Biodegradable Magnesium Alloy (ZK60) with a Poly(l-lactic)-Acid Polymer Coating for Maxillofacial Surgery
Abstract
:1. Introduction
2. Materials and Methods
2.1. Design of ZK60 Plate
2.2. Tensile Strength of PLLA-Coated ZK60 Plates
2.3. Bending Strength of PLLA-Coated ZK60 Plates
2.4. Evaluation of the PLLA-Coated ZK60 Plate Using a LeFort I Osteotomy Canine Model
2.5. Clinical Evaluation
2.6. Evaluation of Absorption Rate Using µCT
3. Results
3.1. Chemical Composition of ZK60
3.2. Tensile Strength of ZK60 Plates
3.3. Bending Strength of PLLA-Coated ZK60 Plates
3.4. Evaluation of PLLA-Coated ZK60 Plate Using a LeFort I Osteotomy Canine Model
3.4.1. Clinical Evaluation
3.4.2. Evaluation of Absorption Rate Using µCT
4. Discussion
5. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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ASTM No. | Mg (min) | Zn | Zr | Mn | Fe | Si | Al | Cu | Other Impurities |
---|---|---|---|---|---|---|---|---|---|
ZK60 | Bal. | 4.8–6.2 | 0.64 | 0.012 | 0.0021 | 0.0016 | 0.0014 | 0.001 | 0.3 |
ZK60 | Ultimate Tensile Strength (MPa) | Tensile Yield Strength (MPa) | Elongation (%) |
---|---|---|---|
Average ± S.D. | 327.94 ± 20.10 | 251.16 ± 33.43 | 15.12 ± 1.95 |
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Byun, S.-H.; Lim, H.-K.; Lee, S.-M.; Kim, H.-E.; Kim, S.-M.; Lee, J.-H. Biodegradable Magnesium Alloy (ZK60) with a Poly(l-lactic)-Acid Polymer Coating for Maxillofacial Surgery. Metals 2020, 10, 724. https://doi.org/10.3390/met10060724
Byun S-H, Lim H-K, Lee S-M, Kim H-E, Kim S-M, Lee J-H. Biodegradable Magnesium Alloy (ZK60) with a Poly(l-lactic)-Acid Polymer Coating for Maxillofacial Surgery. Metals. 2020; 10(6):724. https://doi.org/10.3390/met10060724
Chicago/Turabian StyleByun, Soo-Hwan, Ho-Kyung Lim, Sung-Mi Lee, Hyoun-Ee Kim, Soung-Min Kim, and Jong-Ho Lee. 2020. "Biodegradable Magnesium Alloy (ZK60) with a Poly(l-lactic)-Acid Polymer Coating for Maxillofacial Surgery" Metals 10, no. 6: 724. https://doi.org/10.3390/met10060724