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Osteology, Volume 5, Issue 3

2025 September - 9 articles

Cover Story: A significant proportion of the population self-reports cutaneous allergy or sensitivity to at least one metal. In the first year after total joint arthroplasty, increased cobalt, chromium, and titanium serum ion levels are noted. Most remain within safe ranges; however, in some cases, pain, metallosis, osteolysis, and loosening of prosthesis components have been linked to metal sensitivity. Implants have been developed with the goal of reducing exposure to cobalt and chromium, typically employing a coating to prevent metal ion release. The aim of this study was to describe the early safety and efficacy of an anatomically designed implant composed of nitrided titanium and manufactured in a process that precludes the need for deposition of coatings. Our findings demonstrate excellent two-year survivorship and clinically significant improvement in function, pain, and quality of life. View this paper
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Articles (9)

  • Article
  • Open Access
1,197 Views
10 Pages

Prosthetic Hip Infection Secondary to Morganella morganii: A Rare, Morbid Condition

  • Ahmed Nageeb Mahmoud,
  • Alejandro Ordas-Bayon,
  • Desirée Gijón-Cordero,
  • John Paul Prodoehl,
  • Juan David Bernate,
  • Gabriel Makar,
  • Michael Suk and
  • Daniel S. Horwitz

10 September 2025

Background/Objectives: Periprosthetic joint infection (PJI) is a challenging problem in orthopedic surgery and is often associated with high morbidity. The treatment becomes even more challenging whenever the microorganism is virulent and/or not wide...

  • Article
  • Open Access
1 Citations
2,181 Views
12 Pages

Early Clinical Outcomes of a Nitrided Ti-6Al-4V Titanium Alloy Anatomic Total Knee Replacement System

  • Derek Johnson,
  • P. Maxwell Courtney,
  • Henry Boucher,
  • Erik Kowalski,
  • Roberta E. Redfern and
  • Krishna R. Tripuraneni

Background/Objectives: To prevent potential complications for patients with metal hypersensitivity requiring total knee arthroplasty (TKA), implant coatings have been developed. Thermal nitriding of the titanium surface creates a TiN layer that incre...

  • Article
  • Open Access
1,353 Views
12 Pages

Background/Objectives: Mechanical, physiological, and biochemical changes contribute to post-traumatic osteoarthritis (PTOA). Specific mouse models that are highly reproducible, less invasive, and easy to use are lacking. This limitation hinders the...

  • Article
  • Open Access
2,184 Views
15 Pages

Evaluation of the Stress-Shielding Effect of a PEEK Knee Prosthesis. A Finite Element Study

  • Mario Ceddia,
  • Arcangelo Morizio,
  • Giuseppe Solarino and
  • Bartolomeo Trentadue

Background: The long-term success of total knee arthroplasty (TKA) is often compromised by stress shielding, which can lead to bone resorption and even implant loosening. This study employs finite element analysis (FEA) to compare the stress-shieldin...

  • Article
  • Open Access
6,162 Views
22 Pages

Background/Objectives: Knee osteoarthritis is one of the most significant diseases globally and in Portugal. Despite the availability of international guidelines, there is a lack of tailored, evidence-based recommendations specifically for Portuguese...

  • Article
  • Open Access
2,502 Views
11 Pages

Background/Objectives: Overhead athletes, including swimmers, are prone to shoulder adaptations and pathologies, such as scapular dyskinesis (SD) and glenohumeral internal rotation deficit (GIRD). While SD has been extensively studied in various over...

  • Case Report
  • Open Access
1,625 Views
8 Pages

Background/Objectives: Congenital clubfoot (CC) is one of the most common congenital deformities of the lower limbs, typically presenting as a complex skeletal malformation. It is frequently associated with other congenital anomalies, although the co...

  • Case Report
  • Open Access
2,261 Views
10 Pages

Augmented Repair of Achilles Tendon Rupture with Bioinductive Regeneten Implant: A Case Report on Enhanced Healing and Functional Recovery

  • Umile Giuseppe Longo,
  • Antonio Suma,
  • Gianmarco Marcello,
  • Alessandra Corradini,
  • Alice Ceccaroli,
  • Pieter D’Hooghe and
  • Alessandro de Sire

Background/Objectives: Complete rupture of the Achilles tendon is a common and challenging injury, specifically for individuals engaged in high-demand activities such as sports. Surgical repair is often required, but conventional methods, including d...

  • Article
  • Open Access
987 Views
22 Pages

Background/Objectives: Semiquantitative grading of the vertebral body (SQ) is an easy screening method for vertebral body deformation. The validity of SQ as a risk factor and screening tool for incident osteoporotic fractures in the vertebral body (O...

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Osteology - ISSN 2673-4036