DEXA Bone Density Analysis of the CoreHip® Prosthesis System

Inclusion Criteria: * Unilateral hip osteoarthritis * Indication for CoreHip Standard hip stem according to preoperative planning * Written Informed Consent * Age 35-85 years * According to the assessment of the study doctor, the patient is therapy compliant and able to attend the follow-up visits Exclusion Criteria: * Femoral neck fractures * Pregnancy * BMI \> 35 * History of femoral fracture or previous surgery on the same hip * Metabolic bone disease, use of steroids or other drugs affecting bone metabolism * Intraoperative bone cracks * Severe osteoarthritis of the contralateral hip * THA of the contralateral side or other event leading to restricted weight bearing during the study period