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In vitro comparison of three different lengths of remaining gutta-percha for establishment of apical seal after post-space preparation
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- Rahimi Saeed
- Department of Endodontics, Tabriz Dental School, Tabriz University (Medical Sciences)
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- Shahi Shahriar
- Department of Endodontics, Tabriz Dental School, Tabriz University (Medical Sciences)
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- Nezafati Saeed
- Department of Oral and Maxillofacial Surgery, Tabriz Dental School, Tabriz University (Medical Sciences)
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- Reyhani Mohammad F.
- Department of Endodontics, Tabriz Dental School, Tabriz University (Medical Sciences)
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- Shakouie Sahar
- Department of Endodontics, Tabriz Dental School, Tabriz University (Medical Sciences)
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- Jalili Leila
- Private Practice
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Description
The quality of apical seal with regard to the length of remaining gutta-percha following post-space preparation is still controversial. The purpose of this in vitro study was to compare three different lengths of remaining gutta-percha for apical seal after post-space preparation. A total of 126 single-rooted extracted maxillary human anterior teeth with intact apices, straight roots, and without resorption were used in this study. The root canals were prepared and filled with gutta-percha and AH26 sealer. The post-space preparation was accomplished. Ninety-six teeth were randomly divided into three groups (4, 5 and 6 mm of gutta-percha was retained in group 1, 2 and 3, respectively).Thirty teeth were considered for the control groups in which 5 teeth served as positive and 5 teeth served as negative controls. The specimens were placed in India ink for 48 hours and then divided into two halves. The amount of leakage was observed and measured with a stereomicroscope at × 16 magnification and 0.1 mm accuracy. The results showed that there were significant differences among the three experimental groups (P < 0.05). The best apical seal after post-space preparation was associated with the maximum length of remaining gutta-percha in the apical portion of the treated teeth. (J. Oral Sci. 50, 435-439, 2008)
Journal
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- Journal of Oral Science
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Journal of Oral Science 50 (4), 435-439, 2008
Nihon University School of Dentistry
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Details 詳細情報について
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- CRID
- 1390282680022801664
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- NII Article ID
- 130000072802
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- ISSN
- 18804926
- 13434934
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- Text Lang
- en
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- Data Source
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- JaLC
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed