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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
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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.
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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.
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Precision of In Vivo Quantitative Tooth Wear Measurement Using Intra-Oral Scans
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Comparison of digital and visual tooth shade selection.

Sabrin Abu-Hossin1, Yonca Onbasi1, Lara Berger1

  • 1Department of Prosthodontics, Erlangen University Hospital, Erlangen, Germany.

Clinical and Experimental Dental Research
|February 13, 2023
PubMed
Summary

Digital intraoral scanners offer a supplementary method for dental shade selection, but visual confirmation remains essential for accuracy. While scanners show moderate agreement, their clinical integration requires further accuracy improvements for reliable esthetic results.

Keywords:
Cerec OmnicamTrios 3intraoral scannershade selectiontooth colorvisual shade selection

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Area of Science:

  • Dentistry
  • Digital Imaging
  • Esthetic Dentistry

Background:

  • Accurate dental shade selection is crucial for esthetic restorations.
  • Visual shade matching is the traditional method, but can be subjective.
  • Digital methods using intraoral scanners are emerging as alternatives.

Purpose of the Study:

  • To compare digital shade selection with visual methods.
  • To assess the repeatability of intraoral scanners for color determination.
  • To evaluate the agreement between different digital shade selection tools.

Main Methods:

  • Tooth color was determined visually and digitally using Trios 3 and Cerec Omnicam scanners.
  • Repeatability of scanners was assessed through three measurements.
  • Statistical analysis included Cohen's κ for method comparison and Fleiss' κ for repeatability.

Main Results:

  • Visual shade selection showed slight agreement with both Trios 3 and Cerec Omnicam.
  • Moderate agreement was observed between Trios 3 and Cerec Omnicam.
  • Trios 3 demonstrated higher overall repeatability compared to Cerec Omnicam.

Conclusions:

  • Intraoral scanners can aid dental shade selection but require visual confirmation.
  • Digital instruments are increasingly adopted in clinical practice.
  • Improving intraoral scanner accuracy for color selection is vital for offering reliable alternatives to visual methods.