Variation in the microleakage produced by four different techniques in root fillings in a simulated root canal model.

Abstract:

:An in-vitro investigation was performed to assess the extent of apical microleakage in simulated canals in clear resin blocks. Four different methods of producing dye penetration were employed: passive dye penetration alone, centrifugation alone, vacuum plus passive dye penetration, and increased pressure plus passive dye penetration. Forty simulated root canals were prepared and obturated. The specimens were randomly allocated into four groups and each group was subjected to a different leakage technique using methylene blue dye as the detector. The maximum apical dye penetration observed through each of the four faces of the blocks was recorded. There were large variations in the leakage recorded in each individual specimen and between the specimens within each group. There were statistically significant differences between passive dye penetration and each of the other three techniques. There was no significant differences between the centrifugation, vacuum and pressure techniques.

journal_name

Int Endod J

authors

Pathomvanich S,Edmunds DH

doi

10.1111/j.1365-2591.1996.tb01362.x

subject

Has Abstract

pub_date

1996-05-01 00:00:00

pages

156-62

issue

3

eissn

0143-2885

issn

1365-2591

journal_volume

29

pub_type

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