STUDY OF RHEOLOGICAL PROPERTIES OF ENDODONTIC SEALERS USED IN PEDIATRIC DENTISTRY

Abstract

The success of root canal treatment depends on effective cleaning of the root canal, eradication of pathogens and proper root canal filling. The present study aimed at comparing the flow, film thickness and radiopacity of three endodontic sealers; Roeko Seal Automix (RSA), Bioseal (BS) and Real Seal (RS). The sealers were tested according to the standard procedures which included flow test using glass plates, film thickness test under the applied load and radiographic test for radiopacity. The results showed the differences between the sealers’ performances; RS had the highest flow value of 38.2mm, film thickness of 25.7 microns and the radiopacity of 4.8mm Al which is equivalent or even better than the required ANSI/ADA standards. RSA formed a thin film of 8. 9 microns and had a reasonable radiopacity of 4.0mm Al while having a low flow of 33.1mm. BS had the highest flow value of 39. 5 mm but it did not meet the radiopacity requirement of 2.9 mm Al. Oneway analysis of variance gave a significant (p < 0. 05) difference indicating RS as the most suitable sealer. The results indicate that Radiopacity, flow and film thickness of RS are adequate for the clinical use and thus it can be considered as a potential substitute for endodontic procedures. It is recommended that future research be conducted to assess the effectiveness of sealers in terms of long term sealing ability and bacterial leakage.