Scanning Electron Microscopy / Silicon / Humans / Calcium Phosphates / American / Clinical Sciences / Optometry and Ophthalmology / Calcinosis / Public health systems and services research / Acrylic Resins / Electron Probe Microanalysis / Equipment Failure Analysis / Clinical Sciences / Optometry and Ophthalmology / Calcinosis / Public health systems and services research / Acrylic Resins / Electron Probe Microanalysis / Equipment Failure Analysis