There is a revolving rake to scrape settled grit to a sump for removal. The heavy material settles to the bottom and is then dragged upwards by means of a rake, and then discharged. A rake is a device used in thickeners and settlers to move the settled solids toward the place where they leave the vessel.
The average costs of deep cleaning is between $100-to-$400 per quadrant. This means that if you are getting all four areas scaled and planed, it can cost you as little as $400 or as much as $1,600. About how much you will pay depends on where you live.
Cosmetic Dentistry Costs and FAQ. Cosmetic dentistry costs vary widely, but you'll find approximate costs in our articles on particular procedures. For example, professional in-office teeth whitening costs approximately $450 to $650, whereas over-the-counter whiteners range in cost from $4 to $100. Usually dental insurance doesn't cover cosmetic dentistry. But some dental plans may cover part of the cost of certain procedures, such as crowns, especially when the main purpose is to repair a structural problem that could affect the overall health of your mouth.