Publicado

2021-08-01

Protocolo estandarizado para la observación de la imagen tomográfica en endodoncia

Standardized protocol of observation of the tomographic image in endodontics

DOI:

https://doi.org/10.15446/aoc.v11n2.95423

Palabras clave:

Tomografía computarizada de haz cónico, lesión periapical, precisión de las mediciones, periodontitis apical, periodontitis periapical (es)

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Objetivo: establecer un protocolo estandarizado de observación de la tomografía computarizada de haz cónico (CBCT) en endodoncia, para determinar de manera sistemática las dimensiones de las lesiones apicales crónicas. Métodos: análisis y aplicación de las herramientas de los software tomográficos de haz cónico usados para la exploración de tejidos dentales y periapicales, con previa revisión bibliográfica del tema. Posteriormente, se diseñaron los pasos sistemáticos estandarizados de observación y medición de la imagen tomográfica dental en endodoncia, con lo cual se estableció el protocolo. Finalmente, se entrenaron dos endodoncistas en la aplicación del protocolo para medir sistemáticamente las dimensiones de lesiones apicales crónicas (altura, profundidad y ancho) Resultados: Se generó un documento con material gráfico sobre los pasos a seguir del protocolo estandarizado y se realizó una prueba estadística de concordancia, que evidenció un alto grado de coincidencia entre las mediciones hechas por las endodoncistas entrenadas (observadoras 2 y 3) frente a las de una radióloga experta (observadora 1). El mayor grado de acuerdo se encontró entre las observadoras 1 y 2 en la vista sagital al evaluar la altura de la lesión (ICC: 0.9997545), mientras que, las observadoras 1 y 3 lograron el mayor grado de acuerdo en la vista axial (ICC 0.9996737, IC 95%) al evaluar la profundidad de la lesión. Conclusión: la aplicación de este protocolo sencillo, sistemático y estandarizado de observación de tomografía dental permite evaluar de manera confiable, reproducible y precisa la imagen de la periodontitis apical y, a su vez, alcanzar un alto grado de concordancia cuando se miden lesiones apicales.

 

Objective: Establish a standardized protocol for the observation of Cone Beam Computed Tomography (CBCT) in endodontics, to systematically determine the dimensions of chronic apical lesions. Methods: Analysis and application of the tools of the specific Cone Beam Computed Tomography software for the exploration of dental and periapical tissues, prior literature review of the subject. Subsequently, the design of standardized systematic steps of observation and measurement of the dental tomographic image in Endodontics, thus establishing the Protocol. Finally, training of 2 Endodontists in the application of the Protocol by an expert Radiologist, measuring the dimensions of chronic apical lesions (height, depth and width) in 45 high-resolution conical beam dental tomographs and checking its usefulness, through a concordance test using the Intraclass Correlation Index (ICC). Results: A written document was generated with explanatory graphic material on the steps to follow by the Standardized Protocol and a statistical concordance test was carried out that evidenced a high degree of agreement between the measurements of the trained endodontists (observers 2 and 3) against the expert radiologist (observer 1). The highest degree of agreement was found among observers 1 and 2 in the sagittal view when assessing the height of the lesion (ICC: 0.9997545), while observers 1 and 3 achieved the highest degree of agreement in axial vision (ICC 0.9996737, 95% CI) when assessing the depth of the lesion. Conclusion: The application of this simple, systematic and standardized protocol for the observation of dental tomography in clinical practice makes it possible to reliably, reproducibly and accurately assess the image of apical periodontitis, prior observer training, allowing a high degree of concordance to be achieved when apical lesions are measured.

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Cómo citar

Bonilla–Gutiérrez, M. ., Delgado–Rodríguez, C. E. . ., & Camargo–Huertas , H. G. (2021). Protocolo estandarizado para la observación de la imagen tomográfica en endodoncia. Acta Odontológica Colombiana, 11(2), 66-85. https://doi.org/10.15446/aoc.v11n2.95423