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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...
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...
Development of the Oral Microbiota01:28

Development of the Oral Microbiota

The establishment of the oral microbiome begins before birth, challenging the long-held belief that the fetal oral cavity is sterile. The presence of oral microbes such as Streptococcus and Fusobacterium in amniotic fluid suggests that microbial exposure may occur in utero, potentially through translocation from the maternal oral or gastrointestinal tract. This early colonization primes the neonatal immune system and sets the stage for subsequent microbial succession. Maternal health,...
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: Jun 7, 2026

Systematic Approach to Identify Novel Antimicrobial and Antibiofilm Molecules from Plants' Extracts and Fractions to Prevent Dental Caries
08:20

Systematic Approach to Identify Novel Antimicrobial and Antibiofilm Molecules from Plants' Extracts and Fractions to Prevent Dental Caries

Published on: March 31, 2021

[Dental caries in an ecological perspective].

Svante Twetman1, Kim Ekstrand, Vibeke Qvist

  • 1Københavns Universitet, Det Sundhedsvidenskabelige Fakultet, Odontologisk Institut, Afdeling for Cariologi og Endodonti, København N, Denmark. stwe@sund.ku.dk

Ugeskrift for Laeger
|November 4, 2010
PubMed
Summary

Dental caries, a common issue in Denmark, is caused by factors like pH changes in oral biofilms. Daily brushing with fluoride toothpaste is the most effective prevention method.

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Last Updated: Jun 7, 2026

Systematic Approach to Identify Novel Antimicrobial and Antibiofilm Molecules from Plants' Extracts and Fractions to Prevent Dental Caries
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Published on: March 31, 2021

Micro-dissection of Enamel Organ from Mandibular Incisor of Rats Exposed to Environmental Toxicants
08:12

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Ratiometric Imaging of Extracellular pH in Dental Biofilms
13:05

Ratiometric Imaging of Extracellular pH in Dental Biofilms

Published on: March 9, 2016

Area of Science:

  • Oral microbiology
  • Dental public health
  • Biochemistry

Context:

  • Dental caries is highly prevalent in Denmark.
  • Oral biofilm homeostasis disruption, driven by pH changes, promotes acid-tolerant bacteria.
  • A common risk factor approach is guiding new prevention strategies.

Purpose:

  • To summarize the multifactorial etiology of dental caries.
  • To highlight the role of oral biofilm pH and bacterial overgrowth.
  • To present evidence-based prevention and management strategies.

Summary:

  • Dental caries etiology involves multifactorial influences, notably pH-induced oral biofilm changes favoring acid-tolerant bacteria.
  • Tooth brushing twice daily with fluoridated toothpaste is strongly supported as a cost-effective caries prevention and control measure.
  • Physicians should be aware that certain medications can reduce saliva flow, thereby increasing caries risk.

Impact:

  • Provides a concise overview of dental caries prevention.
  • Emphasizes the importance of fluoride toothpaste and regular brushing.
  • Raises awareness among healthcare professionals regarding drug-induced xerostomia and caries risk.