Article
Influence of implant design and under-preparation of the implant site on implant primary stability. An in vitro study
Author/s | Herrero Climent, Mariano
Ferreira Lemos, Bernardo Herrero Climent, Federico Falcao, C. Oliveira, Helder Herrera Martínez, Manuela Gil, Francisco Javier Ríos Carrasco, Blanca Ríos-Santos, J.V. |
Department | Universidad de Sevilla. Departamento de Estomatología |
Publication Date | 2020-06-20 |
Deposit Date | 2020-11-06 |
Published in |
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Abstract | The aim of this study was to evaluate the effects of different implant sites an under-preparation sequence associated with two different implant designs on implant primary stability measured by two parameters: insertion ... The aim of this study was to evaluate the effects of different implant sites an under-preparation sequence associated with two different implant designs on implant primary stability measured by two parameters: insertion torque (IT) and implant stability quotient (ISQ). It used two different implants: one cylindrical as a control and another one with a tapered design. The implants were inserted in type III fresh humid bovine bone and four drilling sequences were used: one control, the one proposed by the implant company (P1), and three different undersized (P2, P3 and P4). P2 was the same as P1 without the cortical drill, P3 was without the last pilot drill and P4 was without both of them. The sample size was n = 40 for each of the eight groups. Final IT was measured with a torquemeter and the ISQ was measured with Penguin resonance frequency analysis. Results showed that both ISQ and IT have a tendency to increase as the preparation technique reduces the implant site diameter when compared with the standard preparation, P1. The preparations without cortical drill, P2 and P4, showed the best results when compared with the ones with a cortical drill. Tapered implants always showed higher or the same ISQ and IT values when compared with the cylindrical implants. Giving the limitations of this study, it can be concluded that reducing implant preparation can increase IT and ISQ values. Removing the cortical drill and the use of a tapered design implant are also effective methods of increasing primary implant stability. |
Citation | Herrero Climent, M., Ferreira Lemos, B., Herrero Climent, F., Falcao, C., Oliveira, H., Herrera Martínez, M.,...,Ríos-Santos, J.V. (2020). Influence of implant design and under-preparation of the implant site on implant primary stability. An in vitro study. International Journal of Environmental Research and Public Health, 17 (4436), 1-13. |
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