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The functional regulator (FR-3) of Fränkel.
American Journal of Orthodontics
|November 1, 1985
Summary
This article details the fabrication and clinical use of the FR-3 appliance for treating Class III malocclusion with maxillary retrusion. It includes fabrication steps and patient case studies for effective orthodontic treatment.
Area of Science:
- Orthodontics
- Craniofacial Development
Background:
- Class III malocclusion often involves maxillary skeletal retrusion.
- The FR-3 appliance is a common treatment modality for this condition.
Observation:
- This article provides a comprehensive guide to constructing the FR-3 appliance.
- It details essential steps including impression technique, bite registration, and model preparation.
- Clinical management protocols for the FR-3 appliance are also outlined.
Findings:
- The fabrication process of the FR-3 appliance is thoroughly described.
- Successful clinical application is demonstrated through cephalometric analysis of three patient cases.
- The study presents the practical steps for appliance construction and patient management.
Implications:
- This guide can aid orthodontists in fabricating and utilizing the FR-3 appliance effectively.
- Understanding the construction and management enhances treatment outcomes for maxillary retrusion.
- The presented cases offer valuable insights into the clinical efficacy of the FR-3 appliance.