期刊
JOURNAL OF ENDODONTICS
卷 34, 期 4, 页码 459-462出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.joen.2008.01.005
关键词
chelating solution; final rinse; glucose; irrigation; leakage; MTAD; smear layer
This study assessed the effect of BioPure MTAD on the sealing ability on the basis of the filtration rate of glucose along the root fillings. Both 17% ethylenediaminetetraacetic acid (EDTA) and smear-covered dentin were used as reference patterns to compare the results. Sixty-four human upper incisors were prepared with different irrigation protocols (n = 18): G1, NaOCl; G2, NaOCl + EDTA; and G3, NaOCl + BioPure MTAD. The teeth were obturated and then prepared in a double-chamber apparatus to evaluate the glucose leakage along the root fillings. The amount of glucose leakage was quantified with spectrophotometry at 7, 14, 21, 28, 35, 42, 49, and 56 days. Leakage existed in every sample and was variable in all of the experimental groups, and Kruskal-Wallis H test results showed that there were no significant differences among the experimental groups (P >.05). The smear-covered dentin did not allow more glucose leakage than EDTA-treated and BioPure MTAD-treated dentin.
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