A COMPARATIVE STUDY OF CORONAL MICROLEAKAGE OF MTA AND GUTTA-PERCHA IN SHORT ROOTS PREPARED FOR POST BY BACTERIAL PENETRATION TECHNIQUE

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KHADEMI A.A.; SHEKARCHIZADEH EFAHANI N.

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Journal: JOURNAL OF DENTISTRY (SHIRAZ UNIVERSITY OF MEDICAL SCIENCES) Year:2011 | Volume:12 | Issue:2 (31) Page(s): 100-107

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Title

A COMPARATIVE STUDY OF CORONAL MICROLEAKAGE OF MTA AND GUTTA-PERCHA IN SHORT ROOTS PREPARED FOR POST BY BACTERIAL PENETRATION TECHNIQUE

Author(s)

KHADEMI A.A. | SHEKARCHIZADEH EFAHANI N. | Issue Writer Certificate

Keywords

CORONAL LEAKAGEQ2

POSTQ1

GUTTA-PERCHAQ1

MTAQ1

Abstract

Statement of Problems: Minimum length of the root end filling material and pulling out of GUTTA-PERCHA during POST space preparation is one of the complications of POST insertion in the short root teeth with short root.Purpose: The aim of this study was to investigate the CORONAL LEAKAGE of Enterococcus Faecalis in the short root teeth with short root filled with GUTTA-PERCHA and Mineral trioxide aggregate plug. Materials and Method: In this in vitro study, 40 single-root extracted human teeth with a root length of 13 mm of root length were selected. Due to the shortnes of the root, 3 mm was considered for canal filling material and 10 mm for the required POST space was considered. In order to prepare the canal, filing was done to size 50, using step back technique. No 2, 3 and 4 Gates Glidden was used for POST space preparation. The teeth were divided into two experimental groups (Gutta-Percha, MTA) randomly. 15 Fifteen teeth were filled with GUTTA-PERCHA and AH26 sealer using lateral compaction, and then POST space was prepared immediately in a way so that only 3mm of GUTTA-PERCHA remained in the apical part. The other 15 teeth were filled with 3mm MTA plug. Then, ten 10 teeth were used in the positive and negative control groups. In In the positive control group, the teeth were filled with master cone without sealer and in the negative control group, the teeth were filled with GUTTA-PERCHA and AH26 sealer using lateral compaction. .The working length was 13 mm and the coronal parts of the roots were sealed with stick wax. After the setting time of the filling material, Enterococcus Faecalis was injected into the canals and the teeth were kept in this environment for 120 days. Then, the time of turbidity of each specimen was recorded. Finally, the data were analyzed with using Fisher Exact test.Results: In the GUTTA-PERCHA group, all the specimens showed leakage between during days 12-35. In the MTA group, leakage was observed in only four specimens between during day 74-113. The positive control group showed leakage in all the specimens during 2 days. None of the specimens in the negative control group leaked. There was Statistically a statistically significant difference between Gitta-percha and MTA groups (p<0.001). Conclusion: Based of on the results of this study, the sealing ability of MTA is better than GUTTA-PERCHA as an ortograde root filling material prepared for POST insertion in the teeth with minimum length of root.

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APA: Copy

KHADEMI, A.A., & SHEKARCHIZADEH EFAHANI, N.. (2011). A COMPARATIVE STUDY OF CORONAL MICROLEAKAGE OF MTA AND GUTTA-PERCHA IN SHORT ROOTS PREPARED FOR POST BY BACTERIAL PENETRATION TECHNIQUE. JOURNAL OF DENTISTRY (SHIRAZ UNIVERSITY OF MEDICAL SCIENCES), 12(2 (31)), 100-107. SID. https://sid.ir/paper/108584/en

Vancouver: Copy

KHADEMI A.A., SHEKARCHIZADEH EFAHANI N.. A COMPARATIVE STUDY OF CORONAL MICROLEAKAGE OF MTA AND GUTTA-PERCHA IN SHORT ROOTS PREPARED FOR POST BY BACTERIAL PENETRATION TECHNIQUE. JOURNAL OF DENTISTRY (SHIRAZ UNIVERSITY OF MEDICAL SCIENCES)[Internet]. 2011;12(2 (31)):100-107. Available from: https://sid.ir/paper/108584/en

IEEE: Copy

A.A. KHADEMI, and N. SHEKARCHIZADEH EFAHANI, “A COMPARATIVE STUDY OF CORONAL MICROLEAKAGE OF MTA AND GUTTA-PERCHA IN SHORT ROOTS PREPARED FOR POST BY BACTERIAL PENETRATION TECHNIQUE,” JOURNAL OF DENTISTRY (SHIRAZ UNIVERSITY OF MEDICAL SCIENCES), vol. 12, no. 2 (31), pp. 100–107, 2011, [Online]. Available: https://sid.ir/paper/108584/en

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