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PubMed · 3295106

A comparative retrofill leakage study utilizing a dentin bonding material.

N J McDonald·T C Dumsha
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Calcium SulfateComposite ResinsDental AmalgamDental BondingDental CementsDental LeakageDrug CombinationsGutta-PerchaHumansPolyvinylsRetrograde ObturationRoot Canal Filling MaterialsZinc OxideComparative StudyJournal Article

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N J McDonald, T C Dumsha. 1987. A comparative retrofill leakage study utilizing a dentin bonding material.. https://doi.org/10.1016/s0099-2399(87)80095-x

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PubMed1999

Effect of disinfectant agents on dimensional stability of elastomeric impression materials.

STATEMENT OF PROBLEM: Difficulties in sterilizing impressions by traditional methods have led to chemical disinfection as an alternative, and some studies have shown that disinfectants may adversely affect impressions. PURPOSE: This study investigated the effect of disinfection methods on the dimensional stability of 6 elastomeric materials. MATERIAL AND METHODS: Impression materials were submitted to the following treatments: immersion in 5.25% sodium hypochlorite solution for 10 minutes, immersion in 2% glutaraldehyde solution for 30 minutes, and no immersion (control). After treatments, impressions were poured, and respective stone casts were measured with a Nikon Profile projector and compared with the master model. RESULTS: The elastomeric materials had different reproduction capacities, and the disinfecting treatments did not differ from the control.

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