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BMC Oral Health

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Open Access 01-12-2017 | Research article

Effects of implant length and 3D bone-to-implant contact on initial stabilities of dental implant: a microcomputed tomography study

Authors: Jui-Ting Hsu, Aaron Yu-Jen Wu, Lih-Jyh Fuh, Heng-Li Huang

Published in: BMC Oral Health | Issue 1/2017

Abstract

Background

The influences of potential bone-to-implant contact (BIC) area (pBICA), BIC area (BICA), and three dimensional (3D) BIC percentage (3D BIC%; defined as BICA divided by pBICA) in relation to the implant length on initial implant stability were studied. Correlations between these parameters were also evaluated.

Methods

Implants with lengths of 8.5, 10, 11.5, and 13 mm were placed in artificial bone specimens to measure three indexes of the initial implant stability: insertion torque value (ITV), Periotest value (PTV), and implant stability quotient (ISQ). The implants and bone specimens were also scanned by microcomputed tomography, and the obtained images were imported into Mimics software to reconstruct the 3D models and calculate the parameters of 3D bone-to-implant contact including pBICA, BICA, and 3D BIC%. The Kruskal-Wallis test, Wilcoxon rank-sum test with Bonferroni adjustment, and Spearman correlations were applied for statistical and correlation analyses.

Results

The implant length affected ITV more than PTV and ISQ, and significantly affected pBICA, BICA, and 3D BIC%. A longer implant increased pBICA and BICA but decreased 3D BIC%. The Spearman coefficients were high (>0.78) for the correlations between the three 3D BIC parameters and the three indexes of the initial implant stability.

Conclusions

pBICA, BICA, and 3D BIC% are useful when deciding on treatment plans related to various implant lengths, since these 3D BIC parameters are predictive of the initial implant stability.

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Title: Effects of implant length and 3D bone-to-implant contact on initial stabilities of dental implant: a microcomputed tomography study
Authors: Jui-Ting Hsu
Aaron Yu-Jen Wu
Lih-Jyh Fuh
Heng-Li Huang
Publication date: 01-12-2017
Publisher: BioMed Central
Published in: BMC Oral Health / Issue 1/2017
Electronic ISSN: 1472-6831
DOI: https://doi.org/10.1186/s12903-017-0422-1

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Springer Medicine

Effects of implant length and 3D bone-to-implant contact on initial stabilities of dental implant: a microcomputed tomography study

Abstract

Background

Methods

Results

Conclusions

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Springer Medicine

Abstract

Background

Methods

Results

Conclusions

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