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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,...
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.

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Related Experiment Video

Updated: May 26, 2026

Analysis of Developing Tooth Germ Innervation Using Microfluidic Co-culture Devices
08:01

Analysis of Developing Tooth Germ Innervation Using Microfluidic Co-culture Devices

Published on: August 14, 2015

Neonatal teeth.

J Kovac1, D Kovac

  • 1Department of Stomatology and Maxilofacial Surgery, Comenius University, St. Elisabeth's Hospital, Bratislava, Slovakia. mudr.jan.kovac@gmail.com

Bratislavske Lekarske Listy
|December 21, 2011
PubMed
Summary
This summary is machine-generated.

Natal and neonatal teeth, present at birth or within the first month, can cause infant discomfort and aspiration risks. Extraction is recommended in such cases, as demonstrated in a report of two neonatal teeth in a 5-week-old infant.

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Micro-dissection of Enamel Organ from Mandibular Incisor of Rats Exposed to Environmental Toxicants
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Related Experiment Videos

Last Updated: May 26, 2026

Analysis of Developing Tooth Germ Innervation Using Microfluidic Co-culture Devices
08:01

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

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

Published on: March 29, 2018

Area of Science:

  • Dentistry
  • Pediatric Dentistry
  • Oral Surgery

Background:

  • Natal teeth are present at birth; neonatal teeth emerge within the first four weeks of life.
  • The incidence of natal and neonatal teeth ranges from 1 in 800 to 1 in 6000 births.
  • These early-emerging teeth can cause maternal discomfort and infant risks like aspiration, swallowing, and soft tissue trauma.

Observation:

  • A case report details two neonatal teeth in a five-week-old infant.
  • The teeth were located in the mandibular incisor region.
  • They were noted to be excessively mobile and caused discomfort to the nursing mother.

Findings:

  • The neonatal teeth were extracted due to significant mobility and the risk of aspiration.
  • Extraction addressed the discomfort experienced by the infant and mother.

Implications:

  • Early identification and management of natal and neonatal teeth are crucial.
  • Extraction may be necessary to mitigate risks to the infant and breastfeeding mother.
  • This case highlights the importance of timely intervention for symptomatic natal/neonatal teeth.