EF Class III
EF Class III is a device especially designed for treating Class III malocclusions. It prevents any anterior sliding of the mandible and frees the premaxilla. Its raised buccal wings (Lip Bumper) act on the perioral musculature.
Specificities
• Indents from 3 to 3 upper
• Raised maxillary bumpers
• 2 mm overiet between arches.
Indications
• Class III.