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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/66834
Title: 
Calcium salts deposition in rat connective tissue after the implantation of calcium hydroxide-containing sealers
Author(s): 
Institution: 
Universidade Estadual Paulista (UNESP)
ISSN: 
0099-2399
Abstract: 
This study was conducted to observe the rat subcutaneous connective tissue reaction to implanted dentin tubes that were filled with mineral trioxide aggregate, Sealapex, Calciobiotic Root Canal Sealer (CRCS), Sealer 26, and the experimental material, Sealer Plus. The animals were sacrificed after 7 and 30 days, and the specimens were prepared for histological analysis after serial sections with a hard-tissue microtome. The undecalcified sections were examined with polarized light after staining according to the Von Kossa technique for calcium. At the tube openings, there were Von Kossa-positive granules that were birefringent to polarized light. Next to these granulations, there was irregular tissue, like a bridge, that was Von Kossa-positive. The dentin walls of the tubes exhibited a structure highly birefringent to polarized light, usually like a layer, in the tubules. These results were observed with all the studied materials, except the CRCS, which didn't exhibit any kind of mineralized structure. The results suggest that among the materials studied, the CRCS could have the least possibility of encouraging hard tissue deposition.
Issue Date: 
1-Mar-2002
Citation: 
Journal of Endodontics, v. 28, n. 3, p. 173-176, 2002.
Time Duration: 
173-176
Keywords: 
  • aluminum derivative
  • bismuth
  • Calcibiotic Root Canal Sealer
  • calcium derivative
  • calcium hydroxide
  • mineral trioxide aggregate
  • oxide
  • root canal filling material
  • salicylic acid derivative
  • sealapex
  • Sealer 26
  • silicate
  • zinc oxide
  • animal
  • birefringence
  • chemistry
  • comparative study
  • connective tissue
  • dentin
  • drug combination
  • drug effect
  • human
  • rat
  • tooth pulp disease
  • ultrastructure
  • Aluminum Compounds
  • Animals
  • Birefringence
  • Bismuth
  • Calcium Compounds
  • Calcium Hydroxide
  • Connective Tissue
  • Dentin
  • Dentin, Secondary
  • Drug Combinations
  • Humans
  • Oxides
  • Rats
  • Root Canal Filling Materials
  • Salicylates
  • Silicates
  • Zinc Oxide
Source: 
http://dx.doi.org/10.1097/00004770-200203000-00007
URI: 
Access Rights: 
Acesso restrito
Type: 
outro
Source:
http://repositorio.unesp.br/handle/11449/66834
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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