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Micro fabrication techniques used for the production of dental implants offer different surface shaping options particularly effective on the quality of osseointegration. However, to obtain osseointegration with current implant surface roughening techniques bring about various problems. These are mainly operating and maintenance costs of systems used in roughening process, high cost of powder used in blasting, being an imported material, health risk due to blasting powder, high noise at production area and adverse effects of chemicals used. The purpose of this study is to determine the stress values of dental implants with micro-scale hemispherical pockets on the surface produced at CNC machines under various loading conditions after osseointegration. In the study, solid modelling programs were used to design dental implant. Hemispherical cavities in the diameter of 150 and 300 µm are opened on the surface of dental implants excluding the grooved surfaces. Loadings were carried out axially and with the angle of 45to the horizontal direction on the assembly consisted of hard and soft bones, implant, abutment and cover. Analysis was carried out by using finite element method. Thestress values for the assemblies both with and without various sizes of hemispherical pocketson the implant surface were obtained and then compared to each other. The results of this study showed that stress values of implants with micro-scale hemispherical pits are higher than smooth surface implants particularly at the borders of pockets

M KRO MALAT YÖNTEM YLE YÜZEY EK LLEND RMEN N DENTAL MPLANT UYGULAMALARINDAK OSSEO NTEGRASYONA ETK S