Resumo

GUSMAO, Estela Santos et al. Radiographic diagnosis of prosthetics crowns. Odontol. Clín.-Cient. (Online) [online]. 2011, vol.10, n.3, pp. 255-258. ISSN 1677-3888.

The purpose of this study was to evaluate the presence and absence of failures by radiographic images of single prosthetic crowns, related to proximal contour, proximal contact, excess and lack of material, marginal fit and relation of the end of the preparation with the alveolar bone crest. Study participants included 292 patients enrolled for treatment at the Faculdade de Odontologia de Pernambuco - FOP/UPE, where after a clinical evaluation of the crowns, was conducted a radiographic procedure for optimal viewing. The radiographic images were analyzed using a negatoscope with a loupe with three times of increase. It was observed that all prosthetic crowns analyzed failed, identifying in a single crown more than one failure. It was observed significant association (p=0.034) between the variable excess of material in the anterior crowns, compared to posterior crowns, as well as association (p=0.022) between the cervical margin of the posterior crowns in relation to the proximity to the alveolar bone crest. It was concluded, therefore, that the prosthetics rehabilitation should not only restore the principle of aesthetic and functional, but mainly the biological, providing harmony between the prosthetic procedures and periodontal tissues and greater longevity of the restorative treatment, however this study observed a strong presence of failures in the confection of prosthetic crowns.

Palavras-chave : Diagnosis; Radiography; Dental Prosthesis..