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. 2022 Apr 19;15(9):2967.
doi: 10.3390/ma15092967.

Bone Cements Used for Hip Prosthesis Fixation: The Influence of the Handling Procedures on Functional Properties Observed during In Vitro Study

Alina Robu  1 , Robert Ciocoiu  1 , Aurora Antoniac  1 , Iulian Antoniac  1   2 , Anca Daniela Raiciu  3 , Horatiu Dura  4 , Norin Forna  5 , Mihai Bogdan Cristea  6 , Ioana Dana Carstoc  4
Affiliations

Bone Cements Used for Hip Prosthesis Fixation: The Influence of the Handling Procedures on Functional Properties Observed during In Vitro Study

Alina Robu et al. Materials (Basel). .

Abstract

The failure of hip prostheses is a problem that requires further investigation and analysis. Although total hip replacement is an extremely successful operation, the number of revision surgeries needed after this procedure is expected to continue to increase due to issues with both bone cement types and cementation techniques (depending on the producer). To conduct a comparative analysis, as a surgeon prepared the bone cement and introduced it in the body, this study's team of researchers prepared three types of commercial bone cements with the samples mixed and placed them in specimens, following the timeline of the surgery. In order to evaluate the factors that influenced the chemical composition and structure of each bone cement sample under specific intraoperative conditions, analyses of the handling properties, mechanical properties, structure, and composition were carried out. The results show that poor handling can impede prosthesis-cement interface efficacy over time. Therefore, it is recommended that manual mixing be avoided as much as possible, as the manual preparation of the cement can sometimes lead to structural unevenness.

Keywords: biomaterials; bone cements; handling; mechanical properties; orthopedic.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Schematic data of the acrylic bone cements.
Figure 2
Figure 2
Schematic presentation of implant–cement and cement–bone interfaces.
Figure 3
Figure 3
Aspects regarding the handling of bone cements for classical hip prosthesis fixation: (a) Bone cement application. (b) Postoperative radiography. (c) Failed hip prosthesis.
Figure 4
Figure 4
Aspects regarding the handling of bone cements for resurfacing hip prosthesis (e.g., BHR) fixation: (a) bone preparation; (b) cement pressure into the prosthetic components; (c) postoperative radiography; (d) failed BHR hip prostheses [63].
Figure 5
Figure 5
Schematic depicting the experimental set-up used for compression testing and sample behavior during the test (image not to scale).
Figure 6
Figure 6
Representative SEM images and corresponding EDS spectra of the investigated samples: (a) sample 1; (b) sample 2; (c) sample 3.
Figure 7
Figure 7
Images of liquid droplets on the surface of materials: (a) sample 1, (b) sample 2, (c) sample 3.
Figure 8
Figure 8
Images of the specimens before and after the compressive strength test (before compression—left; after compression—right.
Figure 9
Figure 9
Diagram with the results for compression testing for all experimental samples (sample 1—code 1.1, 1.2, 1.3, 1.4; Sample 2—code 2.1, 2.2, 2.3; and Sample 3 code 3.1, 3.2, 3.3).
Figure 10
Figure 10
Comparison of the elastic modulus (a), the yield strength (b) and the maximum stress (c) using an ANOVA test.
See this image and copyright information in PMC

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