Strength Tests of Alloys for Fixed Structures in Dental Prosthetics

Bojko, Łukasz; Ryniewicz, Andrzej; Ryniewicz, Wojciech

doi:10.3390/ma15103497

Cited by 5 publications

(3 citation statements)

References 26 publications

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“…Titanium demonstrates the highest tensile strength, indicating its superior mechanical robustness compared to zirconia and ceramic. This aligns with a study by Bojko et al, which evaluated the static strength in axial tensile tests of titanium alloys, highlighting their high ultimate tensile strength [ 10 ]. Additionally, zirconia stands out with the highest modulus of elasticity, suggesting its potential for enhanced resistance to deformation.…”

Section: Discussionsupporting

confidence: 91%

Comprehensive Evaluation of Titanium, Zirconia, and Ceramic Dental Implant Materials: A Comparative Analysis of Mechanical and Esthetic Properties

Peter,

Shah,

Simon

et al. 2024

Cureus

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Background: Dental implant materials play a pivotal role in the success of restorative dentistry. This study comprehensively compares the mechanical and esthetic properties of three commonly used dental implant materials: titanium, zirconia, and ceramic. Objective: This study aimed to provide insights into the suitability of titanium, zirconia, and ceramic for various clinical applications within implant dentistry. Methods: Ninety dental implants, 30 for each material, were selected based on their well-established usage in dental implantology. Mechanical properties, including tensile strength, modulus of elasticity, and fatigue resistance, were assessed using state-of-the-art testing machines. Esthetic properties, such as color stability and translucency, were scrutinized through immersion in staining solutions and spectrophotometer measurements. Fracture properties and biocompatibility were also evaluated. Results: Mechanical testing revealed that titanium exhibited the highest tensile strength (810 ± 55 MPa), while zirconia demonstrated the highest modulus of elasticity (208 ± 8 GPa). Titanium also displayed the greatest fatigue resistance (1,010,000 ± 95,000 cycles), whereas zirconia had the highest hardness (1190 ± 45 Vickers hardness number (VHN)). Esthetically, zirconia showed superior color stability (ΔE: 1.7 ± 0.2), while ceramic exhibited the highest translucency (TP%: 15.3 ± 1.7). Zirconia presented the lowest surface roughness (0.28 ± 0.04 μm). Conclusion: This study provides insights into potential dental implant material performance, with zirconia emerging as a promising alternative. Future research should validate these findings in clinical settings, considering a broader array of variables and long-term outcomes.

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Section: Discussionsupporting

confidence: 91%

Comprehensive Evaluation of Titanium, Zirconia, and Ceramic Dental Implant Materials: A Comparative Analysis of Mechanical and Esthetic Properties

Peter,

Shah,

Simon

et al. 2024

Cureus

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“…The material’s constants (elastic modulus and Poisson ratio) were assigned to each volumetric element with isotropic and homogeneous consistency, based on data in the literature. The properties have been summarized in Table 1 [ 15 , 21 , 25 , 26 , 27 , 28 ]. Five different superstructures have been simulated, as showed in Figure 3 .…”

Section: Methodsmentioning

confidence: 99%

Stress Distribution Pattern in Zygomatic Implants Supporting Different Superstructure Materials

et al. 2022

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The aim of this study was to assess and compare the stress–strain pattern of zygomatic dental implants supporting different superstructures using 3D finite element analysis (FEA). A model of a tridimensional edentulous maxilla with four dental implants was designed using the computer-aided design (CAD) software. Two standard and two zygomatic implants were positioned to support the U-shaped bar superstructure. In the computer-aided engineering (CAE) software, different materials have been simulated for the superstructure: cobalt–chrome (CoCr) alloy, titanium alloy (Ti), zirconia (Zr), carbon-fiber polymers (CF) and polyetheretherketone (PEEK). An axial load of 500 N was applied in the posterior regions near the zygomatic implants. Considering the mechanical response of the bone tissue, all superstructure materials resulted in homogeneous strain and thus could reconstruct the edentulous maxilla. However, with the aim to reduce the stress in the zygomatic implants and prosthetic screws, stiffer materials, such Zr, CoCr and Ti, appeared to be a preferable option.

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“…Fixed prosthetic restoration should meet the following: health-related requirements in terms of biocompatible protection of the tissues of the oral cavity and proper functioning of the patient’s organs; mechanical requirements for strength (protection of tissue strain, temporary and fatigue parameters of the structure) and aesthetic requirements related to the location of the gingival margin, as well as shape, thickness and color of the veneer [ 1 , 2 ].…”

Section: Introductionmentioning

confidence: 99%

The Impact of Sintering Technology and Milling Technology on Fitting Titanium Crowns to Abutment Teeth—In Vitro Studies

2022

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Introduction: The aim of the study is to evaluate the marginal and internal fit of titanium alloy (Ti6Al4V) crowns using the Selective Laser Melting (SLM) method and CAD/CAM milling. Materials and Methods: The research materials are abutment teeth and prosthetic crowns. The method is based on scanning the abutments and the interior of the substructures, creating their 3D models, using the program for comparison, and determining error maps of fitting crowns to the reference models, in the form of positive and negative deviations. Adding the deviations gives information about the tightness of the crowns. The Shapiro–Wilk test and the one-way ANOVA analysis were performed. The level of significance was p = 0.05. Results: The crowns made in SLM, a slightly better internal fit was found than for milled crowns, as well as a comparable marginal fit. The mean deviations for the sintering were the values [mm]: −0.039 and +0.107 for tooth 15 and −0.033 and +0.091 for tooth 36, and for the milling –0.048 and +0.110 for tooth 15 and –0.038 and +0.096 and for tooth 36. Conclusion: Based on the research conducted and the experience in therapeutic procedures, it can be indicated that the fitting of titanium alloy crowns in SLM and milling meets the clinical requirements. To evaluate the technology, a method was developed that determines the accuracy of mapping the shape of the tooth abutments in the crown substructures for the individual conditions of the patient.

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Strength Tests of Alloys for Fixed Structures in Dental Prosthetics

Cited by 5 publications

References 26 publications

Comprehensive Evaluation of Titanium, Zirconia, and Ceramic Dental Implant Materials: A Comparative Analysis of Mechanical and Esthetic Properties

Comprehensive Evaluation of Titanium, Zirconia, and Ceramic Dental Implant Materials: A Comparative Analysis of Mechanical and Esthetic Properties

Stress Distribution Pattern in Zygomatic Implants Supporting Different Superstructure Materials

The Impact of Sintering Technology and Milling Technology on Fitting Titanium Crowns to Abutment Teeth—In Vitro Studies

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