NDLI: Correlation between remaining length of root canal fillings after immediate post space preparation and coronal leakage.

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Correlation between remaining length of root canal fillings after immediate post space preparation and coronal leakage.

Content Provider	Semantic Scholar
Author	Metzger, Zvi Abramovitz, Rene Abramovitz, Lilach Tagger, Michael
Copyright Year	2000
Abstract	The seal provided by root canal fillings after post space preparation was studied using a pressure-driven radioactive tracer assay. The coronal part of root canal fillings was immediately removed, using a hot plugger, to a remaining length of either 3, 5, 7, or 9 mm. Intact root canal fillings of 14 mm served as control. Application of air pressure of 130 mm Hg to the tracer solution drove it through the fillings and into phosphate-buffered saline surrounding the apex. Leakage gradually increased for 28 days, and differences in the leakage through 3 to 9 mm fillings were demonstrated. In a passive system by which an additional group of teeth were tested none of these differences could be detected. It was concluded that: (a) root canal fillings of 3, 5, and 7 mm have an inferior seal, compared with that of an intact filling; (b) the sealing is proportional to the length of the remaining filling; and (c) a passive system is unable to detect these differences, even when conducted for as long as 28 days.
File Format	PDF HTM / HTML
DOI	10.1097/00004770-200012000-00014
Alternate Webpage(s)	http://www.metzger-endo.co.il/wp-content/uploads/2015/10/29-Metzger-Revital-2000.pdf?x87290
PubMed reference number	11471642
Alternate Webpage(s)	https://doi.org/10.1097/00004770-200012000-00014
Journal	Medline
Volume Number	26
Issue Number	12
Journal	Journal of endodontics
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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