| Periapical tissue healing after post space preparation with or without use of a protection plug and root canal exposure to the oral environment. Study in dogs. | |
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MedLine Citation:
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PMID: 18278297 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The purpose of this study was to evaluate the influence of coronal leakage on the healing of dogs' periapical tissues after root canal filling, post space preparation and protection or not with a temporary sealer plug. Forty root canals of dogs' teeth were instrumented and filled by the lateral condensation technique with gutta-percha points and Endomethasone or CRCS sealers. After post space preparation, the remaining filling material was protected or not with a plug of temporary Coltosol sealer and exposed to the oral environment for 90 days. Thereafter, the animals were sacrificed and the specimens were removed and prepared for histomorphological and histobacteriological analysis. The findings revealed 35% of microbial leakage in the groups without plugs and 15% of leakage in the groups with plugs. Statistical analysis showed that the use of a Coltosol plug improved significantly the histomorphological results regardless of the type of root canal sealer (p=0.05) and that CRCS and Endomethasone sealers showed similar results (p>0.05). |
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Authors:
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Roberto Holland; Luciana Noronha Manne; Valdir de Souza; Sueli Satomi Murata; Eloi Dezan Júnior |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Brazilian dental journal Volume: 18 ISSN: 1806-4760 ISO Abbreviation: Braz Dent J Publication Date: 2007 |
Date Detail:
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Created Date: 2008-02-18 Completed Date: 2009-03-03 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9214652 Medline TA: Braz Dent J Country: Brazil |
Other Details:
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Languages: eng Pagination: 281-8 Citation Subset: D |
Affiliation:
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Department of Restorative Dentistry, School of Dentistry of Araçatuba, São Paulo State University, Araçatuba, SP, Brazil. rholland@foa.unesp.br |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Calcium Hydroxide / therapeutic use Calcium Sulfate / therapeutic use Dental Cementum / pathology Dental Leakage / microbiology Dental Pulp / pathology Dental Pulp Cavity / pathology* Dentin / pathology Dexamethasone / therapeutic use Dogs Drug Combinations Formaldehyde / therapeutic use Gram-Negative Bacteria / isolation & purification Gram-Positive Bacteria / isolation & purification Gutta-Percha / therapeutic use Hydrocortisone / therapeutic use Periapical Tissue / pathology* Periodontal Ligament / pathology Post and Core Technique* Protective Agents / therapeutic use* Root Canal Filling Materials / therapeutic use Root Canal Obturation / methods* Root Canal Preparation / instrumentation, methods Thymol / analogs & derivatives, therapeutic use Tooth Apex / pathology Wound Healing / physiology Zinc Oxide / therapeutic use Zinc Sulfate / therapeutic use |
| Chemical | |
Reg. No./Substance:
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0/Coltosol F; 0/Drug Combinations; 0/Protective Agents; 0/Root Canal Filling Materials; 0/corticosteroid methanetriol mixture; 117148-03-5/Calcibiotic Root Canal Sealer; 1305-62-0/Calcium Hydroxide; 1314-13-2/Zinc Oxide; 50-00-0/Formaldehyde; 50-02-2/Dexamethasone; 50-23-7/Hydrocortisone; 7733-02-0/Zinc Sulfate; 7778-18-9/Calcium Sulfate; 89-83-8/Thymol; 9000-32-2/Gutta-Percha |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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