Meet The Reverse Margin™ Design

The Reverse Margin™ is a design feature that describes the shape of the margin built into a custom abutment and its complimentary prosthesis. It affects the direction of flow of cement during the process of intra-oral cementation. The Reverse Margin™ redirects the flow of cement away from, rather than into the tissues that surround dental implants. This margin design can be used as part of the Cement Control System™ proposed by Emil L.A. Svoboda PhD, DDS, to prevent or reduce the occurrence peri-implant disease.



Reduce Number of Infections

The Reverse Margin™ design helps control excess cement during the process of intra-oral cementation. Safer intraoral cementation is expected to reduce peri-implant disease related to residual subgingival cement and misfit implant-abutment connections. These complications are often related to current prosthesis installation procedures.

Increase Patient Satisfaction

Choosing the Reverse Margin™ design helps the dentist get better results that reduce or eliminate some of the risk factors that are known to cause failure of implant treatment. Your patients will be happier if their treatment lasts longer!

Increase Success Rate

Residual excess cement and misfit implant-abutment connections are two major risk factors known to contribute to the failure of dental implants and their attached teeth. The reduction or elimination of these contributing factors are likely to decrease failure rates. Choose the Reverse Margin™ design to make treatment better for your patients

Decrease Liability

It does not bode well for the dentist, when residual cement is detected in the peri-implant complex of a failing dental implant, or when the prosthesis installation process used, is known to cause implant-abutment misfits. Treatment failure can be expensive; maintenance of ailing-failing implants, removal of failed implants and attached prosthetics, paperwork and legal fees. Choose to use new installation protocols that reduce risk factors that are known to cause complications.

Government Quality Management System for Safer Prosthesis Installation

Featured Videos

Can We Make Intra-Oral Cementation Safer? Emil LA Svoboda. Presented at the American Academy of Implant Dentistry Meeting, Solving Implant Dilemmas, June 10, 2017. Published

Short and simple 3D animation of the Reverse Margin Feature, how it works and its benefits. Narrated by Emil LA Svoboda. May 5th, 2015. Published

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Articles and Research

Featured Articles

New Dental Implant Terminology for Exposing and Mitigating the Root Causes of Installation Related Treatment Complications

Citation: Svoboda ELA. New Dental Implant Terminology for Exposing and Mitigating the Root Causes of Installation-Related Treatment Complications. Abstract: As knowledge about dental implant treatment increases, there is a compelling need to add new words and phrases to the dental glossary to  support easier and more precise communication, and to open new frontiers for dental…

Comparing the Chamfer and Reverse Margin Systems at Preventing Submarginal Cement While Varying Crown Installation Pressure and Margin Depth

Citation: Emil LA Svoboda PHD, DDS. Anit Sharma DDS, Majid Zakari DDS Abstract: Intra-oral cementation is a common process for attaching crowns and bridges to natural teeth and dental implants. While fixed-prosthetics are cemented onto natural teeth, dental implants may also be restored by a screw-in technique. It is unfortunate that this latter installation system…

Cement Control System

It is a term used to describe a combination elements that can be used to help reduce the incidence peri-implant disease and early failure of dental implants. Study the Short Award Winning Slide Presentation to understand more.

For those who like to use “Retrievable Prosthetics” and also wish to reduce their treatment complications, consider using the “Simplified Svoboda Modification” as your favorite implant prosthesis installation technique. Read more about it here.