The Morelli Micro Screw 6.5mm is a reduced-body orthodontic expansion screw rated for a 6.5 mm opening. Its compact 10.5 mm frame is intended for appliances with restricted space for the screw body.
Key Features
Reduced body — measures 10.5 mm × 4.6 mm × 3 mm, keeping the mechanism inside a small envelope
6.5 mm opening — rated at a 6.5 mm opening, with a 4 mm expansion dimension
Anti-reverse mechanism — the mechanism keeps the screw from turning back on its own once it has been advanced
Secure locking system — the position reached after each activation is held in place
Low profile — the 3 mm thickness keeps the screw close to the appliance surface
Stainless steel build — produced in stainless steel
Technical Specifications
Material: Stainless steel
Opening: 6.5 mm
Expansion: 4 mm
Body Dimensions: 10.5 mm × 4.6 mm × 3 mm
Quantity: 1 piece
Purpose: Arch expansion in appliances with restricted space for the screw body
Certifications: FDA Approved, CE Approved, ISO 9001:2015, ISO 13485:2016
Country of Manufacture: Brazil
Package Includes: 1 expansion screw
Clinical Applications
Expansion in narrow arches where palatal space is limited.
Compact removable plates built with a thin acrylic profile.
Pediatric appliance work on small arches during mixed dentition.
Is there simply no room for a full-size screw body?
A 10.5 mm frame keeps the mechanism inside the space the appliance actually has.
