cement base

cement base,

a layer of dental cement material, sometimes medicated, that is applied to the bottom of a prepared tooth cavity to protect the pulp, reduce the bulk of metallic restoration, or eliminate undercuts in a tapered preparation.

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base,

n 1. the foundation or support on which something rests; the point of attachment of a part; the principal ingredient of a material.
n 2. a compound that yields hydroxyl ions in water solution and causes neutralization of acid to form a salt and water.
3. the part of a denture that supports the prosthetic teeth and receives support from the oral mucosa, anchoring teeth, or alveolar ridge. See also basic. Opposite: acid.

base, acrylic resin,

n a denture base made of an acrylic resin.

base, apical (basal arch),

n the portion of the jawbone that gives support to the teeth.

base, cement,

n a layer of insulated, sometimes medicated dental cement placed in the deep portions of a cavity preparation to protect the pulp, reduce the bulk of the metallic restoration, or eliminate undercuts in a tapered preparation.

base, denture,

n 1. the part of a denture that fits the oral mucosa of the basal seat, restores the normal contours of the soft tissues of the dentulous oral cavity, and supports the artificial teeth.
n 2. the portion of a denture that overlies the soft tissue, usually fabricated of resin or combinations of resins and metal.

base, extension (free-end),

n a unit of a removable prosthesis that extends anteriorly or posteriorly, terminating without end support by a natural tooth.

base, film,

n a thin, flexible, transparent sheet of cellulose acetate or similar material.

base, mandibular,

n the body of the mandible, on which the teeth and alveolar tissues are situated.

base, material,

n a substance from which a denture base may be made (e.g., acrylic resin, vulcanite, polystyrene resin, and metal).

base, metal,

n the basal surface of a denture constructed of metal (e.g., aluminum, gold, and cobalt-chromium) to which the teeth are attached.

base, plastic,

n a denture base, baseplate, or record base made of a plastic material.

base, record,

n See baseplate.

base, shellac,

n a resinous material adapted to maxillary or mandibular casts to form baseplates.

base, sprue,

n See crucible former.

base, temporary,

n See baseplate.

base, tinted denture,

n a denture base that simulates the coloring and shading of natural oral tissues.

base, trial,

n See baseplate.