Background and Objectives: the study was conducted to evaluate the levels of stress produced in and around implants when placed at different sites for retraction and intrusion of maxillary anteriors. The other objective was to evaluate stress levels produced at implant bone interface when mini implants were placed at different angulations at the same site. Materials and Methodology: Finite element model of the maxilla and maxillary dentition was constructed using the CT skull of subject used in the study. All the accessories used like mini-implants, stainless steel wire, coil springs etc were scanned separately for obtaining detailed anatomic features. The force was given between retraction hook and mini -implant using NITI closed coil spring for intrusion and retraction of maxillary anterior teeth. The basic mechanical factors i.e. the stresses developed in mini implant, the angle of insertion of the mini implant into the bone surface were analyzed. Finite Element model was generated by Hyper mesh 9.0 software. Analysis was carried out by using Ansys 12.1 software. Results and Conclusion: All the set objectives were accomplished at the end of the study which included complete closure of extraction space by retraction and intrusion in the models. The following conclusions were drawn: The least stress was seen on an implant at middle third, when inserted at an angle of 800 to the bone surface, with application of 50-100mg of intrusive force on anterior implant and 200 gms of retractive force on posterior implant.
| Published in | International Journal of Dental Medicine (Volume 7, Issue 1) |
| DOI | 10.11648/j.ijdm.20210701.11 |
| Page(s) | 1-9 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2021. Published by Science Publishing Group |
Hyper Mesh, Ansys, TADs, FEM, Retraction, Intrusion
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APA Style
Mohammed Abdul Naqeed, Swaroopa Rani Ponnada, Vivek Reddy Ganugapanta. (2021). Three-Dimensional Finite Element Analysis for Stress Distribution During Intrusion and Retraction Using Orthodontic Mini-implants. International Journal of Dental Medicine, 7(1), 1-9. https://doi.org/10.11648/j.ijdm.20210701.11
ACS Style
Mohammed Abdul Naqeed; Swaroopa Rani Ponnada; Vivek Reddy Ganugapanta. Three-Dimensional Finite Element Analysis for Stress Distribution During Intrusion and Retraction Using Orthodontic Mini-implants. Int. J. Dent. Med. 2021, 7(1), 1-9. doi: 10.11648/j.ijdm.20210701.11
AMA Style
Mohammed Abdul Naqeed, Swaroopa Rani Ponnada, Vivek Reddy Ganugapanta. Three-Dimensional Finite Element Analysis for Stress Distribution During Intrusion and Retraction Using Orthodontic Mini-implants. Int J Dent Med. 2021;7(1):1-9. doi: 10.11648/j.ijdm.20210701.11
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Download@article{10.11648/j.ijdm.20210701.11,
author = {Mohammed Abdul Naqeed and Swaroopa Rani Ponnada and Vivek Reddy Ganugapanta},
title = {Three-Dimensional Finite Element Analysis for Stress Distribution During Intrusion and Retraction Using Orthodontic Mini-implants},
journal = {International Journal of Dental Medicine},
volume = {7},
number = {1},
pages = {1-9},
doi = {10.11648/j.ijdm.20210701.11},
url = {https://doi.org/10.11648/j.ijdm.20210701.11},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijdm.20210701.11},
abstract = {Background and Objectives: the study was conducted to evaluate the levels of stress produced in and around implants when placed at different sites for retraction and intrusion of maxillary anteriors. The other objective was to evaluate stress levels produced at implant bone interface when mini implants were placed at different angulations at the same site. Materials and Methodology: Finite element model of the maxilla and maxillary dentition was constructed using the CT skull of subject used in the study. All the accessories used like mini-implants, stainless steel wire, coil springs etc were scanned separately for obtaining detailed anatomic features. The force was given between retraction hook and mini -implant using NITI closed coil spring for intrusion and retraction of maxillary anterior teeth. The basic mechanical factors i.e. the stresses developed in mini implant, the angle of insertion of the mini implant into the bone surface were analyzed. Finite Element model was generated by Hyper mesh 9.0 software. Analysis was carried out by using Ansys 12.1 software. Results and Conclusion: All the set objectives were accomplished at the end of the study which included complete closure of extraction space by retraction and intrusion in the models. The following conclusions were drawn: The least stress was seen on an implant at middle third, when inserted at an angle of 800 to the bone surface, with application of 50-100mg of intrusive force on anterior implant and 200 gms of retractive force on posterior implant.},
year = {2021}
}
TY - JOUR T1 - Three-Dimensional Finite Element Analysis for Stress Distribution During Intrusion and Retraction Using Orthodontic Mini-implants AU - Mohammed Abdul Naqeed AU - Swaroopa Rani Ponnada AU - Vivek Reddy Ganugapanta Y1 - 2021/04/26 PY - 2021 N1 - https://doi.org/10.11648/j.ijdm.20210701.11 DO - 10.11648/j.ijdm.20210701.11 T2 - International Journal of Dental Medicine JF - International Journal of Dental Medicine JO - International Journal of Dental Medicine SP - 1 EP - 9 PB - Science Publishing Group SN - 2472-1387 UR - https://doi.org/10.11648/j.ijdm.20210701.11 AB - Background and Objectives: the study was conducted to evaluate the levels of stress produced in and around implants when placed at different sites for retraction and intrusion of maxillary anteriors. The other objective was to evaluate stress levels produced at implant bone interface when mini implants were placed at different angulations at the same site. Materials and Methodology: Finite element model of the maxilla and maxillary dentition was constructed using the CT skull of subject used in the study. All the accessories used like mini-implants, stainless steel wire, coil springs etc were scanned separately for obtaining detailed anatomic features. The force was given between retraction hook and mini -implant using NITI closed coil spring for intrusion and retraction of maxillary anterior teeth. The basic mechanical factors i.e. the stresses developed in mini implant, the angle of insertion of the mini implant into the bone surface were analyzed. Finite Element model was generated by Hyper mesh 9.0 software. Analysis was carried out by using Ansys 12.1 software. Results and Conclusion: All the set objectives were accomplished at the end of the study which included complete closure of extraction space by retraction and intrusion in the models. The following conclusions were drawn: The least stress was seen on an implant at middle third, when inserted at an angle of 800 to the bone surface, with application of 50-100mg of intrusive force on anterior implant and 200 gms of retractive force on posterior implant. VL - 7 IS - 1 ER -
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