A new study by NYU dental researchers suggests that women with dental caries (cavities) who deliver Caesarean-section babies should pay special attention to their newborns’ oral health.
The NYU researchers focused on a caries-causing bacterium that mothers with caries transmit to their newborns. Known as Streptococcus mutans, the bacterium grows on tooth surfaces and in crannies between teeth just above the gum line, where it multiplies and converts foods, especially those containing sugar and starch, into acids that break into the tooth surface.
C-section deliveries were infected by the bacterium almost a year earlier than vaginally-delivered infants in the four-year study of 156 mother-infant pairs published in the September issue of the Journal of Dental Research. The first signs of the bacterium appeared at an average of 17.1 months of age in C-section babies, compared to 28.8 months in vaginally-delivered infants, a significant finding since previous studies have linked earlier bacterial infection with a higher rate of dental caries in children.
Elyse Bloom | EurekAlert!
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In recent years, lasers with ultrashort pulses (USP) down to the femtosecond range have become established on an industrial scale. They could advance some applications with the much-lauded “cold ablation” – if that meant they would then achieve more throughput. A new generation of process engineering that will address this issue in particular will be discussed at the “4th UKP Workshop – Ultrafast Laser Technology” in April 2017.
Even back in the 1990s, scientists were comparing materials processing with nanosecond, picosecond and femtosesecond pulses. The result was surprising:...
Have you ever wondered how you see the world? Vision is about photons of light, which are packets of energy, interacting with the atoms or molecules in what...
A multi-institutional research collaboration has created a novel approach for fabricating three-dimensional micro-optics through the shape-defined formation of porous silicon (PSi), with broad impacts in integrated optoelectronics, imaging, and photovoltaics.
Working with colleagues at Stanford and The Dow Chemical Company, researchers at the University of Illinois at Urbana-Champaign fabricated 3-D birefringent...
In experiments with magnetic atoms conducted at extremely low temperatures, scientists have demonstrated a unique phase of matter: The atoms form a new type of quantum liquid or quantum droplet state. These so called quantum droplets may preserve their form in absence of external confinement because of quantum effects. The joint team of experimental physicists from Innsbruck and theoretical physicists from Hannover report on their findings in the journal Physical Review X.
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The Max Planck Institute for Physics (MPP) is opening up a new research field. A workshop from November 21 - 22, 2016 will mark the start of activities for an innovative axion experiment. Axions are still only purely hypothetical particles. Their detection could solve two fundamental problems in particle physics: What dark matter consists of and why it has not yet been possible to directly observe a CP violation for the strong interaction.
The “MADMAX” project is the MPP’s commitment to axion research. Axions are so far only a theoretical prediction and are difficult to detect: on the one hand,...
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07.12.2016 | Health and Medicine