Crown (redirected from crown height reduction)

crown (kroun)

1. the topmost part of an organ or structure, e.g., the top of the head.

2. artificial c.

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anatomical crown  the upper, enamel-covered part of a tooth.

artificial crown  a reproduction of a crown affixed to the remaining natural structure of a tooth.

clinical crown  the portion of a tooth exposed beyond the gingiva.

physiological crown  the portion of a tooth distal to the gingival crevice or to the gum margin.

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crown (kroun)

n.

1. The top or highest part of bodily structure, especially the head.

2. The part of a tooth that is covered by enamel and projects beyond the gum line.

3. An artificial substitute for the natural crown of a tooth.

v.

1. To put a crown on a tooth.

2. To reach a stage in labor when a large segment of the fetal scalp is visible at the vaginal orifice. Used of a fetus or the head of a fetus.

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Crown

The natural crown of a tooth is that part of the tooth covered by enamel. Also, a restorative crown is a protective shell that fits over a tooth.

Mentioned in: Dental Trauma, Root Canal Treatment, Tooth Replacements and Restorations

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crown,

n 1. the natural portion of a tooth covered by enamel.
2. an artificial replacement for the natural crown of the tooth. Colloquial term is
cap.

crown, anatomical,

n the portion of dentin covered by enamel.

crown and bridge prosthodontics,

n the division of prosthodontics that deals with crown restorations and the fixed type of tooth-borne partial denture prosthesis. See also prosthodontics, fixed.

crown, artificial,

n a dental prosthesis restoring the anatomy, function, and esthetics of part or all of the coronal portion of the natural tooth.

crown, ceramic,

n one of several materials that can make up a crown, which can be combined with other components such as porcelain or metal to improve long-term crown function.

n the clinical view of a crown from its most narrow angle of insertion into the gingival tissues.

crown, clinical,

n 1. the portion of enamel visibly present in the oral cavity.
2. the portion of a tooth that is occlusal to the deepest part of the gingival sulcus.

crown, complete,

n a restoration that reproduces the entire surface anatomy of the clinical crown and fits over a prepared tooth stump.

crown, crown veneer,

n a restoration that reproduces the total clinical coronal surface contour of the tooth. Colloquial term is
veneers.

crown, dowel,

n a restoration that replaces the entire coronal portion of a tooth and derives its retention from a dowel extending into a treated (filled) root canal.

crown, extraalveolar clinical

n the portion of a tooth that extends occlusally or incisally from the junction of the tooth root and the supporting bone.

crown, faced,

n See crown, veneered metal.

crown, full, restoration,

n an individual tooth prosthesis encompassing the entire prepared clinical crown. See also crown, complete veneer.

crown, gold,

n a metal variety of crown using gold.

crown, jacket,

n See crown, complete.

crown lengthening,

n a surgical procedure to remove marginal gingival tissues to expose more of the crown of the tooth to facilitate a reconstructive or operative procedure.

crown, partial,

n a restoration that covers three or more, but not all, surfaces of a tooth.

crown, porcelain-faced,

n an artificial crown that makes use of porcelain inlayed in or veneered onto the labial or buccal surface.

crown, porcelain jacket,

n a type of crown composed of porcelain mixed with metal, commonly used for its appearance and tooth-bonding properties.

crown, stainless steel,

n a preformed steel crown used for the restoration of badly broken-down primary teeth and first permanent molars. Also used as a temporary restoration of fractured permanent incisors.

crown, temporary,

n a short-term crown placed on a tooth while the final impression of the permanent crown is being cast.

crown, three-quarter,

n a term frequently used to designate a partial veneer crown.

crown, veneered metal,

n a complete crown that has one or more surfaces prepared for and covered by a tooth-colored substance such as porcelain or resin.

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crown

1. the topmost part of an organ or structure, e.g. the top of the head.

2. artificial crown on a tooth.

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anatomical crown

the enamel-covered part of a tooth.

ciliary crown

the portion of the ciliary body of the eye that is located closest to the lens and bears the ciliary processes.

clinical crown

the exposed part of a tooth within the mouth.

crown height reduction

a dental procedure sometimes done on canine teeth in dogs for the treatment of malocclusion or to prevent injury from biting.

reserve crown

in a hypsodont tooth, that part of the crown located in the alveolus.