Accuracy of partially edentulous arch impressions obtained from different alginates and storage times
Braz. j. oral sci
;
15(4): 252-257, Oct.-Dec. 2016. ilus
Artículo
en Inglés
| LILACS, BBO
| ID: biblio-875684
ABSTRACT
Purposes:
This study aimed to assess the dimensional accuracy of five commercial alginates verified in stone casts.Methods:
Each alginate impression (Cavex ColorChange, Cavex Holland BV; Jeltrate Plus, Dentsply; Hydrogum, Zhermack; Kromopan 100, Lascod; Ezact Kromm, Vigodent) was performed on partially edentulous standard stainless steel mandibular arch cast with reference points on teeth 33, 43, 37 and 47. On the stainless steel cast, the anteroposterior (33-37 and 43-47) and transverse (33-43 and 37-47) distances were measured in a stereomicroscope at 30x magnification and 0.5 µm accuracy. The distances between these points were measured three times, obtaining an average, which was analyzed statistically and compared with the distances obtained from the stone casts. For each alginate the casts were poured gypsum (n = 5) immediately and after a period of 1, 2, 3 and 5 days of the impression procedure.Results:
The dimensional accuracy values of stone and stainless steel casts were analyzed statistically by two-way ANOVA and Tukey's test (α=0.05). The results showed significant differences between the alginates; however, no differences in dimensional accuracy were found among the different storage times of alginate impression.Conclusions:
It can be concluded that the alginate impressions can be stored for up to 5 days (AU)
Texto completo:
Disponible
Índice:
LILACS (Américas)
Asunto principal:
Materiales de Impresión Dental
/
Alginatos
/
Precisión de la Medición Dimensional
/
Prótesis Mandibular
Idioma:
Inglés
Revista:
Braz. j. oral sci
Asunto de la revista:
Odontología
Año:
2016
Tipo del documento:
Artículo
País de afiliación:
Brasil
Institución/País de afiliación:
University of Campinas/BR
/
University of Santo Amaro/BR
/
University of Taubaté/BR
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