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

You might also read

Related Articles

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

Sort by

Same author

Clinical Parameters, Subgingival Microbiota, and MMP-8 Expression in Dental Implants and Homologous Teeth: Insights into Peri-Implant and Periodontal Health.

Brazilian dental journal·2026

Same author

Dental Arch Expansion With In-House Clear Aligners: An Exploratory Prospective Clinical Study on Torque, Vertical Control and Attachment Configuration.

Orthodontics & craniofacial research·2026

Same author

Dentoalveolar Changes in the Premolar Region After Two Maxillary Expansion Protocols.

Orthodontics & craniofacial research·2026

Same author

Does the Use of Methylphenidate Affect Bone Health? A Systematic Review and Meta-analysis of Preclinical Studies.

Calcified tissue international·2025

Same author

Comparison Between Direct, Virtual Aided by Clinician and Artificial Intelligence Bonding Techniques in Orthodontics.

Orthodontics & craniofacial research·2025

Same author

Influence of social media on the choice of orthodontist and different types of orthodontic treatment.

The Angle orthodontist·2025

Search research articles

Related Experiment Video

Updated: Jan 7, 2026

Author Spotlight: 3D Movement Assessment of Maxillary Posterior Teeth in Clear Aligner Treatment

Author Spotlight: 3D Movement Assessment of Maxillary Posterior Teeth in Clear Aligner Treatment

Published on: February 23, 2024

Third Palatal Rugae as Stable Landmarks for Intraoral Models' Superimposition in Extraction Cases: A Retrospective

Carolina Morsani Mordente¹, Lorenna de Souza Dores¹, Dauro Douglas Oliveira¹

¹Pontifical Catholic University of Minas Gerais, Belo Horizonte, Brazil.

Orthodontics & Craniofacial Research

|December 25, 2025

Summary

The third palatal rugae are validated as reliable landmarks for superimposing maxillary digital models in premolar extraction cases. This method accurately assesses short-term dental changes following incisor retraction.

Keywords:

cone‐beam computed tomography diagnostic imaging orthodontic tooth movements palate rugae tooth extraction

More Related Videos

A Postoperative Evaluation Guideline for Computer-Assisted Reconstruction of the Mandible

A Postoperative Evaluation Guideline for Computer-Assisted Reconstruction of the Mandible

Published on: January 28, 2020

Author Spotlight: Development of a Novel Finite Element Analysis Model for Improved Orthognathic Surgical Techniques

Author Spotlight: Development of a Novel Finite Element Analysis Model for Improved Orthognathic Surgical Techniques

Published on: October 20, 2023

Related Experiment Videos

Last Updated: Jan 7, 2026

Author Spotlight: 3D Movement Assessment of Maxillary Posterior Teeth in Clear Aligner Treatment

Author Spotlight: 3D Movement Assessment of Maxillary Posterior Teeth in Clear Aligner Treatment

Published on: February 23, 2024

A Postoperative Evaluation Guideline for Computer-Assisted Reconstruction of the Mandible

A Postoperative Evaluation Guideline for Computer-Assisted Reconstruction of the Mandible

Published on: January 28, 2020

Author Spotlight: Development of a Novel Finite Element Analysis Model for Improved Orthognathic Surgical Techniques

Author Spotlight: Development of a Novel Finite Element Analysis Model for Improved Orthognathic Surgical Techniques

Published on: October 20, 2023

Area of Science:

Orthodontics and Dental Imaging
Biomaterials and Biomedical Engineering

Background:

Accurate superimposition of serial dental models is crucial for evaluating orthodontic treatment outcomes.
Traditional methods can be time-consuming and may lack precision.
Digital imaging offers potential for improved accuracy and efficiency in dental model analysis.

Purpose of the Study:

To validate the efficacy of the third palatal rugae as stable reference landmarks for superimposing maxillary digital models.
To assess the accuracy of digital superimposition using palatal rugae compared to cone-beam computed tomography (CBCT) in premolar extraction cases.

Main Methods:

Maxillary digital models from 22 patients undergoing premolar extraction and incisor retraction were scanned intraorally before (T0) and after (T1) treatment.
Automated best-fit superimposition using third palatal rugae and palatine raphe was performed.
Voxel-based registration of CBCT scans served as the gold standard for comparison.

Main Results:

Mean differences (mismatch) between intraoral scan and CBCT superimposition methods were minimal, generally below 0.2 mm for both central incisors and cuspids.
No statistically significant differences were found between the two superimposition methods.
The third palatal rugae demonstrated high stability and accuracy as reference landmarks.

Conclusions:

Digital superimposition utilizing third palatal rugae from intraoral scans is a valid and accurate method.
This technique allows for reliable 3D evaluation of short-term dental changes in the anterior maxilla after premolar extraction and incisor retraction.