InvisalignÂ® Cost Calculator. The cost of Invisalign treatment is comparable to the cost of metal braces, and in the U.S., can range from $3,000 â $8,000. As with other medical treatments, only your doctor can determine the actual cost based on your specific needs and will work with you to customize your individual plan.
The glycemic load (GL) of food is a number that estimates how much the food will raise a person's blood glucose level after eating it. One unit of glycemic load approximates the effect of consuming one gram of glucose.
Report Abuse. bbl stands for an oil barrel. bbls would be plural. The b may have been doubled originally to indicate the plural (1 bl, 2 bbl), or possibly it was doubled to eliminate any confusion with bl as a symbol for the bale.o avoid confusion, the bbl abbreviation is used to signify a petroleum barrel of 159 liters. I have no idea where the double b came from, its sort of like why do we abbreviate a pound as lb.