Lesiones radiolúcidas asociadas a mini-implantes de acero inoxidable durante el examen de rutina con tomografía computarizada de haz cónico: un estudio observacional
DOI:
https://doi.org/10.15517/8mqydn95Palabras clave:
Mini-implante; Lesión radiolúcida; CBCT.Resumen
El objetivo de este estudio fue determinar la prevalencia de lesiones radiolúcidas alrededor de mini-implantes utilizados para anclaje ortodóntico, durante la evaluación de rutina mediante tomografía computarizada de haz cónico (CBCT). Se evaluaron veintidos mini-implantes antes y después del tratamiento ortodóntico en adultos jóvenes que requerían anclaje absoluto. Todos los mini-implantes se colocaron en el arco maxilar, entre el segundo premolar y el primer molar permanente. Las CBCT tomadas inmediatamente después de la colocación de los mini-implantes (T1) y hacia el final del tratamiento (T2) se analizaron para determinar la presencia de radiolucidez alrededor de los mismos. Se registró una lesión radiolúcida cuando estaba presente en cualquiera de los planos: vista tangencial o corte transversal de la ventana panorámica, o en la vista coronal o sagital de la ventana multiplanar. La presencia/ausencia de radiolucidez se verificó individualmente en T1 y T2 y también se comparó entre T1 y T2. Se realizaron estadísticas descriptivas con distribución de frecuencias y porcentajes. El 31,82% de los mini-implantes mostró una pequeña radiolucidez en su punta en T1 y T2. El 13,64% de los mini-implantes presentó una radiolucidez lineal a lo largo de la longitud del mini-implante en T1 y T2. Dos de ellos mostraron una lesión periapical en el momento de la colocación del mini-implante (T1), la cual se acentuó y aumentó de tamaño en T2, mientras que dos presentaron una pequeña lesión periapical en T1 que se resolvió en T2. Tres presentaron lesiones radiolúcidas alrededor de la punta del mini-implante en T1, que cambiaron a una radiolucidez lineal a lo largo de la longitud del mini-implante en T2 y viceversa. El 45,45% de todos los mini-implantes evaluados mostró presencia de radiolucidez a su alrededor en T1 y el 50% presentó radiolucidez en T2.
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Derechos de autor 2025 A. Sumathi Felicita, T.N. Uma Maheswari.
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