Three-Dimensional Radiographic Evaluation of the Malar Bone Engagement Available for Ideal Zygomatic Implant Placement
Abstract
:1. Introduction
2. Materials and Methods
2.1. Phase 1
2.2. Phase 2
2.3. Measurements of the Zygomatic Bone
- The “upper jugale”: the highest point of the posterior frontal process eminence of the zygomatic bone
- The posterior point of the frontozygomatic suture.Two planes were drawn using the “CAD Objects” tool:
- -
- The “zygomatic anterior” plane, showing the ideal emergence points of prosthetic anterior implants; these were ImpAr/ImpAl and the upper jugale.
- -
- The “zygomatic posterior” plane, showing the ideal emergence points of prosthetic posterior implants; these were ImpBr/ImpBl and the posterior point of the frontozygomatic suture.
3. Results
3.1. Phase 1
3.2. Phase 2
4. Discussion
Author Contributions
Funding
Conflicts of Interest
References
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Line | Mean (mm) | SD (mm) | |
---|---|---|---|
Total length | 1 | 61.82 a | 6.95 |
2 | 53.14 b | 6.61 | |
3 | 46.36 c | 7.01 | |
Total | 53.77 | 9.33 | |
Bone engagement | 1 | 20.03 a | 8.06 |
2 | 19.00 b | 6.30 | |
3 | 14.72 c | 3.35 | |
Total | 17.92 | 6.62 | |
Intra-sinus path | 1 | 13.28 a | 10.16 |
2 | 4.65 b | 6.66 | |
3 | 0.03 c | 0.46 | |
Total | 5.99 | 8.91 | |
Extra-sinus path | 1 | 28.51 a | 10.86 |
2 | 29.48 b | 7.86 | |
3 | 31.60 c | 6.29 | |
Total | 29.86 | 8.64 |
Plane (°) | Mean (mm) | SD (mm) | |
---|---|---|---|
Total length | 0 | 52.60a | 9.53 |
4 | 55.01b | 9.99 | |
8 | 54.27c | 9.07 | |
12 | 53.22d | 8.50 | |
Total | 53.77 | 9.33 | |
Bone engagement | 0 | 18.60 a | 6.18 |
4 | 19.43 b | 6.44 | |
8 | 17.55 c | 6.64 | |
12 | 16.09d | 6.74 | |
Total | 17.92 | 6.62 | |
Intra-sinus path | 0 | 6.32a | 9.50 |
4 | 7.69b | 9.96 | |
8 | 6.14a | 8.73 | |
12 | 3.80c | 6.65 | |
Total | 5.99 | 8.91 | |
Extra-sinus path | 0 | 27.66a | 9.10 |
4 | 27.89a | 9.16 | |
8 | 30.58b | 7.79 | |
12 | 33.32c | 7.11 | |
Total | 29.86 | 8.64 |
Implant Emergence | Plane (°) | Line | Bone Engagement (mm) | Intra-Sinus Path (mm) |
---|---|---|---|---|
Anterior | 0 | 1 | 24.26 ± 5.84 19.02 ± 4.93 14.41 ± 2.92 19.23 ± 6.20 | 7.45 ± 7.61 3.28 ± 5.10 0.03 ± 0.44 3.59 ± 6.10 |
2 | ||||
3 | ||||
Total | ||||
4 | 1 | 24.09 ± 6.36 20.18 ± 5.67 16.02 ± 2.98 20.10 ± 6.16 | 11.64 ± 7.89 5.08 ± 6.08 0.07 ± 0.68 5.60 ± 7.45 | |
2 | ||||
3 | ||||
Total | ||||
8 | 1 | 21.40 ± 6.91 20.84 ± 5.87 16.67 ± 2.61 19.63 ± 5.83 | 11.59 ± 7.62 4.52 ± 5.77 0.00 ± 0.00 5.37 ± 7.29 | |
2 | ||||
3 | ||||
Total | ||||
12 | 1 | 20.00 ± 7.46 21.29 ± 5.26 16.45 ± 2.43 19.25 ± 5.81 | 10.05 ± 7.07 3.51 ± 5.16 0.03 ± 0.38 4.53 ± 6.54 | |
2 | ||||
3 | ||||
Total | ||||
Posterior | 0 | 1 | 21.31 ± 6.38 17.98 ± 6.33 14.65 ± 3.04 17.98 ± 6.10 | 19.94 ± 10.91 7.19 ± 8.01 0.03 ± 0.43 9.05 ± 11.35 |
2 | ||||
3 | ||||
Total | ||||
4 | 1 | 23.08 ± 6.92 18.23 ± 6.58 14.90 ± 2.92 18.74 ± 6.66 | 21.08 ± 10.30 8.24 ± 8.45 0.04 ± 0.55 9.79 ± 11.58 | |
2 | ||||
3 | ||||
Total | ||||
8 | 1 | 14.58 ± 7.88 18.40 ± 7.10 13.40 ± 3.31 15.46 ± 6.75 | 16.32 ± 10.27 4.32 ± 6.93 0.06 ± 0.61 6.90 ± 9.92 | |
2 | ||||
3 | ||||
Total | ||||
12 | 1 | 11.48 ± 6.54 15.99 ± 6.78 11.29 ± 3.04 12.92 ± 6.10 | 8.16 ± 8.98 1.07 ± 3.86 0.00 ± 0.00 3.07 ± 6.70 | |
2 | ||||
3 | ||||
Total |
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Pellegrino, G.; Grande, F.; Ferri, A.; Pisi, P.; Gandolfi, M.G.; Marchetti, C. Three-Dimensional Radiographic Evaluation of the Malar Bone Engagement Available for Ideal Zygomatic Implant Placement. Methods Protoc. 2020, 3, 52. https://doi.org/10.3390/mps3030052
Pellegrino G, Grande F, Ferri A, Pisi P, Gandolfi MG, Marchetti C. Three-Dimensional Radiographic Evaluation of the Malar Bone Engagement Available for Ideal Zygomatic Implant Placement. Methods and Protocols. 2020; 3(3):52. https://doi.org/10.3390/mps3030052
Chicago/Turabian StylePellegrino, Gerardo, Francesco Grande, Agnese Ferri, Paolo Pisi, Maria Giovanna Gandolfi, and Claudio Marchetti. 2020. "Three-Dimensional Radiographic Evaluation of the Malar Bone Engagement Available for Ideal Zygomatic Implant Placement" Methods and Protocols 3, no. 3: 52. https://doi.org/10.3390/mps3030052