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Related Concept Videos

Assessment of the Mouth01:26

Assessment of the Mouth

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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Related Experiment Video

Updated: Jun 17, 2026

Measuring the Complete-arch Distortion of an Optical Dental Impression
06:51

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Augmented-reality-assisted intraoral scanning: An andragogical study.

Seung Jun Song1, Brynn Gwartzman2, Derek Lee2

  • 1Division of Prosthodontics, Columbia University College of Dental Medicine, New York, New York, USA.

Journal of Prosthodontics : Official Journal of the American College of Prosthodontists
|November 8, 2025
PubMed
Summary

Augmented-reality-assisted intraoral scanning (ARIOS) demonstrated improved scanning efficiency and user preference over traditional intraoral scanning (IOS). Training significantly enhanced operator proficiency with ARIOS, making it a more ergonomic and user-friendly option.

Keywords:
augmented realitydata accuracydental educationdental impression techniqueergonomicsmixed reality glassesoptical‐see‐through head‐worn‐display (ost‐hwd)prosthodontics

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Area of Science:

  • Dental Technology
  • Digital Dentistry
  • Medical Simulation

Background:

  • Intraoral scanning (IOS) has become a standard in digital dentistry.
  • Augmented-reality-assisted intraoral scanning (ARIOS) presents a novel approach to enhance the IOS workflow.
  • Evaluating new technologies is crucial for advancing dental procedures.

Purpose of the Study:

  • To compare scanning time, image count, and precision between ARIOS and IOS.
  • To assess participant-related outcomes, including user experience and workload, for both scanning methods.
  • To determine the impact of andragogical training on operator proficiency with ARIOS.

Main Methods:

  • A within-subject experimental design compared ARIOS and IOS in 25 dental students.
  • Participants performed multiple optical scans of a typodont under both conditions after a familiarization session.
  • Data collected included scanning time, image count, scan data precision (RMS), and subjective feedback via surveys (including NASA-TLX).

Main Results:

  • ARIOS showed a statistically significant decrease in scanning time (mandibular: 8.5%, maxillary: 10.5%) and image count (mandibular: 8.6%, maxillary: 9.3%) compared to IOS.
  • Scan data precision, measured by RMS, was comparable between ARIOS and IOS.
  • A 7:3 preference for ARIOS was observed in participant exit surveys, with ARIOS rated higher for ergonomics, ease of use, and overall workload.

Conclusions:

  • Andragogical training effectively improved operator proficiency with ARIOS.
  • ARIOS offers significant advantages in scanning efficacy, ergonomics, ease of use, and reduced overall workload compared to traditional IOS.
  • ARIOS represents a promising advancement in intraoral scanning technology for dental education and practice.