Publication: Mineral trioxide aggregate repair of lateral root perforations
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Abstract
This study was conducted to observe the healing process of intentional lateral root perforation repaired with mineral trioxide aggregate (MTA). Forty-eight root canals of dogs' teeth were instrumented and filled. After partial removal of the filling, an intentional perforation was made with a bur in the lateral area of the root. The perforations were repaired with MTA or Sealapex (control group). Histological analysis occurred 30 and 180 days after treatment. Results showed no inflammation and deposition of cementum over MTA in the majority of the specimens. In the 180-day period, Sealapex exhibited chronic inflammation in all the specimens and slight deposition of cementum over the material in only three cases. In conclusion, MTA exhibited better results than the control group. Copyright © 2001 by The American Association of Endodontists.
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Keywords
aluminum derivative, calcium derivative, calcium hydroxide, mineral trioxide aggregate, oxide, root canal filling material, salicylic acid derivative, sealapex, silicate, animal, cementum, connective tissue, dog, drug combination, endodontics, follow up, giant cell, inflammation, injury, instrumentation, macrophage, pathology, periodontal ligament, tooth pulp, tooth root, wound healing, Aluminum Compounds, Animals, Calcium Compounds, Calcium Hydroxide, Connective Tissue, Dental Cementum, Dental Pulp Cavity, Dogs, Drug Combinations, Follow-Up Studies, Giant Cells, Inflammation, Macrophages, Oxides, Periodontal Ligament, Root Canal Filling Materials, Root Canal Preparation, Salicylates, Silicates, Tooth Root, Wound Healing
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English
Citation
Journal of Endodontics, v. 27, n. 4, p. 281-284, 2001.
