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Periapical bone regeneration after endodontic microsurgery with three different root-end filling materials: Amalgam, SuperEBA, and mineral trioxide aggregate

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Authors
Baek, Seung-Ho; Lee, Woo Cheol; Kim, Syngcuk; Setzer, Frank C.
Issue Date
2010-08
Publisher
Elsevier
Citation
J Endod 2010;36(8):1323–1325
Keywords
amalgamapical bone regenerationmicroradiographmineral trioxide aggregateroot-end sealSuperEBA
Abstract
Introduction: The purpose of this study was to determine
the bone regeneration potential to different rootend
filling materials by evaluating the distance between
the materials and newly regenerated bone after root-end
surgery. Material and Methods: Periapical lesions
were induced in premolars and molars of five female
beagle dogs. The teeth were treated endodontically after
the development of the lesions. After 1 week, the teeth
underwent root-end surgery using modern microsurgical
techniques. Three different root-end filing materials
were used: amalgam (Tytin; Kerr Mfg Co, Romulus,
MI), SuperEBA (Bosworth, Skokie, IL), and mineral
trioxide aggregates (MTA; Dentsply, York, PA). After 4
months, the dogs were sacrificed, and the jaws were
prepared for histological sectioning. The distances from
the root-end filling materials to the regenerated bone
were determined by the evaluation of microradiographic
images of the sections with imaging software (Sigma
Scan/Image; Jandel Scientific Software, San Rafael,
CA). The results were statistically analyzed with analysis
of variance using Sigma Stat software (Jandel Scientific
Software, San Rafael, CA). Results: The mean distances
from the newly regenerated bone were 0.397 0.278
mm in the MTA group, 0.756 0.581 mm in the Super-
EBA group, and 1.290 0.386 mm in the amalgam
group. There was a statistically significant difference
between the amalgam and MTA groups (p < 0.05). No
significant differences existed for amalgam versus
SuperEBA and SuperEBA versus MTA. Conclusion:
MTA showed the most favorable periapical tissue
response. The distance from MTA to the regenerated
bone was similar to the normal average periodontal ligament
thickness in dogs.
ISSN
0099-2399
Language
English
URI
https://hdl.handle.net/10371/74085
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College of Dentistry/School of Dentistry (치과대학/치의학대학원)Dept. of Dentistry (치의학과)Journal Papers (저널논문_치의학과)
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