Fixture-abutment connection surface and micro-gap measurements by 3D micro-tomographic technique analysis

Fixture-abutment connection surface and micro-gap measurements by 3D micro-tomographic technique analysis

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X-ray micro-tomography (micro-CT) is a miniaturized form of conventional computed axial tomography (CAT) able to investigate small radio-opaque objects at a-few-microns high resolution, in a nondestructive, non-invasive, and tri-dimensional way.Compared to traditional optical and electron microscopy techniques, which provide two-dimensional WOMENS SNOW images, this innovative investigation technology enables a sample tri-dimensional analysis without cutting, coating or exposing the object to any particular chemical treatment.X-ray micro-tomography matches ideal 3D microscopy features: the possibility of investigating an object in natural conditions and without any preparation or alteration; non-invasive, non-destructive, and sufficiently magnified 3D reconstruction; reliable measurement of numeric data of the internal structure (morphology, structure and ultra-structure).Hence, this technique has multi-fold applications in a wide range of fields, not only in medical and odontostomatologic areas, but also in biomedical engineering, materials science, biology, electronics, geology, archaeology, oil industry, and semi-conductors industry.This study shows possible applications of micro-CT in dental implantology to analyze 3D micro-features of dental implant to abutment interface.

Indeed, implant-abutment misfit is known Phone/GPS/Tablet Holders to increase mechanical stress on connection structures and surrounding bone tissue.This condition may cause not only screw preload loss or screw fracture, but also biological issues in peri-implant tissues.