“The world is round; it has no point.”
Quotes of the Day
Adrienne E. Gusoff
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– February 13, 2016
Artificial Saliva Formulations versus Human Saliva Pretreatment in Dental Erosion Experiments
The aim of this study was to evaluate the erosion-preventive effect of different artificial saliva formulations and human saliva in vitro compared to human saliva in situ. In the in vitro experiment, bovine enamel and dentin specimens were stored in artificial saliva (4 different formulations, each n = 20), deionized water (n = 20) or human saliva (n = 6 enamel and dentin specimens/volunteer) for 120 min. In the in situ experiment, each of the 6 enamel and dentin specimens was worn intraorally by 10 volunteers for 120 min. The specimens were then eroded (HCl, pH 2.6, 60 s). Half of the specimens were subjected to microhardness analysis (enamel) and the determination of calcium release into the acid (enamel and dentin), while the other half were again placed in the respective medium or worn…
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– February 13, 2016
Factors Associated with Reevaluation of the Stepwise Excavation Procedure: An 8-Year Retrospective Study
Although the stepwise excavation procedure (SWP) has been shown to be an effective caries treatment technique, studies reporting its application outside of controlled clinical trials are limited. We performed a retrospective study from patient record data to assess the proportion of patients who had an SWP reevaluated within 18 months at The University of Iowa College of Dentistry (UICOD) between 2004 and 2012, and evaluated the association between different variables and this outcome. A total of 1,985 SWPs were performed in 1,326 patients, with 518 patients having had reevaluation within 18 months. Bivariate analysis and logistic regression modeling revealed strong associations between explanatory variables such as provider type, tooth type, patient age, number of recalls and the calendar…
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– February 12, 2016
Alan Dean Foster
“Freedom is just Chaos, with better lighting.”
Quotes of the Day
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– February 11, 2016
Effects of conventional and orthodontic pacifiers on the dental occlusion of children aged 24–36 months old
ConclusionThe prevalence of MO was higher among children who used pacifiers. According to a general trend, the use of conventional pacifiers was associated to severe anterior open bite and overjet. (Source: International Journal of Paediatric Dentistry)
MedWorm: Dentistry
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– February 11, 2016
Katie Hopkins blames ‘idiot’ Karren Brady for poor Apprentice viewing …
The former contestant, 40, reckons the BBC show’s ratings are down because viewers miss Margaret Mountford, 64, who quit in 2009. Katie said: “I don’t get Karren Brady.
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– February 11, 2016
Cutting-edge paleontology sparks ancient diet debate
Advanced mechanical investigation of ancient teeth and jaws shows that the diet of our distant African cousins was softer than we thought.
Dentistry News From Medical News Today
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– February 11, 2016
Activity of Synthetic Antimicrobial Peptide GH12 against Oral Streptococci
Controlling the growth of cariogenic microorganisms such as oral streptococci is an adjunct therapy for caries-active individuals to prevent and treat caries. Here we investigated the antimicrobial activity of the synthetic amphipathic ?- helical antimicrobial peptide GH12 (GLLWHLLHHLLH-NH2) against oral streptococci in vitro. Circular dichroism studies showed that GH12 takes on an ?-helical conformation in the presence of membrane-mimicking solvents, and reversed-phase high-performance liquid chromatography studies showed that GH12 remains stable in saliva. The peptide showed bactericidal activity against oral streptococci, with minimum inhibitory concentrations ranging from 6.7 to 32.0 ?g/ml. GH12 concentrations 4-fold higher than the minimum bactericidal concentration completely kill…
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– February 10, 2016
