期刊
AUSTRALIAN ENDODONTIC JOURNAL
卷 48, 期 2, 页码 266-273出版社
WILEY
DOI: 10.1111/aej.12556
关键词
dentinal tubules; epoxy sealer; irrigation; sealer penetration; smear layer
资金
- European Regional Development Fund [POIG.02.01.00-12-023/08]
The study showed that irrigation protocols ended with chlorhexidine resulted in deeper sealer penetration compared to alcohol.
The aim was to assess the impact of irrigation protocols ended with ethanol or chlorhexidine on AH Plus penetration into dentinal tubules. 45 root canals were prepared to ISO 40/04, divided into three groups and irrigated with three protocols: Group 1 (control): 5.25% NaOCl; Group 2: 40% CA (citric acid), 5.25% NaOCl, 40% CA, water, ethanol; Group 3: 40% CA, 5.25% NaOCl, 40% CA, water, 2% chlorhexidine. Canals were filled using vertical condensation technique with gutta-percha and fluorescein-stained AH Plus sealer. After 72 h, 1 mm thick cross-sections were cut at 2, 5, 8 mm from the apex. Confocal laser microscope was used to measure the sealer penetration into dentinal tubules. Mean depth of sealer penetration (in micrometres) was 107, 131, 170 (Group 1); 146, 233, 317 (Group 2); 185, 301, 542 (Group 3); in apical, middle and coronal parts, respectively. Irrigation protocol ended with chlorhexidine resulted in the deeper sealer penetration compared with alcohol.
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