WALTHAM, Mass.--(BUSINESS WIRE)--Astra Tech, leader and provider of comprehensive solutions for dental implant therapy, is pleased to announce the availability of the Atlantis™ abutments in titanium and gold-shaded titanium for the Astra Tech OsseoSpeed™ 3.0 S implant. The Conical Seal Design™ of the Astra Tech implant system is maintained in the fabrication of the Atlantis abutment to create a tight seal and provide the benefits of a strong and stable fit that helps to eliminate micro-movement and micro-leakage.