CATEGORY 38 AUSTRALASIAN DENTIST Introduction BioHorizons Implant Systems Inc. launched the Tapered Pro Conical (TPC) system in June 2024, entering the deep conical connection market. In line with the company’s mission to produce innovative yet evidencebased medical devices, TPC combines the design of the Tapered Pro implant line with the proven CONELOG® connection. Key technological features from BioHorizons® and Camlog® were merged with patented innovations for surgical drill designs used in guided and freehand workflows to present a comprehensive solution for clinicians and patients. This paper examines the unique benefits of the PRO Guided Surgical Kit (PRO5000), Freehand Surgical Kit (FSK5000), Tapered Pro Conical and Tapered Short Conical (TSC) implants, and SmartShape® Healers. Surgical Workflow Implant surgical site preparation is performed either by a guided (digital) protocol using 3D printed surgical guides to ensure optimal implant orientation or via a freehand (analog) procedure. Both guided and freehand approaches are supported by BioHorizons surgical kits, PRO5000 and FSK5000, respectively. Both kits are thoughtfully designed to: u Simplify the procedures through their organized, color-coded layout and corresponding instruments u Increase flexibility and efficiency with new instrumentation and surgical approaches u Allow for personalization of the kit with provided spare slots for specialized instruments Guided Surgical Protocol (PRO5000) The PRO5000 Guided Surgical Kit streamlines the implant placement protocol by offering a comprehensive, keyless guided solution that ensures accuracy and efficiency.1 Central to its design is the guide adapter, which eliminates the need for bulky keys (Figure 1a) and the need to utilize two hands for one drilling step, i.e., drilling with the PRO5000 guide adapter can be completed with one hand. A single guide adapter, which corresponds to the diameter of the implant, is connected to the handpiece through an ISO shank for the entire drilling sequence (Figure 1b). The guide adapter directly aligns with the master cylinder in the surgical guide, reducing the risk of stacked tolerances between various components (e.g., added drill guides). Reusability and endurance of the guide adapter’s snap-in retention feature (Figure 2) was exhaustively tested with the heaviest drill for over 790 cycles, an estimated 100 guided surgeries.2 A total of 22 samples were included based on a 90% confidence interval. Testing aimed to verify that the retention of the drill to the guide adapter is sufficient to prevent any unintentional disconnection, due to gravity, when used clinically and repeatedly. All samples not only passed the test, but exceeded the minimal force established by BioHorizons via Equation 1: Equation 1 Force = m × g × S.F. Where: m = mass of the heaviest drill, g = gravitational acceleration, and S.F. = safety factor of 2 Extrapolating the trendline to 4,000 cycles, which represents approximately 5 years of clinical use, retention values still exceeded the minimal force deemed clinically acceptable for the retention of the drills to the guide adapters, ensuring component retention and vastly reducing the risk of aspiration or ingestion of sharp surgical devices during operation.2 Progressing through the surgical procedure in a depth increasing manner, CLINICAL Key Technological Features of the BioHorizons Tapered Pro Conical System By Matison Hurt, BS1, Danielle Berryhill, PhD2, Rana Atieh, MS3 1 . Research Engineer, BioHorizons 2 . Clinical Affairs Specialist II, BioHorizons 3. Director, Research Engineering, BioHorizons A B Figure 1: (a) Traditional drill guide setup; (b) optimized guide adapter eliminates the need for additional drill guides, thus (1) reducing the number of stacked components within the master cylinder and (2) minimizing the risk of binding between sharp drills and drill guides. Figure 2: Representative test set up with superimposed CAD models depicting a drill ISO shank (a) disengaged and (b) engaged into the guide adapter. A B
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