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Updated: Jul 3, 2026

Digital Hybrid Model Preparation for Virtual Planning of Reconstructive Dentoalveolar Surgical Procedures

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Published on: August 5, 2021

Augmented-reality-assisted intraoral scanning: A proof-of-concept study.

Seung Jun Song¹, Madison Tang², Brynn Gwartzman²

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

Journal of Prosthodontics : Official Journal of the American College of Prosthodontists

|March 20, 2024

Summary

This summary is machine-generated.

Augmented-reality-assisted intraoral scanning (ARIOS) offers ergonomic benefits over traditional intraoral scanning (IOS), with comparable digital cast accuracy. Participants showed a preference for ARIOS, citing improved tracking and orientation ease.

Keywords:

augmented reality data accuracy dental education dental impression technique ergonomics prosthodontics

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Area of Science:

Dental Technology
Digital Dentistry
Medical Imaging

Background:

Intraoral scanning (IOS) has revolutionized dental diagnostics and treatment planning.
Augmented reality (AR) integration into IOS aims to enhance user experience and efficiency.
Evaluating new technologies like AR-assisted intraoral scanning (ARIOS) is crucial for advancing digital dentistry.

Purpose of the Study:

To compare scanning time and image count between ARIOS and IOS.
To assess the accuracy of digital casts produced by ARIOS versus IOS.
To evaluate participant-related outcomes, including user preference and workload, for both scanning methods.

Main Methods:

A within-subject experimental design was employed with 31 dental students.
Participants performed optical scans using both ARIOS and IOS after a trial session.
Data collected included scanning duration, image count, accuracy (RMSE), and subjective feedback via surveys (NASA-TLX).

Main Results:

A preference for ARIOS was observed, with 54.8% favoring it over IOS.
Participant feedback indicated higher workload ratings for IOS, except for mental demand.
The accuracy of digital casts derived from ARIOS and IOS was comparable, with no significant difference in RMSE.

Conclusions:

ARIOS presents advantages in ergonomics, scanner tracking, and ease of orientation compared to IOS.
Participants suggested improvements for ARIOS, including more trials, a wider field of view, and better scanning status superimposition.
ARIOS shows promise for improving the intraoral scanning experience in dentistry.