An Evaluation of the Solubility of Four Endodontic Sealers in Different Solvents (An In Vitro Study)

Abstract

Background: Complete removal of filling material from the root canal is an essential requirement for endodonticretreatment. The purpose of the present study is to evaluate and compare the dissolving capabilities of varioussolvents (Xylene, Eugenate Desobturator, Eucalyptol, EDTA and Distilled water (as a control)) on four different typesof sealer (Endofill, Apexit Plus, AH Plus and EndoSequence bioceramic sealer).Materials and method: Eighty samples of each sealer were prepared according to the manufacturers' instructionsand then divided into ten groups (of 8 samples) for immersion in the respective solvents for 2 and 5 min immersionperiods. Each sealer specimen was weighed to obtain its initial mass. The specimens were immersed in the testedsolvents for 2 and 5 min, followed by rinsing with double distilled water and blotted dry with an absorbent paper,then they were reweighed to determine its final mass. The mean of weight loss was determined for each material ineach solvent during the specified immersion period, and the values were subjected to statistical analysis.Results: Clear differences were shown in the solubility profile of these root canal sealers in the tested solvents. Theresult of the present study shows that Xylene had the greatest capacity for dissolving Endofill, Apexit Plus and AH Plus.Eugenate Desobturator, Eucalyptol and EDTA showed a highly significant dissolving capability on these sealers withvariations between these subgroups; EndoSequence BC sealer is insoluble in these tested solvents. Regarding theimmersion time, higher values of solubility were obtained at 5 min than that at 2 min immersion time.Conclusion: The results showed that Xylene, Eugenate Desobturator, Eucalyptol and EDTA can be used for theremoval of Endofill, Apexit Plus and AH Plus during endodontic retreatment with variations between these subgroups;D.W (control group) showed the least capacity for dissolving these sealers. EndoSequence BC sealer is insoluble inthe tested solvents