foundation

foundation /foun·da·tion/ (foun-da´shun) the structure or basis on which something is built.

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denture foundation  the portion of the structures and tissues of the mouth available to support a denture.

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foun·da·tion (foun-dshn)

n.

The basis on which something stands or is supported; a base.

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foundation

Etymology: L, fundamentum

(in dentistry) any device or material added to a remaining tooth structure to enhance the stability and retention of an overlying cast restoration, such as a pin retainer, amalgam, or casting.

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foundation,

n 1. a charitable organization usually established to allocate private funds to worthy projects or to provide other services.
2. in dentistry, any device or material added to a remaining tooth structure to enhance the stability and retention of an overlying cast restoration. May be a pin retainer of amalgam, plastic cement, or a casting.

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Patient discussion about foundation.

Q. What is the foundation of a good and healthy nutrition?

A. Balance - balanced nutrition that contains carbs (40-50%), fat (20-30%) and protein (15%), as well as vitamins, iron and sufficient amounts of water. However these are only general advices, so you may want to consult a professional (e.g. dietitian)

You may read more here:
www.nlm.nih.gov/medlineplus/nutrition.html