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Effect of various final irrigation solutions at different temperatures on dentin tubule penetration of
Esra Arılı Öztürk1, Burhan Can Çanakçi2, Ceren Turan Gökduman1
1Faculty of Dentistry, Department of Endodontics, Trakya University, Edirne, Turkey.
Background:
To evaluate the effect of 4 final irrigation solutions at different temperatures on dentin tubule penetration of bioceramic-based sealer using the warm vertical compaction method with a laser scanning confocal microscope (CLSM).
Methods:
In total, 180 human maxillary incisors were prepared. Different final irrigation solutions [distilled water, ethylenediaminetetraacetic acid (EDTA), peracetic acid, or 1-hydroxyethylidene-1,1-bisphosphonate (HEBP)] at various temperatures (25, 36, or 60˚C) were used. Obturation was performed via warm vertical compaction using a bioceramic-based sealer. Three horizontal sections were obtained from each specimen and observed using CLSM. The maximum penetration depth, penetration area, and penetration percentage were measured. Comprasions were performed using three-way robust ANOVA, and Bonferroni correction (P < 0.05).
Results:
The effects of different solutions and temperatures on the maximum sealer penetration depth were similar (P > 0.05). Different temperatures significantly affected the penetration area in the apical section at EDTA (60 °C > 25 °C, P < 0.05), and in middle section at peracetic acid (36 °C > 60 °C, P < 0.05). In addition, different temperatures significantly affected penetration percentage in the middle section of the HEBP (60 °C > 25 °C, P < 0.05). The effect of cross-sectional area was significant in all parameters (Coronal > Middle > Apical, P < 0,05).
Conclusions:
According to the results of this study, heating of the final irrigation solution may affect sealer penetration.
