Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Electronic Distance Measuring Instruments

Electronic Distance Measuring Instruments

Electronic Distance Measuring Instruments (EDMs) are essential tools in modern surveying, offering precise distance measurements by emitting electromagnetic signals and calculating the time required for these signals to travel to a target and return. Two primary types of signals are used in EDMs — light waves and microwaves — each suited to specific environmental and distance requirements. Light-wave-based EDMs utilize either infrared or laser light, providing high accuracy over short distances...

Three-Dimensional Microscopy in Microbiology

Three-Dimensional Microscopy in Microbiology

Three-dimensional imaging techniques are essential in cell biology, allowing researchers to visualize intricate cellular structures with high resolution. Two prominent methods, Differential Interference Contrast Microscopy (DIC) and Confocal Scanning Laser Microscopy (CSLM), provide distinct advantages for imaging live and thick specimens, respectively.Differential Interference Contrast MicroscopyDIC microscopy enhances contrast in transparent, unstained samples by converting phase...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Virtual reality assessment of cognitive performance in adults with ADHD and problematic internet use: a pilot study.

Frontiers in psychology·2026

Same author

Peripheral nerve conduction in youth with type 1 diabetes: A longitudinal analysis of clinical and glycemic predictors.

Diabetic medicine : a journal of the British Diabetic Association·2026

Same author

Management of Complex Three-Wall Orbital Fractures with Digital Planning and Patient-Specific Two-Piece Implants.

Medicina (Kaunas, Lithuania)·2026

Same author

Circulating miRNAs in pediatric obesity: a single-center exploratory study of their potential association with renal function.

Frontiers in molecular biosciences·2026

Same author

Physicochemical Stability of Dentin-Derived Biomaterials During Long-Term Storage.

Journal of functional biomaterials·2026

Same author

Minimally Invasive (MINST) Versus Conventional Non-Surgical Therapy for Residual Pockets in Patients With Periodontitis: A Randomized Clinical Trial.

Journal of periodontal research·2026

Search research articles

Related Experiment Video

Updated: Jun 13, 2026

Accuracy in Dental Medicine, A New Way to Measure Trueness and Precision

Accuracy in Dental Medicine, A New Way to Measure Trueness and Precision

Published on: April 29, 2014

Precision in Facial Measurements: Comparative Analysis Between a Digital 3D Scanner and an Analog Instrument.

Francesco Puleio¹, Giorgio Lo Giudice¹, Angela Alibrandi²

¹Department of Biomedical and Dental Sciences and Morphofunctional Imaging, Messina University, 98122 Messina, Italy.

Dentistry Journal

|September 26, 2025

Summary

Digital 3D facial scanning shows accuracy comparable to calipers for measurements under 6.5 cm. However, for larger facial measurements, the digital scanning technique exhibits significant deviations, necessitating hybrid approaches for clinical precision.

Keywords:

3D scan dental scanner facial scanner morphometrics photogrammetry stereophotogrammetry surface imaging

More Related Videos

Measuring the Complete-arch Distortion of an Optical Dental Impression

Measuring the Complete-arch Distortion of an Optical Dental Impression

Published on: May 30, 2019

Precision of In Vivo Quantitative Tooth Wear Measurement Using Intra-Oral Scans

Precision of In Vivo Quantitative Tooth Wear Measurement Using Intra-Oral Scans

Published on: July 12, 2022

Related Experiment Videos

Last Updated: Jun 13, 2026

Accuracy in Dental Medicine, A New Way to Measure Trueness and Precision

Accuracy in Dental Medicine, A New Way to Measure Trueness and Precision

Published on: April 29, 2014

Measuring the Complete-arch Distortion of an Optical Dental Impression

Measuring the Complete-arch Distortion of an Optical Dental Impression

Published on: May 30, 2019

Precision of In Vivo Quantitative Tooth Wear Measurement Using Intra-Oral Scans

Precision of In Vivo Quantitative Tooth Wear Measurement Using Intra-Oral Scans

Published on: July 12, 2022

Area of Science:

Dentistry
Medical Imaging
Biometrics

Background:

Accurate facial proportion analysis is crucial for effective dental therapeutic planning.
Digital scanning technologies offer potential advancements in facial measurements.
Evaluating the precision of these digital tools against traditional methods is essential.

Purpose of the Study:

To assess the accuracy of the Planmeca ProFace 3D scanner.
To compare digital measurements from the scanner with analog caliper measurements.
To determine the reliability and agreement between the two measurement techniques.

Main Methods:

A comparative cross-sectional study involving seven patients.
Measurement of fourteen standardized facial landmarks using both digital scanning and analog calipers.
Grouping measurements into small (≤6.5 cm) and large (>6.5 cm) categories for analysis.
Statistical analysis using paired t-tests, Cronbach's Alpha, and Bland-Altman analysis.

Main Results:

Statistically significant differences were found between digital and analog measurements for both small (p=0.016) and large (p=0.001) distances.
High reliability was observed for small measurements (Cronbach's Alpha = 0.982), but low reliability for large measurements (Cronbach's Alpha = 0.270).
Bland-Altman analysis indicated a positive proportional bias, with increasing differences for larger facial measurements.

Conclusions:

Digital facial scanning provides overlapping accuracy with analog methods for measurements ≤6.5 cm.
Significant deviations occur with digital scanning for measurements >6.5 cm.
A hybrid approach or compensatory strategies are recommended to ensure clinical precision in digital facial analysis.