Egipto
En un modelo maestro de resina de poliuretano que representaba una mandíbula completamente edéntula, se aseguraron cuatro implantes en el área interforaminal anterior. Las impresiones se efectuaron utilizando seis combinaciones de técnicas y materiales. Se fabricaron 10 modelos definitivos para cada técnica. Para medir las distancias lineales, se utilizó un microscopio móvil. No se observaron diferencias estadísticamente significativas entre las técnicas directas no ferulizadas y ferulizadas (P > 0, 05). No se dieron diferencias estadísticamente significativas entre los dos materiales de impresión.
A master cast representing a completely edentulous mandible was fabricated in polyurethane resin and had tour implants secured to the anterior interforaminal area. lmpressions were made using six technique-material combinations. Ten definitive casts were fabricated for each technique. Linear distances between implants were measured using a traveling microscope. There was no statistically significant difference between the direct unsplinted and splinted techniques (P > .05), while the indirect technique was statistically significantly different from the other two techniques (P < .05). There was no statistically significant difference between the two impression materials.
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