Long-term seal provided by some root-end filling materials.

@article{Wu1998LongtermSP,
  title={Long-term seal provided by some root-end filling materials.},
  author={M -K Wu and Evangelos G Kontakiotis and Paul Wesselink},
  journal={Journal of endodontics},
  year={1998},
  volume={24 8},
  pages={557-60}
}
A tight and long-lasting seal of root-end fillings is of prime clinical importance. A hundred standard bovine root sections, each 3 mm high and with a central pulp lumen of 2.6 mm in diameter, were filled with five commonly used or potential root-end filling materials. At 24 h, or at 3, 6, or 12 months after filling, leakage along these filling materials was determined under a low headspace pressure of 10 kPa (0.1 atm) using a fluid transport model. During the first 3 months, the percentage of… CONTINUE READING

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