Trilogy ˛  Acetabular System. The Trilogy Acetabular System, including titanium alloy shells, polyethylene liners, screws and instruments, is a prominent acetabular cup system. The Trilogy family of products offers patients and surgeons innovative options and versatile component designs and instrumentation. One option, the Longevity ˛  Highly Crosslinked Polyethylene Liner, is designed to reduce polyethylene debris associated with reconstructive implants. Polyethylene debris may cause the degeneration of bone surrounding reconstructive implants, a painful condition called osteolysis. The Trilogy  Acetabular System also features a variety of top-quality fixation surfaces with a successful long-term history, including the application of fiber metal, a titanium fiber mesh to biologically fix implants; these are porous implants that do not require bone cement because bone can actually grow into, and onto, the implant surface. The Company has augmented and continues to augment its offerings of porous reconstructive hip implants through the introduction of Trabecular Metal Technology. The Company launched the Trabecular Metal  Revision Acetabular Shell in late 2003. This cup used in hip revision surgery incorporates Trabecular Metal material for two to three times the porosity of other cups, enabling extensive tissue ingrowth and strong attachment. The Trabecular Metal Revision Acetabular Shell cup system is integrated with Trilogy family acetabular liners. 

Metasul ˛  Metal-on-Metal Technology. Developed and refined in Europe for over 40 years, the Metasul Technology implant provides a metal-on-metal articulation option for total hip patients and surgeons. The Metasul implant features a conventional plastic polyethylene insert with a cobalt chrome metal inlay. This design helps minimize wear over time, potentially increasing the longevity of the implant. 

Durom $^{TM}$ Hip Resurfacing System. This product is particularly suited to younger patients since it preserves the patient’s healthy bone stock. A primary objective of this system is to allow the patient to return to an active lifestyle. The Durom system uses the highly wear resistant Metasul Technology as the bearing surface for the implant design. 

## Elbow and Shoulder Implants 

The Coonrad/Morrey Total Elbow product line is a family of elbow replacement implant products which have helped the Company establish itself in the global elbow implant market. Similarly, the Bigliani/Flatow ˛  The Complete Shoulder Solution product line gives the Company a significant presence in the global shoulder implant market. These systems are designed to treat arthritic conditions and fractures as well as to enhance the outcome of primary or revision surgery. In 2003, the Trabecular Metal surface glenoid component began a limited clinical evaluation phase. Both the Coonrad/Morrey and Bigliani/Flatow systems offer surgeons a wide variety of implants and instrumentation to accommodate differing surgical philosophies and patient needs with innovative line extensions being introduced to the market for continued growth of these brands. 

The modular Anatomical Shoulder implant can be tailored to each patient’s individual anatomy. This allows a more advanced rehabilitation and an expanded radius of movement while placing fewer demands on the soft tissues and on the anchoring of the prosthesis. This product provides a simple operating technique that places fewer limiting factors on the success of the surgery. The unique design of the Anatomical Shoulder provides additional options in third generation shoulder arthroplasty. 

## Dental Reconstructive Implants 

The Company’s dental products, which were acquired as part of the Centerpulse acquisition, consist of implants used for treating edentulous patients, as well as regenerative materials, periodontal membranes and bone grafting products used to restore hard tissue in the mandible and maxilla. The Company’s dental products and surgical and restorative techniques include, among others: 

Tapered Screw-Vent ˛  System. The Company’s largest selling dental product line provides the clinician a tapered geometry which mimics the natural shape of a tooth root. The Tapered Screw-Vent system, with its two-stage design, was developed and designed to minimize valuable chair time for restorations even in the most challenging locations. Featuring a patented internal hex connection, multiple lead threads for reduced insertion time and selective surface coatings, the Tapered Screw-Vent product is a technologically advanced dental implant offering features which allow the clinician to meet the needs of patients even in the most demanding circumstances. 

AdVent $^{TM}$ Product. Utilizing many features of the Tapered Screw-Vent  system, the AdVent product is a transgingival, one stage, design that utilizes the same surgical system as the Tapered Screw-Vent system, allowing the clinician to use both design concepts without incurring the added cost of a second surgical system. 

Tapered SwissPlus $^{TM}$ System. Designed to meet the needs of clinicians who prefer a transgingival, one stage, dental implant design, the Tapered SwissPlus ˛  system incorporates innovative multiple lead threads for faster insertion time, and a tapered body to allow it to be placed in tight interdental spaces. The Tapered SwissPlus system also incorporates a unique internal connection which has become a preferred type of connection amongst clinicians. 

SmartSteps $^{TM}$ Program. An increasing request of patients to their clinicians is to have a restoration in place after the time of surgery so that they have a more pleasing smile. The Company has developed the SmartSteps  program which teaches clinicians how to use simple surgical and restorative techniques to provide the patient a temporary restoration the day of surgery. 

## Dental Restorative Products 

In 2003, the Company continued development efforts concerning products for the aesthetic restorative market aimed at providing a more natural restoration. The following 

