Design of orthodontic mini-implants contributing to implantation torque

Katić, Višnja and Špalj, Stjepan and Opalić, Milan and Domitran, Zoran (2014) Design of orthodontic mini-implants contributing to implantation torque. = Design of orthodontic mini-implants contributing to implantation torque. In: 2nd International Conference on Biodental Engineering, BIODENTAL 2012, 07-08.12.2012., Porto; Portugal.

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Aim was to determine contribution of design characteristics of orthodontic mini-implants on Maximum Insertion Torque (MIT), vertical force at MIT and maximum vertical force during implantation, with cortical bone thickness as covariate. Ten specimens of six types of cylindrical self-drilling orthodontic miniimplants (Dual Top) with diameters from 1.4 to 2.0mm and length of 6 and 8mm were measured using optical stereomicroscope, and then manually inserted into the swine ribs. Cortical bone thickness was measured with a digital sliding caliper. The MIT and vertical forces were recorded, and interpreted with ANOVA and F Value. Cortical bone thickness (p<0.0001), length of implant (p=0.0065) and lead angle of thread (p=0.0003) have significant influence on the MIT, R-Squared=0.5520, F Value=1.41. Maximum vertical force during implantation depends on length of screw (p=0.0493), and lead angle of thread (p<0.0001), with R-Squared=0.5962 and F Value=1.13. © 2014 Taylor & Francis Group, London.

Item Type: Conference or Workshop Item (Lecture)
Keywords (Croatian): Cortical bone; Covariates; Design characteristics; F values; Insertion torque; Lead angle; Vertical force; Engineering; Industrial engineering; Bone
Divisions: 100 Department of Design > 120 Chair of Machine Elements
Indexed in Web of Science: No
Indexed in Current Contents: No
Citations SCOPUS: 1 (14.11.2016.)
Date Deposited: 02 Jun 2015 12:13
Last Modified: 14 Nov 2016 15:36

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