While lichen planus very rarely leads to oral cancer, irritation of lichen planus by tobacco and alcohol, poorly fitting dentures, and poor oral hygiene can turn lichen planus into the erosive type.
In economics, a deadweight loss (also known as excess burden or allocative inefficiency) is a loss of economic efficiency that can occur when equilibrium for a good or service is not achieved or is not achievable.he deadweight loss is the area of the triangle formed by the grey tax income box (to the right of it), the original supply curve, and the demand curve.
Total loss. In insurance, a total loss or write-off is a judgment, by the insurer, that the lost value or repair cost of a damaged property exceeds the value of its policy, resulting in what it concludes is a total loss or constructive total loss. A constructive total loss factors other incidental expenses beyond repair, such as salvage.