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International journal of interdisciplinary dentistry

versión impresa ISSN 2452-5596versión On-line ISSN 2452-5588

Resumen

MINTE, Carolina; BORIE, Eduardo; LEAL, Eduardo  y  SANDOVAL, Paulo. Para-root zone biomechanical analysis with and without the application of micro-osteoperforations in the jaw: Finite Elements Study. Int. j interdiscip. dent. [online]. 2021, vol.14, n.2, pp.162-164. ISSN 2452-5596.  http://dx.doi.org/10.4067/S2452-55882021000200162.

Objective:

The purpose of the present study was to biomechanically investigate if the treatment with micro-osteoperforations (Mops) generates displacement and tensions differences at bone level when an orthodontic load is applied, through the use of finite element analysis.

Material and Method:

A toothed jaw model where the second premolar was removed was used for the analysis. Subsequently, they were divided into 3 samples depending on the position of the Mops: 1) Without Mops (control); 2) Mops adjacent 1 mm to the first molar; 3) Mops 4 mm to molar. To simulate a closed Nitinol spring, an horizontal static load of 150 gr (1.5N) was applied, both at molar level in the mesial direction and at interproximal level between the canine and the lateral incisor in the distal direction.

Results:

Although a slight tendency to increase the displacement of the molar with the presence of Mops was observed, there were no major variations in relation to the magnitudes of displacement or tensions between the different models.

Conclusions:

From the biomechanical point of view, there are no obvious differences in the values of stresses or displacement between the models analyzed.

Palabras clave : Micro-osteoperforations; Finite elements analysis; Orthodontic load.

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