11

Oral Cavity

The oral cavity, or the mouth, is a complex structure in humans that plays a vital role in our day-to-day lives. Its role is not only in chewing and swallowing food; it also plays a role in speech and facial expressions.
Teeth: The teeth are the hardest structures in our bodies. Humans have two sets of teeth throughout their lifetime: deciduous (baby) teeth and permanent teeth. Each tooth consists of several parts: the crown (visible part), the root (embedded in the jaw), enamel (hard outer...
Assessment of the Mouth01:26

Assessment of the Mouth

A thorough mouth assessment, including inspection and palpation of the lips, gums, tongue, tonsils, uvula, and pharynx, is crucial in detecting potential health issues. Diseases ranging from oral cancer to systemic conditions like diabetes could be identified early through careful oral examination. This article provides a detailed guide on conducting a comprehensive mouth assessment.
Mouth Inspection
The inspection begins with visually examining the mouth for symmetry, color, and size.

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Related Experiment Video

Updated: May 14, 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

Mandibular first premolar with four canals.

Yi Du1, Angeline H C Lee, Chengfei Zhang

  • 1Department of Operative Dentistry and Endodontics, Jinan Stomatological Hospital, Jinan, China.

Journal of Investigative and Clinical Dentistry
|February 6, 2013
PubMed
Summary
This summary is machine-generated.

A rare case of a mandibular first premolar with four root canals was successfully treated. Identifying complex root canal anatomy, like this four-canal system, is crucial for effective endodontic therapy and favorable outcomes.

Area of Science:

  • Endodontics
  • Dental Anatomy
  • Restorative Dentistry

Background:

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The Establishment of a Murine Maxillary Orthodontic Model
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The Establishment of a Murine Maxillary Orthodontic Model

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  • Mandibular first premolars typically present with one or two root canals.
  • Complex root canal anatomy, including multiple canals and foramina, presents a significant challenge in endodontic treatment.
  • Variations in root canal morphology require careful diagnosis and tailored treatment strategies for successful outcomes.