J Korean Acad Conserv Dent.  2005 Jan;30(1):7-15. 10.5395/JKACD.2005.30.1.007.

Comparison of apical seal with or without the use of dentin adhesive system

• Lee MJ
• Park SH
• Choi GW

• KMID: 1986991
• DOI: http://doi.org/10.5395/JKACD.2005.30.1.007

Abstract

The purpose of this study was to compare the sealing ability of root canal obturation with or without the use of dentin adhesive system. Forty extracted human teeth with one canal were selected and decoronated. The teeth were divided into two Groups. The obturation procedure of Group 1 was the same as that of Group 2 with the exception of dentin adhesive system. Group 2 were obturated with dentin adhesive system, AH-26, and gutta-percha. After obturation, the teeth were immersed in methylene blue solution for 84 hours. The teeth were sectioned horizontally at 1.5 mm (Level 1), 2.0 mm (Level 2), 2.5 mm (Level 3) from the root apex using a low speed microtome. Distance of dye-penetrated surface and total dentinal surface were measured using SigmaScan Pro 5.0, and the ratio of dye-penetrated distance to the total dentinal distance was analyzed statistically by Mann-Whitney U-test. 1. In both groups, the mean leakage ratio was decreased cervically. 2. At level 1, there was no significant difference between group 1 and grpup 2 (p > 0.05). 3. At level 2 and 3, group 1 showed significantly higher mean leakage ratio than group 2 (p < 0.05). The results suggest that using dentin adhesive system in root canal obturation procedure reduces the apical microleakage.

Keyword

Dentin adhesive system; Root canal obturation; Sealing ability; Apical microleakage

MeSH Terms

Adhesives*
Dentin*
Gutta-Percha
Humans
Methylene Blue
Root Canal Obturation
Tooth
Adhesives
Gutta-Percha
Methylene Blue

Figure

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  Figure 1. Mean leakage ratio in each group

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  Figure 2. Representative photograph of the group without All-Bond 2. Level 1 (× 40)

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  Figure 3. Representative photograph of the group without All-Bond 2. Level 2 (× 40)

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  Figure 4. Representative photograph of the group without All-Bond 2. Level 3 (× 40)

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  Figure 5. Representative photograph of the group with All-Bond 2. Level 1 (× 40)

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  Figure 6. Representative photograph of the group with All-Bond 2. Level 2 (× 40)

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  Figure 7. Representative photograph of the group with All-Bond 2. Level 3 (× 40)

Reference

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