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In developed countries, necrotizing gingivitis occurs mostly in young adults with predisposing factors such as psychological stress, sleep deprivation, poor oral hygiene, smoking, immunosuppression and/or malnutrition. In developing countries, necrotizing gingivitis occurs mostly in malnourished children.
No Gum (NG): Stamp's gum has been washed off. Rarely, stamps are issued with no gum. Regummed (RG): Fresh gum has been applied to the stamp. Poor regumming can be detected by examining the end of the perforations under a microscope. The fresh gum may interfere with the small strands of torn paper or even form small droplets.
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It is a chronic condition that forms a large, shallow lesion and slowly invades first the root's cementum and then dentin to cause a chronic infection of the pulp (see further discussion under classification by affected hard tissue).
In early March, the Federal Transit Administration recommended $141.9 million in funding for Blue Line project, which is one of 14 projects in 11 states the Transit Administration is recommending ...
Around 46,100 of the 617,000 bridges across the United States, or 7.5% of all bridges, are considered structurally deficient and are in poor condition, according to the American Society of Civil ...
A power conditioner (also known as a line conditioner or power line conditioner) is a device intended to improve the quality of the power that is delivered to electrical load equipment. The term most often refers to a device that acts in one or more ways to deliver a voltage of the proper level and characteristics to enable load equipment to ...
After a steady decline in poor condition bridges, there was an uptick in the number of poor bridges in Ohio, increasing from 1,223 in 2019 to 1,251 in 2023, according to data from the American ...