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Related Concept Videos

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Dilated Composite Odontoma in a Mesiodens.

Aakriti Chandra1, Nilima Thosar1, Ramakrishna Yeluri1

  • 1Department of Pediatric and Preventive Dentistry, Datta Meghe Institute of Higher Education and Research, Wardha 442001, Maharashtra, India.

Diagnostics (Basel, Switzerland)
|September 27, 2025
PubMed
Summary

Dens invaginatus, a rare tooth anomaly, can occur within a mesiodens, a supernumerary tooth. This unique case highlights the diagnostic and treatment challenges of this extremely rare dental malformation.

Keywords:
anterior teethdens in dentemesiodenssupernumerary teeth

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Area of Science:

  • Dentistry
  • Oral Pathology
  • Developmental Biology

Background:

  • Dilated composite odontoma, also known as dens invaginatus or "tooth within a tooth", is a rare developmental anomaly.
  • It results from infolding of the enamel organ during tooth development, often leading to complications such as caries and pulp infections.
  • Dens invaginatus typically affects the upper lateral incisors with a Type I morphology.

Purpose of the Study:

  • To report an extremely rare case of dens invaginatus occurring within a mesiodens.
  • To discuss the diagnostic and treatment challenges associated with this rare co-occurrence.

Main Methods:

  • Case report presentation.
  • Review of relevant dental literature.

Main Results:

  • A unique case of dentin invagination (dens invaginatus) was identified within a mesiodens (a supernumerary tooth).
  • The co-occurrence of these two rare dental anomalies presents significant diagnostic and management complexities.

Conclusions:

  • The coexistence of dens invaginatus and mesiodens is exceptionally rare.
  • This case underscores the importance of thorough diagnostic evaluation for complex dental anomalies.