Uncover the top performance of Topzir Biotech’s six ‘Tops’! Our dental zirconia blocks undergo rigorous testing and receive FDA and CNAS-approved third-party certifications to ensure their exceptional quality and safety. These evaluations include tests for physical and chemical performance, composition, fracture toughness, in vitro cytotoxicity, oral mucosa irritation, skin sensitization, bacterial reverse mutation, systemic toxicity, and muscle implantation. With Topzir’s zirconia blocks, you can expect stronger, more durable, and more biocompatible zirconia teeth for outstanding dental restorations. Choose Topzir Biotech for unparalleled quality and reliability in your dental practice.