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Process for measuring soft tissue surface dimensional changes of alveolar ridge; a) Created 3D image file into 3D STL image files from intraoral scanner; b) Two STL image files at the extraction time (D0) and four months (D120) later were imported into the 3D metrology software and pre-aligned; c) After superimposition of two STL files, the horizontal dimensional changes of alveolar ridge were analyzed using GOM Inspect software.
