Adults who have received an FDA-cleared restor3d patient-specific knee implant (total knee replacement, unicompartmental knee replacement). Participants complete ePRO surveys pre-operatively and at 6 weeks, 3 months, 6 months, and annually through 5 years post-operatively.

Adults who have received an FDA-cleared restor3d patient-specific hip implant. Participants complete ePRO surveys pre-operatively and at 6 weeks, 3 months, 6 months, and annually through 5 years post-operatively.

Adults who have received an FDA-cleared restor3d patient-specific ankle implant (total ankle replacement) or an FDA-approved restor3d patient-specific total talus replacement. Participants complete ePRO surveys pre-operatively and at 6 weeks, 3 months, 6 months, and annually through 5 years post-operatively.

Adults who have received an FDA-cleared restor3d patient-specific shoulder implant (reverse total shoulder arthroplasty). Participants complete ePRO surveys pre-operatively and at 6 weeks, 3 months, 6 months, and annually through 5 years post-operatively.

FDA-cleared or approved patient-specific orthopedic implant manufactured by restor3d, Inc. Implants are individually designed using patient imaging data and 3D-printing technology to match the patient's unique anatomy. This study does not involve any experimental procedures; implantation occurs as part of standard clinical care prior to and independent of study enrollment.

Patient-reported implant survivorship as assessed through a sponsor-created post-market safety questionnaire, capturing implant-related adverse events including device malfunction, revision surgery, infection, wound complications, and life-threatening events.

Improvement in Patient-Reported Outcomes Measurement Information System (PROMIS) Depression 6a score evaluated by comparing postoperative scores to baseline. Raw scores range from 6 to 30 on a 5-point Likert scale. Higher raw scores indicate greater severity of depressive symptoms.