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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.
The Evidence for Evolution02:55

The Evidence for Evolution

Genetic variations accumulating within populations over generations give rise to biological evolution. Evolutionary changes can result in the formation of novel varieties and entire new species. These changes are responsible for the diverse forms of life inhabiting the planet. The evidence for evolution suggests that all living organisms descended from common ancestors.The collection of fossils within sedimentary rocks give a record of common ancestry and often depicts the history of evolution.

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Related Experiment Video

Updated: Jul 4, 2026

A Standardized Approach to Extra-Oral and Intra-Oral Digital Photography
06:49

A Standardized Approach to Extra-Oral and Intra-Oral Digital Photography

Published on: July 22, 2022

Evidence-based dentistry resources for dental practitioners.

Mark Scarbecz1

  • 1Department of Pediatric Dentistry and Community Oral Health, University of Tennessee College of Dentistry, USA.

The Journal of the Tennessee Dental Association
|July 3, 2008
PubMed
Summary

This guide helps dentists find and use research evidence for better patient care. It explains evidence-based dentistry and resources like systematic reviews and PubMed.

Area of Science:

  • Dentistry
  • Evidence-Based Practice

Background:

  • The American Dental Association supports evidence-based dentistry.
  • This approach integrates scientific evidence with clinical expertise and patient factors.

Purpose of the Study:

  • To guide dentists in finding and using quality research evidence.
  • To describe methodologies foundational to evidence-based dentistry.

Main Methods:

  • Description of research methodologies.
  • Discussion of advantages and disadvantages of literature summaries (reviews, systematic reviews, meta-analyses).

Main Results:

  • Identification of key evidence-based resources.
  • Examples include specialized journals, PubMed, and the Cochrane Collaboration.

Related Experiment Videos

Last Updated: Jul 4, 2026

A Standardized Approach to Extra-Oral and Intra-Oral Digital Photography
06:49

A Standardized Approach to Extra-Oral and Intra-Oral Digital Photography

Published on: July 22, 2022

Conclusions:

  • Dentists can enhance clinical decision-making through evidence-based practices.
  • Utilizing described resources facilitates the integration of research into dental care.