Document Detail

Hydrostatic pulpal pressure effect upon microleakage.
MedLine Citation:
PMID:  22558693     Owner:  NLM     Status:  In-Process    
PURPOSE: To evaluate if hydrostatic pulpal pressure plays a role in reducing microleakage.
METHODS: Uniform Class 5 preparations were accomplished on human molars with one margin on root dentin. Prepared teeth were randomly placed in one of three groups: (1) Hydrostatic pressure simulation at 20 cm pulpal pressure; (2) Hydrostatic pressure simulation but no pressure applied (positive control); and (3) Conventional microleakage method. Specimens were subjected to 24 hours methylene blue dye, sectioned, and microleakage assessed as a function of microleakage length versus entire preparation wall length using a traveling microscope.
RESULTS: Hydrostatic pressure specimens demonstrated less gingival wall microleakage than the control groups while no difference was found between occlusal preparation walls.
Howard W Roberts; David H Pashley
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  American journal of dentistry     Volume:  25     ISSN:  0894-8275     ISO Abbreviation:  Am J Dent     Publication Date:  2012 Feb 
Date Detail:
Created Date:  2012-05-04     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8806701     Medline TA:  Am J Dent     Country:  United States    
Other Details:
Languages:  eng     Pagination:  49-53     Citation Subset:  D    
81 DS/SGD, 606 Fisher Street, Keesler AFB, MS 39534, USA.
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