Palabras clave
Cymbopogon
Limpiadores protésicos
Dureza
Rugosidad
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Resumen
Objetivo: Evaluar los efectos de un gel limpiador a base de Cymbopogon citratus al 1% sobre la microdureza y microrrugosidad de resina acrílica tras cepillado simulado durante cinco años. Métodos: Estudio in vitro con 30 especímenes de resina acrílica termopolimerizable, divididos aleatoriamente en tres grupos (n=10): agua destilada (AD), dentífrico comercial Even® (DC) y gel con C. citratus al 1% (GC). Se realizaron simulaciones de cepillado equivalentes a 12, 36 y 60 meses de uso. Se evaluaron la microdureza y la rugosidad superficial antes y después de cada periodo. Resultados: El grupo GC no presentó alteraciones significativas en la microdureza a lo largo del tiempo (p=0,241), a diferencia de los grupos control. La rugosidad superficial se mantuvo estable en el grupo GC y aumentó en los demás. Conclusión: El gel con Cymbopogon citratus al 1% demostró ser una alternativa segura para la higiene de prótesis, conservando las propiedades físico-mecánicas de la resina acrílica. Su acción no abrasiva lo hace adecuado para pacientes con limitaciones físicas, ayudando a controlar el biofilm sin comprometer la integridad protésica.
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