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Comparative Evaluation of Primary Stability of Two Different Types of Orthodontic Mini-Implants

BACKGROUND: The mini-implants introduced new possibilities of adequate anchorage in orthodontics. Furthermore, due to its small size, it can even be placed at relatively difficult sites with ease. Removal torque should be high to prevent implant unscrewing. OBJECTIVE: This prospective clinical trial...

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Autores principales: Singh, Jyotirmay, Singh, Sanjay Kumar, Gupta, Abhinav Raj, Nayak, Subhash Chandra, Vatsa, Ritesh, Priyadarshni, Priyanka
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Wolters Kluwer - Medknow 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8375815/
https://www.ncbi.nlm.nih.gov/pubmed/34447060
http://dx.doi.org/10.4103/jpbs.JPBS_604_20
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author Singh, Jyotirmay
Singh, Sanjay Kumar
Gupta, Abhinav Raj
Nayak, Subhash Chandra
Vatsa, Ritesh
Priyadarshni, Priyanka
author_facet Singh, Jyotirmay
Singh, Sanjay Kumar
Gupta, Abhinav Raj
Nayak, Subhash Chandra
Vatsa, Ritesh
Priyadarshni, Priyanka
author_sort Singh, Jyotirmay
collection PubMed
description BACKGROUND: The mini-implants introduced new possibilities of adequate anchorage in orthodontics. Furthermore, due to its small size, it can even be placed at relatively difficult sites with ease. Removal torque should be high to prevent implant unscrewing. OBJECTIVE: This prospective clinical trial was aimed to evaluate the insertion torque and removal torque of single-threaded and double-threaded cylindrical orthodontic mini-implants. MATERIALS AND METHODS: A total of 36 cases were randomly divided into two groups, with an equal number of patients in each group (n = 18). In Group 1 single-threaded cylindrical mini-implant was placed, and in the other group, cylindrical implants with double-threaded were placed. Maximum insertion torque (MIT) and maximum removal torques (MRTs) were recorded for both groups. Data collected were subjected to statistical analysis. RESULTS: MIT was found to be significantly higher than MRT for both the groups and between the groups. Intergroup comparison in the present study showed significantly higher values for MIT than MRT. Intergroup comparison of MIT showed more values for Group 2 as compared to Group 1. Similar statistically significant values were seen in terms with MRT, where double-threaded cylindrical mini-implants had more torque value than the other group. CONCLUSIONS: Orthodontic mini screws represent effective temporary anchorage devices. Double-threaded cylindrical mini-implants have significantly higher insertion and removal torque than single-threaded mini-implants and hence better stability.
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spelling pubmed-83758152021-08-25 Comparative Evaluation of Primary Stability of Two Different Types of Orthodontic Mini-Implants Singh, Jyotirmay Singh, Sanjay Kumar Gupta, Abhinav Raj Nayak, Subhash Chandra Vatsa, Ritesh Priyadarshni, Priyanka J Pharm Bioallied Sci Original Article BACKGROUND: The mini-implants introduced new possibilities of adequate anchorage in orthodontics. Furthermore, due to its small size, it can even be placed at relatively difficult sites with ease. Removal torque should be high to prevent implant unscrewing. OBJECTIVE: This prospective clinical trial was aimed to evaluate the insertion torque and removal torque of single-threaded and double-threaded cylindrical orthodontic mini-implants. MATERIALS AND METHODS: A total of 36 cases were randomly divided into two groups, with an equal number of patients in each group (n = 18). In Group 1 single-threaded cylindrical mini-implant was placed, and in the other group, cylindrical implants with double-threaded were placed. Maximum insertion torque (MIT) and maximum removal torques (MRTs) were recorded for both groups. Data collected were subjected to statistical analysis. RESULTS: MIT was found to be significantly higher than MRT for both the groups and between the groups. Intergroup comparison in the present study showed significantly higher values for MIT than MRT. Intergroup comparison of MIT showed more values for Group 2 as compared to Group 1. Similar statistically significant values were seen in terms with MRT, where double-threaded cylindrical mini-implants had more torque value than the other group. CONCLUSIONS: Orthodontic mini screws represent effective temporary anchorage devices. Double-threaded cylindrical mini-implants have significantly higher insertion and removal torque than single-threaded mini-implants and hence better stability. Wolters Kluwer - Medknow 2021-06 2021-06-05 /pmc/articles/PMC8375815/ /pubmed/34447060 http://dx.doi.org/10.4103/jpbs.JPBS_604_20 Text en Copyright: © 2021 Journal of Pharmacy and Bioallied Sciences https://creativecommons.org/licenses/by-nc-sa/4.0/This is an open access journal, and articles are distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as appropriate credit is given and the new creations are licensed under the identical terms.
spellingShingle Original Article
Singh, Jyotirmay
Singh, Sanjay Kumar
Gupta, Abhinav Raj
Nayak, Subhash Chandra
Vatsa, Ritesh
Priyadarshni, Priyanka
Comparative Evaluation of Primary Stability of Two Different Types of Orthodontic Mini-Implants
title Comparative Evaluation of Primary Stability of Two Different Types of Orthodontic Mini-Implants
title_full Comparative Evaluation of Primary Stability of Two Different Types of Orthodontic Mini-Implants
title_fullStr Comparative Evaluation of Primary Stability of Two Different Types of Orthodontic Mini-Implants
title_full_unstemmed Comparative Evaluation of Primary Stability of Two Different Types of Orthodontic Mini-Implants
title_short Comparative Evaluation of Primary Stability of Two Different Types of Orthodontic Mini-Implants
title_sort comparative evaluation of primary stability of two different types of orthodontic mini-implants
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8375815/
https://www.ncbi.nlm.nih.gov/pubmed/34447060
http://dx.doi.org/10.4103/jpbs.JPBS_604_20
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