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Related Concept Videos

Tooth Anatomy01:21

Tooth Anatomy

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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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Teeth01:15

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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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Guided Endodontics: Three-Dimensional Planning and Template-Aided Preparation of Endodontic Access Cavities
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Dental Patterns in Peruvians: A Panoramic Radiography Study.

Ivan E Perez1

  • 1Oral Radiology, CEROMA - Oral and Maxillofacial Radiology, Lima, Peru.

The Journal of Forensic Odonto-Stomatology
|February 7, 2016
PubMed
Summary

Dental patterns, unique codes for tooth conditions, aid in positive identification. This study analyzed Peruvian dental patterns from radiographs, revealing significant diversity crucial for forensic identification.

Area of Science:

  • Forensic Odontology
  • Anthropology
  • Radiology

Background:

  • Dental patterns, defined by codes for tooth conditions (virgin, missing, restored), are utilized for individual identification.
  • Comparing dental patterns aids in positive identification, particularly in forensic contexts.

Purpose of the Study:

  • To investigate and quantify the diversity of dental patterns within the Peruvian population.
  • To assess the utility of dental patterns derived from panoramic radiographs for identification purposes.

Main Methods:

  • Analysis of digital panoramic radiographs from 900 adult Peruvian patients (450 female, 450 male).
  • Determination of dental patterns across complete dentition, maxillae, mandible, and specific sextants.
  • Calculation of dental pattern diversity using Simpson's diversity index.

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Main Results:

  • The study identified specific frequent dental patterns, such as 'all-virgin-teeth' and 'all-extracted teeth', in various dental regions.
  • Simpson's diversity index values for full dentition, maxilla, and mandible exceeded 99.8%, indicating high diversity.
  • The observed diversity aligns with previously reported scientific literature.

Conclusions:

  • Dental patterns exhibit significant diversity in the Peruvian population, supporting their value in positive identification.
  • The proposed combination of codes enhances radiographic descriptions for identification.
  • This research underscores the importance of dental pattern analysis in forensic odontology.