ArticleBMC musculoskeletal disorders2022
Biomechanical effect of metal augment and bone graft on cup stability for acetabular reconstruction of total hip arthroplasty in hip dysplasia: a finite element analysis.
Article in BMC musculoskeletal disorders, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 15 citations in OpenAlex.
- Finite element biomechanical evaluation of a novel double-door screw-plate system for posterior cervical laminoplasty.BMC musculoskeletal disorders · 2026Article
- Clinical and Radiographic Outcomes of Cementless Total Hip Arthroplasty for Osteoarthritis Secondary to Developmental Dysplasia of the Hip: A Retrospective Study with Minimum 12-Month Follow-Up.Journal of functional morphology and kinesiology · 2026Article
- Autologous femoral head structural bone grafting in primary total hip arthroplasty for adult developmental dysplasia of the hip: mid-term clinical and radiographic outcomes.BMC musculoskeletal disorders · 2026Article
- An algorithm for personalized optimal acetabular cup implant positioning based on bony coverage rate and impingement-free range of motion.Medical & biological engineering & computing · 2026Article
- 3D printing technology-assisted total hip arthroplasty for acute proximal femoral fracture and Hartofilakidis type II developmental dysplasia of the hip: a case report and literature review.Frontiers in surgery · 2026Article
- 3D printing individualized augments prosthesis and acetabular implant for the treatment of Crowe type III developmental dysplasia of the hip.Scientific reports · 2025Article
- Finite Element Analysis of a 3D-Printed Acetabular Prosthesis for an Acetabular Defect According to the Paprosky Classification.Materials (Basel, Switzerland) · 2025Article
- Clinical efficacy and prognostic analysis of autologous femoral head structural bone grafting combined with total hip arthroplasty for Crowe Type II/III developmental dysplasia of the hip in adults.American journal of translational research · 2025Article
- Custom 3D-printed split-type triflange implants for severe acetabular defects: mid-term clinical outcomes and biomechanical insights from finite element analysis.Frontiers in bioengineering and biotechnology · 2025Article
- Medium- to long-term clinical efficacy of total hip arthroplasty with structural bone grafting for dysplasia of the hip.International orthopaedics · 2024Review
- Total hip arthroplasty with porous tantalum trabecular metal pads in patients with Crowe IV developmental dysplasia of the hip: a midterm followup study.BMC musculoskeletal disorders · 2024Article
- Extra-articular Blocking Technique to Resolve Severe Acetabular Bone Defect in Developmental Dysplasia of the Hip.Orthopaedic surgery · 2023Observational
- Biomechanical analysis and clinical observation of 3D-printed acetabular prosthesis for the acetabular reconstruction of total hip arthroplasty in Crowe III hip dysplasia.Frontiers in bioengineering and biotechnology · 2023Article
Corrections and comments
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Authors and funding
8 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundDifferent methods of acetabular reconstruction with total hip arthroplasty (THA) for Crowe II and III of adult developmental dysplasia of the hip (DDH) acetabular bone defect have been implemented clinically. However, the biomechanical effect of different augmented materials for acetabular reconstruction in THA on shell stability has never been discussed.
methodsIn the present study, autologous bone graft (BG)and metal (Ti6Al4V) augment (MA) were simulated with several acetabular bone defect models of DDH in THA. The contact pressure and micromotion between the shell and host bone were measured for evaluating the shell stability using a finite element method.
resultsThe peak contact stress between shell and host bone was higher in the MA situation (12.45 vs 8.71 MPa). And the load transfer path was different, for BG models, the high local contact stresses were found at the junction of bone graft and host bone while for MA models the concentrated contact stresses were at the surface of MA. The peak relative micromotion between shell and host bone was higher in the MA situation (12.61 vs 11.13 µm). However, the peak micromotion decreased in the contact interface of MA and cup compared to the BG models.
conclusionsThe higher micromotion was found in MA models, however, enough for bone ingrowth, and direct stronger fixation was achieved in the MA-cup interface. Thus, we recommended the MA can be used as an option, even for Crowe III, however, the decision should be made from clinical follow-up results.
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