Spectrophotometric evaluation of sealing effects of several root-end filling materials

Jin-Gyu Yi; Sang-Jin Park; Kyung-Kyu Choi; Gi-Woon Choi

doi:10.5395/JKACD.2003.28.6.449

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Yi, Park, Choi, and Choi: Spectrophotometric evaluation of sealing effects of several root-end filling materials

Original Article

Journal of Korean Academy of Conservative Dentistry

Journal of Korean Academy of Conservative Dentistry 2003; 28(6): 449-456.

Published online: 30 November 2003

DOI: https://doi.org/10.5395/JKACD.2003.28.6.449

Spectrophotometric evaluation of sealing effects of several root-end filling materials

Jin-Gyu Yi, Sang-Jin Park, Kyung-Kyu Choi, Gi-Woon Choi

Department of Conservative Dentistry, College of Dentistry, Kyunghee University, Korea.

Corresponding author (gwchoi@khu.ac.kr)

(open-access):

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The purpose of this study is to evaluate the sealing effect of several root-end filling materials using spectrophotometric analysis. 180 single root teeth with one canal were instrumented and canal filled. Root resected and root end preparation was made. Teeth were randomly classified to 5 experimental group(MTA, EBA, IRM, TCP, ZOE) and 1 control group according to root-end filling material MTA group used PRO ROOT MTA, EBA group used Super EBA, TCP group used NEW APATITE LINER TYPE II main component of which is α-tricalcium phosphate(TCP). According to manufacture's instruction experimental material was mixed and retrfilled. After 2% methylene blue solution penetration absorbance for each test sample was measured with spectrophotometer (JASCO UV-530, Japan).

The mean absorbance of control and experimental group was as follows;

MTA : 0.092, IRM : 0.226, Super EBA : 0.255, ZOE : 0.374, Control : 0.425, TCP : 0.501 and the result analyzed by Turkey test at P=0.05 level.

Conclusions of this study are as follows;

The absorbance increase in follwing sequence MTA, IRM, Super EBA, ZOE, Control, TCP.
MTA showed the least leakage but was not significant with IRM or Super EBA and was significant with control or TCP(p<0.05).
TCP had the most leakage and was not significant with control group.

Keywords: Sealing effect, Root-end filling materials, Spectrophotometric analysis, Absorbance, MTA, TCP

Figures and Tables

Fig. 1

Authorized line of 2% methylene blue

Fig. 2

UV/Vis absorbance of Control

Fig. 3

UV/Vis absorbance of MTA

Fig. 4

UV/Vis absorbance of Super EBA

Fig. 5

UV/Vis absorbance of IRM

Fig. 6

UV/Vis absorbance of TCP

Fig. 7

UV /Vis absorbance of ZOE

Fig. 8

Mean UV/Vis absorbance of control and expeimental groups

Fig. 9

Comparison of mean UV/Vis absorbance

Table 1

Root-end filling materials used in this study

Table 2

Mean UV/Vis Absorbance of Control and Experimental Group

^*: control group

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