Fracture Resistance Comparative Analysis of Milled-Derived vs. 3D-Printed CAD/CAM Materials for Single-Unit Restorations
Abstract
:1. Introduction
1.1. PMMA
1.2. 3DPPa
1.3. 3DPPb
2. Materials and Methods
2.1. Sample Preparation
2.2. PMMA Samples
2.3. 3D-Printed Crowns
2.3.1. Digitalization Scanning and Design of Samples
2.3.2. 3D-Printed Materialization
2.3.3. Postproduction
2.4. Thermocycling of Samples
2.5. Fracture Resistance Test
2.6. Data Processing and Analysis
3. Results
Descriptive Analysis
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Data Availability Statement
Conflicts of Interest
References
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Product Name | Manufacturer’s Brand | Lot | Material |
---|---|---|---|
3DPPa | SprintRay (Los Angeles, CA, USA) | 600,663 | Hybrid material for dental 3D-crown printing |
PMMA | Ivoclar Vivadent (Lichtenstein) | 48,820 | Thermoplastic polymer |
3DPPb | SprintRay | 0202021 | Nano ceramic hybrid, 3D-printing |
Material | n | Mean (x) | Standard Deviation (sd) | Coefficient of Variation (cv) | Minimum | Maximum | Ci 95% for the Mean |
---|---|---|---|---|---|---|---|
PMMA | 20 | 1427.9 | 36.9 | 3.2% | 1368.8 | 1486.8 | (1410.6; 1445.2) |
3DPPa | 20 | 1231.0 | 380.1 | 30.9% | 622.8 | 1848.4 | (1053.1; 1408.9) |
3DPPb | 20 | 1029.9 | 166.4 | 16.2% | 786.1 | 1282.2 | (952.0; 1107.8) |
Sample 1—Sample 2 | Test Statistic | Deviation from Test Statistic | p-Value |
---|---|---|---|
3DPPb—3DPPa | 14.150 | 2.562 | 0.010 |
3DPPb—PMMA | −26.500 | −4.798 | 0.000 |
3DPPa—PMMA | −12.350 | −2.236 | 0.025 |
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Abad-Coronel, C.; Bravo, M.; Tello, S.; Cornejo, E.; Paredes, Y.; Paltan, C.A.; Fajardo, J.I. Fracture Resistance Comparative Analysis of Milled-Derived vs. 3D-Printed CAD/CAM Materials for Single-Unit Restorations. Polymers 2023, 15, 3773. https://doi.org/10.3390/polym15183773
Abad-Coronel C, Bravo M, Tello S, Cornejo E, Paredes Y, Paltan CA, Fajardo JI. Fracture Resistance Comparative Analysis of Milled-Derived vs. 3D-Printed CAD/CAM Materials for Single-Unit Restorations. Polymers. 2023; 15(18):3773. https://doi.org/10.3390/polym15183773
Chicago/Turabian StyleAbad-Coronel, Cristian, Manuel Bravo, Salomé Tello, Emilia Cornejo, Yirelly Paredes, Cesar A. Paltan, and Jorge I. Fajardo. 2023. "Fracture Resistance Comparative Analysis of Milled-Derived vs. 3D-Printed CAD/CAM Materials for Single-Unit Restorations" Polymers 15, no. 18: 3773. https://doi.org/10.3390/polym15183773