Survey and analysis of optical density of dental films processed manually in portable dark chambers
Res. Biomed. Eng. (Online)
;
31(1): 78-81, Jan-Mar/2015. graf
Artículo
en Inglés
| LILACS
| ID: biblio-829417
ABSTRACT
Introduction Intraoral film processing can be performed manually using chambers manufactured from opaque material to prevent light from entering and consequently blurring images. The aim of this study was to evaluate whether portable darkrooms used in offices, clinics and educational institutions prevent the entry of light during the processing of intraoral films. Methods To this end, tests were carried out and images were analyzed by measuring the optical base-plus-fog densities (ODs) upon imaging. Results Review of the OD measurements revealed that in 70.7% of the evaluated manual portable revelation cameras, the base-plus-veil density of intraoral films was not in accord with that of the protocol reference. Discussion The results of this work can be used to identify chambers that are commonly exposed to light from fluorescent lamps and solar lighting.
Texto completo:
Disponible
Índice:
LILACS (Américas)
Tipo de estudio:
Guía de Práctica Clínica
Idioma:
Inglés
Revista:
Res. Biomed. Eng. (Online)
Asunto de la revista:
Engenharia Biomdica
Año:
2015
Tipo del documento:
Artículo
País de afiliación:
Brasil
Institución/País de afiliación:
Universidade Tecnológica Federal do Paraná/BR
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