A full set (upper and lower) of implants and dentures can cost $7,000-$90,000 or more. CostHelper readers report paying $3,800-$27,858 for implants with a single denture plate, at an average cost of $14,226; and $6,549-$80,000 for a full set of implant-supported dentures (upper and lower), for an average expense of $34,119.
overburden-the surface soil that must be moved away to get at coal seams and mineral deposits. land, soil, ground-material in the top layer of the surface of the earth in which plants can grow (especially with reference to its quality or use); the land had never been plowed; good agricultural soil.
Sandy soils are the result of the weathering and disintegration of a variety of rocks such as granite, limestone and quartz. This type of soil is easy to cultivate but, since it allows for more drainage than needed, it is important to water it regularly, especially during summer days. As sandy soils don't allow the water to pool around the roots, they are a good choice for plants that have a tendency to suffer from root decay.