Influence of different implant materials on the primary stability of orthodontic mini-implants

This study evaluates the influence of different implant materials on the primary stability of orthodontic mini-implants by measuring the resonance frequency. Twenty-five orthodontic mini-implants with a diameter of 2 mm were used. The first group contained stainless steel mini-implants with two diff...

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Main Authors: Chin-Yun Pan, Szu-Ting Chou, Yu-Chuan Tseng, Yi-Hsin Yang, Chao-Yi Wu, Ting-Hsun Lan, Pao-Hsin Liu, Hong-Po Chang
Format: Article
Language:English
Published: Wiley 2012-12-01
Series:Kaohsiung Journal of Medical Sciences
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1607551X12001313
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author Chin-Yun Pan
Szu-Ting Chou
Yu-Chuan Tseng
Yi-Hsin Yang
Chao-Yi Wu
Ting-Hsun Lan
Pao-Hsin Liu
Hong-Po Chang
author_facet Chin-Yun Pan
Szu-Ting Chou
Yu-Chuan Tseng
Yi-Hsin Yang
Chao-Yi Wu
Ting-Hsun Lan
Pao-Hsin Liu
Hong-Po Chang
author_sort Chin-Yun Pan
collection DOAJ
description This study evaluates the influence of different implant materials on the primary stability of orthodontic mini-implants by measuring the resonance frequency. Twenty-five orthodontic mini-implants with a diameter of 2 mm were used. The first group contained stainless steel mini-implants with two different lengths (10 and 12 mm). The second group included titanium alloy mini-implants with two different lengths (10 and 12 mm) and stainless steel mini-implants 10 mm in length. The mini-implants were inserted into artificial bones with a 2-mm-thick cortical layer and 40 or 20 lb/ft3 trabecular bone density at insertion depths of 2, 4, and 6 mm. The resonance frequency of the mini-implants in the artificial bone was detected with the Implomates® device. Data were analyzed by two-way analysis of variance followed by the Tukey honestly significant difference test (α = 0.05). Greater insertion depth resulted in higher resonance frequency, whereas longer mini-implants showed lower resonance frequency values. However, resonance frequency was not influenced by the implant materials titanium alloy or stainless steel. Therefore, the primary stability of a mini-implant is influenced by insertion depth and not by implant material. Insertion depth is extremely important for primary implant stability and is critical for treatment success.
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spelling doaj.art-719aefde4baa47ee860c21e29c6c0ac52022-12-22T02:28:28ZengWileyKaohsiung Journal of Medical Sciences1607-551X2012-12-01281267367810.1016/j.kjms.2012.04.037Influence of different implant materials on the primary stability of orthodontic mini-implantsChin-Yun Pan0Szu-Ting Chou1Yu-Chuan Tseng2Yi-Hsin Yang3Chao-Yi Wu4Ting-Hsun Lan5Pao-Hsin Liu6Hong-Po Chang7Department of Orthodontics, Dental Clinics, Kaohsiung Medical University Hospital, Kaohsiung, TaiwanDepartment of Orthodontics, Dental Clinics, Kaohsiung Medical University Hospital, Kaohsiung, TaiwanDepartment of Orthodontics, Dental Clinics, Kaohsiung Medical University Hospital, Kaohsiung, TaiwanDivision of Statistical Analysis, Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, TaiwanFaculty of Dentistry, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung, TaiwanDepartment of Prosthodontics, Dental Clinics, Kaohsiung Medical University Hospital, Kaohsiung, TaiwanDepartment of Biomedical Engineering, I-Shou University, Kaohsiung, TaiwanDepartment of Orthodontics, Dental Clinics, Kaohsiung Medical University Hospital, Kaohsiung, TaiwanThis study evaluates the influence of different implant materials on the primary stability of orthodontic mini-implants by measuring the resonance frequency. Twenty-five orthodontic mini-implants with a diameter of 2 mm were used. The first group contained stainless steel mini-implants with two different lengths (10 and 12 mm). The second group included titanium alloy mini-implants with two different lengths (10 and 12 mm) and stainless steel mini-implants 10 mm in length. The mini-implants were inserted into artificial bones with a 2-mm-thick cortical layer and 40 or 20 lb/ft3 trabecular bone density at insertion depths of 2, 4, and 6 mm. The resonance frequency of the mini-implants in the artificial bone was detected with the Implomates® device. Data were analyzed by two-way analysis of variance followed by the Tukey honestly significant difference test (α = 0.05). Greater insertion depth resulted in higher resonance frequency, whereas longer mini-implants showed lower resonance frequency values. However, resonance frequency was not influenced by the implant materials titanium alloy or stainless steel. Therefore, the primary stability of a mini-implant is influenced by insertion depth and not by implant material. Insertion depth is extremely important for primary implant stability and is critical for treatment success.http://www.sciencedirect.com/science/article/pii/S1607551X12001313Orthodontic mini-implantsPrimary stabilityResonance frequency analysisStainless steelTitanium alloy
spellingShingle Chin-Yun Pan
Szu-Ting Chou
Yu-Chuan Tseng
Yi-Hsin Yang
Chao-Yi Wu
Ting-Hsun Lan
Pao-Hsin Liu
Hong-Po Chang
Influence of different implant materials on the primary stability of orthodontic mini-implants
Kaohsiung Journal of Medical Sciences
Orthodontic mini-implants
Primary stability
Resonance frequency analysis
Stainless steel
Titanium alloy
title Influence of different implant materials on the primary stability of orthodontic mini-implants
title_full Influence of different implant materials on the primary stability of orthodontic mini-implants
title_fullStr Influence of different implant materials on the primary stability of orthodontic mini-implants
title_full_unstemmed Influence of different implant materials on the primary stability of orthodontic mini-implants
title_short Influence of different implant materials on the primary stability of orthodontic mini-implants
title_sort influence of different implant materials on the primary stability of orthodontic mini implants
topic Orthodontic mini-implants
Primary stability
Resonance frequency analysis
Stainless steel
Titanium alloy
url http://www.sciencedirect.com/science/article/pii/S1607551X12001313
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