The Morelli Universal Screw 11 mm is an expansion screw, available as a single unit or in packs of 10, designed to be embedded in fixed or removable orthodontic appliances. Turning its central screw opens the body gradually, providing 11 mm of total opening for expansion or disjunction of the dental arches.
Key Features
11 mm total opening โ extended activation range for cases planned with substantial transverse gain.
Body dimensions of 16 x 8 x 3.5 mm โ proportioned to accommodate the full opening travel.
Central-screw activation โ each turn advances the opening in a controlled, gradual manner.
Anti-reverse mechanism โ keeps the screw from turning back once an activation has been made.
Secure locking system โ retains the opening at the position reached after activation.
Fixed or removable appliances โ universal geometry suits either laboratory design.
Activation key included โ short stem, 22.8 mm.
Two pack sizes โ available as a single unit or as a pack of 10.
Technical Specifications
Material: Stainless steel
Total Opening: 11 mm
Body Dimensions: 16 x 8 x 3.5 mm
Activation Key: Short stem, 22.8 mm
Pack Size Options: 1 unit ยท 10 units
Purpose: Expansion or disjunction of the dental arches in fixed or removable appliances
Certifications: FDA Approved, CE Approved, ISO 9001:2015, ISO 13485:2016
Country of Manufacture: Brazil
Package Includes: 1-unit pack: one (1) Morelli Universal Expansion Screw 11 mm and one (1) short-stem activation key ยท 10-unit pack: ten (10) Morelli Universal Expansion Screws 11 mm and ten (10) short-stem activation keys
Clinical Applications
Dental arch expansion built into fixed or removable appliance designs.
Disjunction of the dental arches where a wide transverse opening is planned.
Posterior crossbite correction managed over an extended activation sequence.
Planning an appliance that needs a wide opening range?
Eleven millimeters of travel in a stainless steel body, with the activation key already in the box, keeps the whole expansion sequence in one component.