Experimental study to establishing the insertion torque on dental implant
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Universidad Santo Tomás. Seccional Bucaramanga
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El principal propósito del trabajo de investigación consistió en el desarrollo de un estudio para conocer los rangos de valores de torque de inserción del implante dental recomendados para reducir la probabilidad de generar sobrecarga patológica en densidades de tejido óseo de mandíbula de la región molar. Se fabricaron implantes en Ti6Al4V para ser insertados en probetas de tejido óseo de cadáver de mandíbula humana, así como probetas de hueso sustituto Sawbone® normalizadas con densidades similares al hueso tipo densidad D2. Los implantes fueron insertados en las probetas registrando la medición del torque de inserción. Los datos obtenidos en el ensayo fueron usados en simulaciones basadas en el método de elementos finitos. De este modo se pudo conocer los valores de torque cuyas deformaciones unitarias fueron inferiores al0.4% de la deformación unitaria en la interfase hueso implante. A partir del caso de estudio, se recomendaron los valores de torque de inserción para ser aplicados en inserción de implantes en una cirugía.
The main purpose of this research was the development of a study to determine the values of insertion torque recommended to reduce the likelihood of generating pathological overload of mandible molar region due to insertion torque applied to adjust the dental implant. Ti6Al4V dental implants were manufactured to be inserted into bone tissue specimens of human cadaver jaw and similar densities of bone substitute specimens Sawbone ® normalized like bone density D2 type. Then were measured the insertion torque data recording to adjust the implant at samples. Data from the test were used in simulations based on the finite element method. Through the elastic strain criteria, it was known the strain values less than 0,4% of the elastic strain at the bone implant interface. Based on outputs case study, the values of insertion torque to be applied to insert implants surgery are recommended.
The main purpose of this research was the development of a study to determine the values of insertion torque recommended to reduce the likelihood of generating pathological overload of mandible molar region due to insertion torque applied to adjust the dental implant. Ti6Al4V dental implants were manufactured to be inserted into bone tissue specimens of human cadaver jaw and similar densities of bone substitute specimens Sawbone ® normalized like bone density D2 type. Then were measured the insertion torque data recording to adjust the implant at samples. Data from the test were used in simulations based on the finite element method. Through the elastic strain criteria, it was known the strain values less than 0,4% of the elastic strain at the bone implant interface. Based on outputs case study, the values of insertion torque to be applied to insert implants surgery are recommended.
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Biomechanical and Virtual Simulation, Implant, Finite element models, Torque, Biomecánica y simulación, Implante, Modelos de elementos finitos, Torque
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