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Comparison of Different Techniques for Obturating Experimental Internal Resorptive Cavities by F. Goldberg; E. J. Massone; M. Esmoris; D. Alfie is a Dentistry article available to read on EtoBox.

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**Abstract –** Forty extracted maxillary central incisors were instrumented at the working length to a #50 file. The roots were sectioned transversely with a diamond disk at 7 mm from the anatomical apex. At the opening of the root canal of each section, hemi‐circular cavities were drilled with a specially designed bur. The corresponding root sections were cemented with glue, thus obtaining root canals with similar cavities that simulated internal resorptions. Teeth were embedded in plaster casts to facilitate their handling. The specimens were randomly separated into four groups of 10. The following obturation techniques were evaluated: lateral compaction (group A), hybrid technique (group B), Obtura II (group C), and Thermafil (group D). AH26 was used as the sealer. After obturation, the plaster was removed and the teeth were radiographed in buccolingual and mesiodistal directions to evaluate the quality of the obturation at the IRC. The incisors were then cut with a scalpel at the same level as the previous section, to examine, under a stereomicroscope, the type of material that filled the IRC. Obtura II gave the best results and in most of the specimens obturated with this tech

Who reads Comparison of Different Techniques for Obturating Experimental Internal Resorptive Cavities?

Author

F. Goldberg; E. J. Massone; M. Esmoris; D. Alfie

Publisher

John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley; FASEB (ISSN 1600-4469)

Published

2000

Language

EN

Field

Dentistry (Health Sciences)