A RealAge answered. You can expect to pay anywhere from $10 to $40 for a tray-based teeth whitening kit purchased over the counter (OTC) from a pharmacy or other retail store. You can also purchase tray-based teeth whitening systems from dentists. These systems feature custom-fit tooth trays or mouthpieces, which is why they are significantly more expensive than OTC tray-based teeth whitening kits. Purchasing a tray-based teeth whitening system from your dentist may cost up to $500.
Planking (or the Lying Down Game) is an activity consisting of lying face downâsometimes in an unusual or incongruous location. Both hands must touch the sides of the body. Some players compete to find the most unusual and original location in which to play.lanking can include lying flat on a flat surface, or holding the body flat while it is supported in only some regions, with other parts of the body suspended.
From the Adductor Hallusic of the big toes to the traps, planks almost have no limits. In essence planking is the act of suspending the body above ground somehow and using the muscles (along with leverage) to fight against gravity. SEE ALSO: The Plank Exercise â What You Need to Know.Furthermore, typical planks are considered a stationary exercise. Most people donât do other things while they plank.nstead, they look a lot like the guy in this explanation of how to do a plank. 1  The conventional plank is considered to be a core exercise and there are four ways to do it on the ground: front, both sides for the obliques and then reverse where the glutes face downward.