Study compares gel, shell properties across major breast implant brands

A qualitative and quantitative study tested two current-generation silicone implants from each of four major US manufacturers (Allergan, Mentor, Motiva, Sientra) using eight assessment methods including biomechanical gel testing, tensiometer peel testing, ultrasound imaging, and blinded tactile assessment. The study reported that Mentor MemoryGel BOOST showed the most form-stable gel and strongest gel-shell interaction but ranked only third on blinded tactile assessment, with MemoryGel Xtra rated highest; Sientra 106 was least form-stable, and Allergan implants had the clearest ultrasound shell visualization and highest usability score across applications. The authors state these manufacturer-specific differences support science-driven rather than marketing-driven implant selection.

Most relevant for: Surgeons selecting silicone breast implants for aesthetic or reconstructive breast surgery.

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