The Sphero Flex by Rhein 83 is an advanced implant overdenture attachment designed to provide reliable retention and flexibility in implant-supported prosthetic restorations. This product is manufactured from high-quality titanium and treated with a titanium nitride (TiN) coating, which gives the surface exceptional durability and hardness of approximately 1600 Vickers, helping reduce wear and extend the lifespan of the attachment.
A distinctive feature of the Sphero Flex system is its self-aligning swivel sphere with a diameter of 2.5 mm. The sphere can move up to 7.5° in all directions, allowing the attachment to compensate for implant angulation and create a passive path of insertion for the prosthesis. This design helps minimize stress on implants and improves patient comfort during prosthesis placement and removal.
When used together with directional rings, the Sphero Flex attachment can correct implant divergence of up to 43° between two implants, making it an excellent solution for clinical cases where implants are not perfectly parallel. The retention mechanism is created by the coupling of the spherical abutment with color-coded retentive caps placed in a stainless-steel housing within the denture base. Different cap provide various retention levels to suit individual treatment requirements.
Compatible with virtually all implant systems available on the market, the Sphero Flex attachment offers clinicians and dental laboratories a versatile and dependable overdenture solution. Its combination of flexibility, durable TiN coating, and adjustable retention makes it ideal for achieving stable, long-term implant-retained prosthetic restorations.
Key Features Sphero Flex
Sphero Flex titanium implant attachment with TiN coating
Surface hardness of approximately 1600 Vickers for durability
Self-aligning swivel sphere (Ø 2.5 mm)
Flexibility of 7.5° in all directions for improved prosthesis insertion
Corrects implant divergence up to 43° between implants
Works with color-coded retentive caps in a stainless steel housing
Compatible with most implant systems on the market
The Sphero Flex attachment from Rhein 83 is a highly versatile overdenture solution designed to improve retention, compensate for implant angulation, and ensure predictable prosthetic performance.
Made in Italy, Rhein83









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