A Periodontal Expert: Astra® Dental Implant System

The Astra Tech implant system is developed with a biological and biomechanical approach. It is a well-documented simple and reliable system of minimum components and maximum flexibility:

1.One system for all indications
2.Developed for both one-stage and two-stage surgery
3.Designed for immediate or early loading
The system is based on three core features: Conical Seal Design™ abutment connection, the original MicroThread™ implant neck and the unique OsseoSpeed™ surface.

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OsseoSpeed™ is a well-documented, fluoride-modified fixture surface that speeds up the bone healing process. The result is more bone in less time. Despite the proven success of our highly effective TiOblast™ surface, we started to ask ourselves if rough really is enough? What if we could develop a surface that actually speeds up the bone healing process? The result is OsseoSpeed – an innovative, biologically-based bone trigger, perfect for all your dental implant patients.
MicroThread™–a dynamic mechanical coupling
A thorough understanding of bone physiology is vital to optimal implant design. Bone tissue is designed to carry loads. To retain bone, dental implants must be designed to mechanically stimulate the surrounding bone. What’s more, the most critical part of the implant-bone interface is located at the marginal cortical bone where the peak stresses arise. This is why the neck of the fixture is designed with MicroThread™ – very minute threads that offer optimal load distribution and lower stress values.
Conical Seal Design™ –strong and stable fit
The tight and precise-fitting implant-abutment relation of the Conical Seal Design™ makes abutment connection a quick and simple procedure. The abutment is self-guiding and the installation procedure is non-traumatic, eliminating the risk of damage to the bone. Compared to a flat-to-flat design that creates high stress concentration at the bone margin, the Conical Seal Design transfers the load deeper down in the bone–reducing peak stresses. The Conical Seal Design also seals off the interior of the fixture from the surrounding tissues. It minimizes micro-movements and micro-leakage. This simplifies maintenance and ensures reliability in all clinical situations.

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