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Related Concept Videos

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...
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.
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...
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,...

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Related Experiment Video

Updated: May 21, 2026

Therapeutic Effectiveness of a Dietary Supplement for Management of Halitosis in Dogs
07:33

Therapeutic Effectiveness of a Dietary Supplement for Management of Halitosis in Dogs

Published on: July 6, 2015

[Halitosis in oral diseases].

D N Bakhmutov, O I Kharchenko, O O Ianushevich

    Stomatologiia
    |June 9, 2012
    PubMed
    Summary

    This study measured volatile sulfur compounds and amines in breath to identify causes of halitosis. Results aid in differentiating various oral conditions linked to bad breath.

    Area of Science:

    • Biochemistry
    • Oral Medicine
    • Analytical Chemistry

    Context:

    • Halitosis, or bad breath, is a common condition with various underlying causes.
    • Volatile sulfur compounds (VSCs) and amines are known contributors to oral malodor.
    • Accurate diagnosis is crucial for effective treatment of halitosis.

    Purpose:

    • To quantify specific volatile compounds, including hydrogen sulfide, methanethiol, dimethyl sulfide, putrescine, and cadaverine, in the exhaled air of individuals with different oral diseases.
    • To establish concentration profiles of these compounds associated with specific oral pathologies.
    • To explore the utility of these biomarkers in the differential diagnosis of halitosis.

    Summary:

    • The study analyzed exhaled breath for the presence and concentration of hydrogen sulfide, methanethiol, dimethyl sulfide, putrescine, and cadaverine.

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    Published on: October 20, 2011

    Oral Health Assessment by Lay Personnel for Older Adults
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    Therapeutic Effectiveness of a Dietary Supplement for Management of Halitosis in Dogs
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    Oral Biofilm Analysis of Palatal Expanders by Fluorescence In-Situ Hybridization and Confocal Laser Scanning Microscopy
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  • Measurements were correlated with various diagnosed oral diseases.
  • Distinct concentration patterns of these volatile compounds were observed across different oral conditions.

    • Impact:

    • The findings provide valuable data for distinguishing the specific origins of halitosis.
    • This research can contribute to the development of more targeted diagnostic tools for oral malodor.
    • Understanding the biochemical markers of oral diseases can improve patient management and treatment strategies.