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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.
The Oral Microbiota01:27

The Oral Microbiota

The oral microbiome includes a complex ecosystem comprising over 700 microbial species, identified through genomic sequencing and culture-based analyses to date. This community includes a core microbiome, found universally among individuals, and a variable component influenced by environmental factors such as diet, lifestyle, and host genetics. Site-specific conditions, including oxygen gradients, pH levels, and nutrient availability, determine the spatial distribution of these microorganisms...
Essential Minerals for Bone Health01:31

Essential Minerals for Bone Health

The minerals contained in all of the food we consume are essential for our organ systems. However, certain essential minerals, such as calcium, phosphorus, magnesium, manganese, and fluoride, largely affect bone health.
Calcium and Phosphorus
Calcium is a critical component of bones, especially in the form of calcium phosphate and calcium carbonate. Since the body cannot make calcium, it must be obtained from the diet. However, calcium cannot be absorbed from the small intestine without...

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Related Experiment Video

Updated: Jun 10, 2026

Semi-Automated Planimetric Quantification of Dental Plaque Using an Intraoral Fluorescence Camera
09:34

Semi-Automated Planimetric Quantification of Dental Plaque Using an Intraoral Fluorescence Camera

Published on: January 27, 2023

Dentifrices--an update.

Robin Davies1, Crispian Scully, Antony J Preston

  • 1National Fluoride Information Centre, Coupland 111 Building, University of Manchester, Oxford Road, Manchester M13 9PL.

Medicina Oral, Patologia Oral Y Cirugia Bucal
|August 17, 2010
PubMed
Summary
This summary is machine-generated.

Modern toothpastes containing fluoride salts effectively reduce tooth decay. Other formulations with ingredients like triclosan improve plaque control, gingivitis, and periodontal health, while also addressing calculus, stains, sensitivity, and bad breath.

Related Experiment Videos

Last Updated: Jun 10, 2026

Semi-Automated Planimetric Quantification of Dental Plaque Using an Intraoral Fluorescence Camera
09:34

Semi-Automated Planimetric Quantification of Dental Plaque Using an Intraoral Fluorescence Camera

Published on: January 27, 2023

Area of Science:

  • Dental Science
  • Pharmacology
  • Public Health

Background:

  • Toothpastes are a primary vehicle for delivering oral hygiene agents.
  • Evidence for the efficacy of various toothpaste ingredients has evolved significantly.

Purpose of the Study:

  • To review published scientific evidence on the efficacy of modern dentifrices.
  • To assess the potential for adverse reactions associated with toothpaste use.

Main Methods:

  • Systematic review of publications indexed on MEDLINE since 1990, with inclusion of some pre-1990 references.
  • Scrutiny of studies for scientific and trial data on dentifrice efficacy and adverse events.

Main Results:

  • Fluoride salts in dentifrices are proven effective in caries reduction.
  • Toothpastes with triclosan demonstrate efficacy in plaque and gingivitis control.
  • Other formulations effectively reduce calculus, extrinsic stain, dentine sensitivity, and oral malodor.

Conclusions:

  • Modern toothpastes offer a range of proven oral health benefits to consumers.
  • Adverse reactions to toothpastes are rare but can manifest as allergic responses or oral lesions.