The comparison of microleakage on intracoronal restoration after non-vital bleaching

Jae-Eun Jung; Hee-Joo Lee; Bock Hur

doi:10.5395/JKACD.2003.28.1.057

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Original Article The comparison of microleakage on intracoronal restoration after non-vital bleaching: Jae-Eun Jung, Hee-Joo Lee, Bock Hur; Journal of Korean Academy of Conservative Dentistry 2003;28(1):57-63.
DOI: https://doi.org/10.5395/JKACD.2003.28.1.057
Published online: January 31, 2003

Department of Conservative dentistry, Collage of Dentistry, Pusan National University, Korea.

Corresponding author (hjolee@pusan.ac.kr)

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Abstract
REFERENCES

Abstract

The purpose of the present study were to evaluate microleakage of a fourth generation dentin-bonding agent following a walking bleaching treatment, to determine the effect of temporary postbleaching dressing with calcium hydroxide on microleakage and to investigate the effect of delayed intracoronal restoration on microleakage.

The results of this study were as follows:

1. Bleached groups showed more microleakage than unbleached group.

2. Immediately restored group following bleaching procedure showed the highest microleakage score.

3. One-week delayed restorations showed less microleakage but there were no statistically significant difference between group II and III.

4. Provisional dressing with calcium hydroxide had no influence on microleakage.

It is necessary to know the time that has elapsed from the bleaching treatment to the restoration procedure to achieve optimal seal, as well as to reduce the risk of microleakage in adhesive restoration.
Keywords: Bleaching; Intracoronal restoration; Microleakage

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Fig. 1

Schematic diagram to measure the degree of dye penetration

Table 1

The rating of the dye penetration

Table 2

Distribution of dye penetration score at intracoronal restoration

Table 3

Statistical analysis of microleakage between groups using Mann-Whitney U test

^*: comparisonal significance at p<0.05

Tables & Figures

REFERENCES

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The comparison of microleakage on intracoronal restoration after non-vital bleaching

J Korean Acad Conserv Dent. 2003;28(1):57-63. Published online January 31, 2003

DOI: https://doi.org/10.5395/JKACD.2003.28.1.057

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Figure

The comparison of microleakage on intracoronal restoration after non-vital bleaching

Fig. 1 Schematic diagram to measure the degree of dye penetration

Fig. 1

The comparison of microleakage on intracoronal restoration after non-vital bleaching

Table 1

The rating of the dye penetration

Table 2

Distribution of dye penetration score at intracoronal restoration

Table 3

Statistical analysis of microleakage between groups using Mann-Whitney U test

^*: comparisonal significance at p<0.05

Table 1 The rating of the dye penetration

Table 2 Distribution of dye penetration score at intracoronal restoration

Table 3 Statistical analysis of microleakage between groups using Mann-Whitney U test

^*: comparisonal significance at p<0.05