04 November 2023 : Laboratory Research
Comparative Evaluation of Dimensional and Occlusal Accuracy of Non-Working Antagonist Casts: A Study on Different Impression Materials and 3D Printing
Bandar M.A. Al-Makramani
1ABCEF*, Mohammed E. Sayed 1ABCEG, Fuad A. Al-Sanabani 1ABDEF, Khurshid Ahmed Mattoo 1ABCEF, Nasser M. Alqahtani 2ACDEG, Saeed M. Alqahtani 2ACDEG, Hossam F. Jokhadar 3ACDEG, Saad Saleh AlResayes 4ACDEF, Mohammad Alamri 5ADEFG, Mohammed H. AlWadei 5CDEFG, Khalid Motlaq67CDEF, Faisal Hasan Alshehri 5CDEFG, Ahid Amer Alshahrani 8CDEF, Rami Eshaq 9BCDEF
DOI: 10.12659/MSM.941654
Med Sci Monit 2023; 29:e941654
Table 5 Comparative differences of mean errors for various measurements among studied groups in relation to the reference master model.
| Parameter (Dimensions) | Material | n | Mean±SD | F Statistics (df) | P value# |
|---|---|---|---|---|---|
| Anterior vertical | AL(C) | 10 | 0.22±0.12 | 3.92(3,36) | 0.016* |
| AL(E) | 10 | 0.14±0.12 | |||
| AL(F) | 10 | 0.13±0.09 | |||
| 3D-C | 10 | 0.38±0.33 | |||
| Posterior vertical | AL(C) | 10 | 0.38±0.25 | 5.64(3,36) | 0.003** |
| AL(E) | 10 | 0.23±0.12 | |||
| AL(F) | 10 | 0.22±0.20 | |||
| 3D-C | 10 | 0.56±0.26 | |||
| Anterior-posterior | AL(C) | 10 | 0.36±0.22 | 0.93(3,36) | 0.438 (NS) |
| AL(E) | 10 | 0.22±0.11 | |||
| AL(F) | 10 | 0.26±0.23 | |||
| 3D-C | 10 | 0.29±0.20 | |||
| AL(C) – conventional alginate; AL(E) – extended pour alginate; AL(F) – alginate free; 3D-C – three-dimensional printed cast; df – degree of freedom; CI – confidence interval. # One-Way ANOVA tests. Levels of significance: NS (not-significant)=P≥0.05; * Significant=P≤0.05; ** Very significant=P≤0.01; *** Highly significant=P≤0.001. | |||||