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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.
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Meiosis is a carefully orchestrated set of cell divisions, the goal of which—in humans—is to produce haploid sperm or eggs, each containing half the number of chromosomes present in somatic cells elsewhere in the body. Meiosis I is the first such division, and involves several key steps, among them: condensation of replicated chromosomes in diploid cells; the pairing of homologous chromosomes and their exchange of information; and finally, the separation of homologous chromosomes by...
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Related Experiment Video

Updated: Apr 8, 2026

Micro-dissection of Enamel Organ from Mandibular Incisor of Rats Exposed to Environmental Toxicants
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Dentin dysplasia type I - A rare entity.

Sangeeta Malik1, Swati Gupta1, Vijay Wadhwan2

  • 1Department of Oral Medicine and Radiology, Subharti Dental College, Meerut, Uttar Pradesh, India.

Journal of Oral and Maxillofacial Pathology : JOMFP
|June 23, 2015
PubMed
Summary
This summary is machine-generated.

Dentin dysplasia is a rare dental disorder affecting dentin formation, leading to premature tooth loss. This condition presents with normal enamel but abnormal dentin and pulp, often requiring detailed clinical and radiographic analysis.

Keywords:
Dentin dysplasia type Ipulpal obliterationrootless teeth

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Area of Science:

  • Dentistry
  • Oral Pathology
  • Genetics

Background:

  • Dentin dysplasia is a rare genetic disorder affecting dentin formation.
  • It is characterized by normal enamel and abnormal dentin and pulp morphology.
  • Clinical presentation often includes premature exfoliation and extreme tooth mobility.

Observation:

  • Teeth appear morphologically normal and maintain natural color.
  • Radiographic findings include obliterated pulp chambers and malformed or absent roots.
  • Periapical radiolucencies may be present despite intact tooth crowns.

Findings:

  • Atypical dentin formation and abnormal pulp morphology are key histological features.
  • The condition's rarity necessitates comprehensive case reporting.
  • Radiological evidence of root anomalies and pulp obliteration is characteristic.

Implications:

  • Understanding dentin dysplasia aids in accurate diagnosis and management of rare dental anomalies.
  • This case highlights the importance of integrating clinical, radiographic, and histological data.
  • Further research into the genetic basis and long-term outcomes of dentin dysplasia is warranted.