Sealing Ability of Root Canal Filling in Canals Medicated with 3Mix-MP
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Date
2010-05-26
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Chiang Mai Dental Journal
Abstract
There has been a more tendency to use 3Mix-MP as intracanal medication because of its efficiency to eliminate bacteria remaining in endodontic lesion. However, Macrogol; which is a composition of vehicle may cause remnant of the medication in root canal and may affect on sealing ability of root canal fillings. The purpose of this study was to evaluate the sealing ability of root canal filling in canals medicated with 3Mix-MP. Extracted ninety-two human upper incisors were prepared and randomly divided into two groups. Group 1 was medicated with 3Mix-MP. Group 2 was not medicated. After irrigation, two teeth of each group were examined with SEM. The others were obturated with gutta percha and either AH plus or ZOE sealer. The specimens were subjected to leakage study using dye penetration method. Results showed that canals medicated with 3Mix-MP had significantly more leakage than those without medication in canals sealed with AH plus (P \< 0.05). However, there was no significantly difference of leakage among canals sealed with ZOE sealer.Keywords: sealing ability, root canal sealer, root canal filling, 3Mix-MP
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Chiang Mai Dental Journal; Vol. 31 No.1 2010; 95-102