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Evaluation of physicochemical properties of root-end filling materials using conventional and Micro-CT tests
Fernanda Ferrari Esteves Torres1, Roberta Bosso-Martelo2, Camila Galletti Espir1
1Universidade Estadual Paulista, Faculdade de Odontologia, Departamento de Odontologia Restauradora, Araraquara, SP, Brasil.
Objective:
To evaluate solubility, dimensional stability, filling ability and volumetric change of root-end filling materials using conventional tests and new Micro-CT-based methods.
Material And Methods:
7.
Results:
The results suggested correlated or complementary data between the proposed tests. At 7 days, BIO showed higher solubility and at 30 days, showed higher volumetric change in comparison with MTA (p<0.05). With regard to volumetric change, the tested materials were similar (p>0.05) at 7 days. At 30 days, they presented similar solubility. BIO and MTA showed higher dimensional stability than ZOE (p<0.05). ZOE and BIO showed higher filling ability (p<0.05).
Conclusions:
ZOE presented a higher dimensional change, and BIO had greater solubility after 7 days. BIO presented filling ability and dimensional stability, but greater volumetric change than MTA after 30 days. Micro-CT can provide important data on the physicochemical properties of materials complementing conventional tests.
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