clinical crown

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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clinical crown,

that portion of enamel visibly present in the oral cavity; the visible portion of the tooth that is occlusal to the deepest part of the gingival crevice. Compare anatomic crown.

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crown [krown]

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

2. artificial crown.

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

 Anatomical and clinical crowns, demonstrating that the former are independent of the state of surrounding tissues while the latter depend on the height of the surrounding gingiva. From Dorland's, 2000.

artificial crown a metal, porcelain, or plastic reproduction of a crown affixed to the remaining natural structure of a tooth.

clinical crown that portion of a tooth visible above the gingiva.

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clinical,

adj pertaining to a clinic, direct patient care, or materials used in the direct care of patients.

clinical attachment level (CAL),

n a measurement to determine periodontal health; consists of the distance in millimeters that exists between the edge of the enamel of a tooth to the gingival tissue that is adherent to its root, its epithelial attachment.

clinical crown,

n See crown, clinical.

clinical crown:clinical root ratio,

n See ratio, clinical crown: clinical root.

clinical death,

n a defined time at which bodily functions have ceased and are unable to be revived. In many instances, the definition of clinical death applies to circumstances where brain activity ceases despite the continuance of body functions.

clinical diagnosis,

n See diagnosis, clinical.

clinical medicine,

n the aspect of medicine that deals with direct patient care.

clinical protocol,

n the detailed outline of the steps to be followed in the treatment of a patient.

clinical trials,

n organized studies to provide large bodies of clinical data for statistically valid evaluation of treatment.

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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.