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Forsus™ Fatigue Resistant Device

Forsus™ Fatigue Resistant Device EZ2 Module

Options to correct Class II malocclusions have traditionally been limited to products that are easy to install but require patient compliance or products that are fixed but can be difficult to work with.

Fatigue Resistant by Design

The unique coaxial spring design of the Forsus™ Fatigue Resistant Device addresses the issue of fatigue failure1 - a fracture caused by repeated application of stresses in the coil spring.2 To maximise fatigue life, the Forsus Fatigue Resistant Device is designed to keep these stresses to a minimum.

The Forsus™ EZ2 Module enhances the ease of installation offered by the original EZ Module with features that increase its ability to withstand higher forces in the mouth.1 Its increased strength and the new engravings that indicate Left and Right, make the Forsus EZ2 module even more practical and easy to use.

Efficiency in Installation

The easy-to-install, "click-in-place" clip of the Forsus EZ2 module is the latest innovation in the development of Class II Correctors.3 With the Forsus EZ2 module, you have a fixed device that installs easily and resists breakage once engaged.3 The Forsus EZ2 module provides a uniquely designed clip that "clicks" easily into a standard buccally-offset occlusal headgear tube by simply inserting it with any Weingart style plier.3 Mesial and distal stops on the clip assure a secure fit. This soultion that has the potential to improve your productivity and reduce uncomfortable patient chairtime with a simple "click". 4

The strength and security of the Forsus EZ2 module is complemented by its design for patient comfort.4 A stability plate that fits under the headgear tube prevents the Forsus EZ2 module from "rolling" and causing patient discomfort due to soft tissue irritation.5

Efficiency in Treatment

The Forsus EZ2 module builds on the reputation of the Forsus Fatique Resistant Device as an innovative, reliable solution for Class II cases. Treatment efficiency is enhanced by the fatigue resistance and consistent, long-lasting forces delivered by the appliance.6 The fatigue resistance translates to a reduction in breakage, which can indicate a reduction of unscheduled spring-replacement appointments. Consistent forces yield more predictable outcomes in less time than you might require for other Class II Correctors, without the need for patient compliance.



  1. 3M Unitek data on file, 3M Unitek Claim DB Centre “Forsus(TM) Fatigue Resistant Device EZ2 Modules can withstand more than two-and-a-half times the lateral force than the original Forsus EZ Modules could”, Claim Number: 2008 - S10270
  2. 3M Unitek data on file, 3M Unitek Claim DB Centre “Forsus(TM) Correctors are fatigue resistant, providing a consistent level of force throughout treatment.”, Claim Number: 2008 - S10269
  3. 3M Unitek data on file, 3M Unitek Claim DB Centre “Forsus(TM) Correctors work automatically, in that they do not require the patient to remove, install or adjust the device while the device is installed in order for it to work properly.” Claim Number: 2008 - S10262
  4. 3M Unitek data on file, 3M Unitek Claim DB Centre “Forsus(TM) Correctors can be installed in one appointment.” Claim Number: 2008 - S10267
  5. 3M Unitek data on file, 3M Unitek Claim DB Centre “Forsus(TM) Correctors are an aesthetic means of correcting Class II, as the entire device is contained inside the mouth, located in the posterior of the mouth, without making any significant bulges in the cheeks.”, Claim Number: 2008 - S10265
  6. 3M Unitek data on file, 3M Unitek Claim DB Centre “The spring module of Forsus(TM) Class II Correctors, when matched with the proper length of push rod as measured per the instructions for use, is working around the clock to meet treatment goals without the need for cooperation or intervention”, Claim Number: 2009 - S10309


Forsus™ Fatigue Resistant Device TechGuide 01-Introduction (X-SHOCKWAVE-FLASH 5.4 MB)
Forsus™ Fatigue Resistant Device TechGuide 02-Advanced Prep (X-SHOCKWAVE-FLASH 2.9 MB)
Forsus™ Fatigue Resistant Device TechGuide 03-Install Options (X-SHOCKWAVE-FLASH 1.8 MB)
Forsus™ Fatigue Resistant Device TechGuide 04-L-Pin Install (X-SHOCKWAVE-FLASH 1.4 MB)
Forsus™ Fatigue Resistant Device TechGuide 05-EZ2 Install (X-SHOCKWAVE-FLASH 1.7 MB)
Forsus™ Fatigue Resistant Device TechGuide 06-Pushrod Install (X-SHOCKWAVE-FLASH 3.0 MB)
Forsus™ Fatigue Resistant Device TechGuide 07-Reactivation (X-SHOCKWAVE-FLASH 1.1 MB)
Forsus™ Fatigue Resistant Device TechGuide 08-Removal (X-SHOCKWAVE-FLASH 2.7 MB)
Forsus™ Fatigue Resistant Device TechGuide 09-Pushrod Removal (X-SHOCKWAVE-FLASH 1.1 MB)
Forsus™ Fatigue Resistant Device TechGuide 10-Conclusion (X-SHOCKWAVE-FLASH 1.4 MB)

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