Three-Dimensional Evaluation on Accuracy of Conventional and Milled Gypsum Models and 3D Printed Photopolymer Models
Abstract
:1. Introduction
2. Materials and Methods
3. Results
4. Discussion
5. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Group | Root Mean Square (RMS) (µm) | |||
---|---|---|---|---|
Trueness | Precision | |||
Mean ± SD | 95% CI | Mean ± SD | 95% CI | |
CON | 27.9 ± 2.7a | 26.0–29.8 | 20.0 ± 3.1a | 19.1–21.0 |
MIL | 94.0 ± 11.5b | 85.8–102.3 | 37.8 ± 7.0b | 35.7–39.9 |
S3P | 85.2 ± 13.1b | 75.9–94.6 | 49.6 ± 12.1c | 45.9–53.2 |
D3P | 105.5 ± 22.5b | 89.4–121.6 | 52.8 ± 17.5c | 47.6–58.1 |
p | <0.001 | <0.001 |
Group | Root Mean Square (RMS) (µm) | |||
---|---|---|---|---|
Inlay | Single Crown | 3-Unit FDP | p | |
Mean ± SD (95% CI) | Mean ± SD (95% CI) | Mean ± SD (95% CI) | ||
CON | 20.9 ± 1.4aA (19.9–21.9) | 30.5 ± 8.4aB (24.5–36.5) | 22.2 ± 2.3aA (20.6–23.8) | 0.005 |
MIL | 72.8 ± 12.4bA (63.9–81.7) | 65.2 ± 6.6bB (60.5–69.9) | 95.8 ± 29.1bcA (74.9–116.6) | 0.007 |
S3P | 60.7 ± 12.1bA (52.1–69.4) | 62.0 ± 10.6bA (53.0–68.0) | 81.5 ± 14.1bB (71.4–91.6) | 0.004 |
D3P | 66.9 ± 20.9bA (51.9–81.8) | 84.3 ± 22.5cB (68.2–100.4) | 117.3 ± 38.5cC (89.8–144.8) | 0.001 |
p | <0.001 | <0.001 | <0.001 |
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Choi, J.-W.; Ahn, J.-J.; Son, K.; Huh, J.-B. Three-Dimensional Evaluation on Accuracy of Conventional and Milled Gypsum Models and 3D Printed Photopolymer Models. Materials 2019, 12, 3499. https://doi.org/10.3390/ma12213499
Choi J-W, Ahn J-J, Son K, Huh J-B. Three-Dimensional Evaluation on Accuracy of Conventional and Milled Gypsum Models and 3D Printed Photopolymer Models. Materials. 2019; 12(21):3499. https://doi.org/10.3390/ma12213499
Chicago/Turabian StyleChoi, Jae-Won, Jong-Ju Ahn, Keunbada Son, and Jung-Bo Huh. 2019. "Three-Dimensional Evaluation on Accuracy of Conventional and Milled Gypsum Models and 3D Printed Photopolymer Models" Materials 12, no. 21: 3499. https://doi.org/10.3390/ma12213499