Related Experiment Video
Updated: Jun 16, 2026
07:32
Measuring Maxillary Posterior Tooth Movement: A Model Assessment using Palatal and Dental Superimposition
Published on: February 23, 2024
Three-dimensional analysis of maxillary protraction with intermaxillary elastics to miniplates
Gavin C Heymann1, Lucia Cevidanes, Marie Cornelis
1heymanng@gmail.com
Summary
This study suggests that using intermaxillary elastics with temporary anchorage devices (TADs) can effectively advance the maxilla in Class III patients. This method shows promise for favorable skeletal changes without adverse dentoalveolar effects.
Area of Science:
- Orthodontics
- Craniofacial Surgery
- Dental Research
Background:
- Class III malocclusion often requires early intervention.
- Traditional reverse-pull headgear can cause undesirable dentoalveolar changes.
- Temporary anchorage devices (TADs) offer alternative orthodontic mechanics.
Purpose of the Study:
- To evaluate the efficacy of intermaxillary elastics anchored to TADs for Class III treatment.
- To compare skeletal and dentoalveolar effects with traditional methods.
- To assess the potential of TADs to mitigate unwanted side effects.
Main Methods:
- Six Class III patients with maxillary deficiency were treated using intermaxillary elastics to titanium miniplates.
- Cone-beam computed tomography (CBCT) was used for 3D volumetric analysis.
- Superimposition on stable cranial base structures quantified treatment-induced changes.
Main Results:
- Intermaxillary elastic forces influenced the entire nasomaxillary complex.
- All patients demonstrated improved skeletal relationships, mainly via maxillary advancement.
- Minimal effects were observed on dentoalveolar units and mandibular position.
Conclusions:
- Intermaxillary elastics anchored to TADs represent a promising approach for Class III correction.
- This method may achieve skeletal improvements while minimizing dentoalveolar alterations.
- Further research is warranted to validate these findings.
