The angle that a sun's ray reflects off your reflector is the same as the angle that it arrived at. This is also true if you're designing a parabolic solar cooker (see below), funnel solar cooker, CooKit, Pavarti, or any kind of solar cooker that has reflectors.
Most filling treatments hold stable prices in the following ranges: 1  $50 to $150 for a single, silver amalgam filling. 2  $90 to $250 for a single, tooth-colored composite filling. 3  $250 to $4,500 for a single, cast-gold or porcelain filling.
Sealants appear to be a good deal. From my research, I found that dental sealants cost about $25 to $50 per tooth (source 1, source 2). This is compared to getting non-mercury cavity fillings that can cost $150 to $200 (source).ince sealing a tooth costs less than filling a cavity, the procedure would seem to make sense. With dental insurance. Many times sealants and fillings are covered by insurance. In this case, cost isnât really an out of pocket expense.