The Morelli Micro Expander is a compact expansion screw made entirely of stainless steel, offered as a treatment option for mandibular atresia. It promotes dentoalveolar movement for transverse expansion of the lower arch and is activated by means of a central screw.
Key Features
Stainless steel body — made entirely of stainless steel, guaranteeing high resistance
Anti-reverse mechanism — a brake bushing prevents the screw from returning unintentionally, securely locking the activation reached
Activation through a central screw
Small size — installs on the lingual side of the anterior teeth, with the stems anchored in bands
Two opening sizes — available with 9 mm or 11 mm of opening
Safety swivel key — a long stem wrench supplied with the expander
Technical Specifications
Material: Stainless Steel
Opening: 9 mm or 11 mm, according to the option selected
Activation: Central screw with anti-reverse brake bushing
Installation: Lingual side of the anterior teeth, with the stems anchored in bands
Movement Type: Dentoalveolar
Purpose: Transverse expansion of the lower arch
Certifications: FDA Approved, CE Approved, ISO 9001:2015, ISO 13485:2016
Country of Manufacture: Brazil
Package Includes: One micro expander and one safety swivel key (long stem wrench)
Clinical Applications
Severe crowding of the lower teeth — expansion of the lower arch to create space
Mandibular atresia — transverse dentoalveolar expansion of the mandible
Palatal expansion — may also be applied to the maxilla when the orthodontist so chooses
Need controlled expansion of the lower arch?
The Micro Expander delivers transverse dentoalveolar expansion from a small stainless steel body, with a brake bushing that holds every activation in place.
