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Related Concept Videos

Teeth01:15

Teeth

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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...
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Tooth Anatomy01:21

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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...
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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
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Related Experiment Video

Updated: Mar 29, 2026

Assessing Signaling Properties of Ectodermal Epithelia During Craniofacial Development
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Published on: March 24, 2011

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[Ectodermal dysplasia - A challenge for dentists].

Fabienne Glenz1, Carlo P Marinello

  • 1Klinik für Rekonstruktive Zahnmedizin und Myoarthropathien, Universitätskliniken für Zahnmedizin, Basel, Switzerland.

Swiss Dental Journal
|December 4, 2015
PubMed
Summary

Ectodermal dysplasias (EDs) are genetic disorders affecting skin, hair, nails, and teeth. Hypohidrotic ectodermal dysplasia (HED), the most common type, presents challenges in dental care and craniofacial development.

Keywords:
Ektodermale Dysplasiehypohidrotische ektodermale DysplasieChrist­-Siemens-­Touraine­-SyndromHEDED

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Area of Science:

  • Genetics and Developmental Biology
  • Oral and Maxillofacial Medicine
  • Dermatology

Context:

  • Ectodermal dysplasias (EDs) encompass a diverse group of genetic disorders impacting ectodermal derivatives.
  • Key affected areas include skin, hair, nails, teeth, and secretory organs.
  • Hypohidrotic ectodermal dysplasia (HED) is the most prevalent form of ED.

Purpose:

  • To highlight the clinical and genetic heterogeneity of Ectodermal Dysplasias.
  • To emphasize the diagnostic significance of dental anomalies in ED.
  • To underscore the multidisciplinary approach required for managing HED patients.

Summary:

  • HED is characterized by hypotrichosis (reduced hair), hypodontia (missing teeth), and hypohidrosis (reduced sweating).
  • Dental agenesis and delayed tooth eruption are common, often leading to the initial diagnosis of ED.
  • Management of tooth agenesis and its craniofacial impact presents significant clinical and therapeutic challenges.

Impact:

  • Early and accurate diagnosis of ED, particularly HED, is crucial for timely intervention.
  • Comprehensive dental examinations are vital for identifying ED and initiating appropriate treatment.
  • A collaborative effort among pediatricians, dentists, oral surgeons, and prosthodontists is essential for addressing the complex needs of HED patients.