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.
A sinus lift is a bone grafting procedure typically done when the bone in a patient's upper jaw is too thin to securely hold dental implants. Typical costs: A sinus lift typically costs $1,500 to $2,500 per side, for a total of $3,000 to $5,000 if lifts on both sides are required. For example, Cheyenne Advanced Dental Arts in Nevada charges about $1,800 per side -- or $3,600 for both sides.