onlay

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onlay

 [on´la]
1. a graft applied or laid on the surface of an organ or structure.
2. a cast metal restoration that overlays cusps, thus restoring the occlusal and proximal surfaces and lending strength to the tooth.

on·lay

(on'lā),
1. dentistry metal (usually gold) cast restoration of the occlusal surface of a posterior tooth or the lingual surface of an anterior tooth, the entire surface of which is in dentin without side walls; retention in the anterior tooth is by pins and in the posterior by pins and/or boxes in retentive grooves in the buccal and lingual walls.
2. orthopedics graft applied on the exterior of a bone.
3. orthopedics graft applied to skin in native urethra in hypospadias or stricture repair.

onlay

(ŏn′lā′, ôn′-)
n.
1. Medicine A graft applied to the surface of a recipient organ or structure.
2. Dentistry A cast, usually made of metal, attached to the surface of a tooth.

on·lay

(on'lā)
1. A metal cast restoration of the occlusal surface of a posterior tooth or the lingual surface of an anterior tooth, the entire surface of which is in dentin without side walls; retention in the anterior tooth is by pins and in the posterior by pins or boxes in retentive grooves in the buccal and lingual walls.
2. A graft applied on the exterior of a bone, or the surface of an organ or structure.

on·lay

(on'lā)
Cast restoration (porcelain, pressed ceramic, metal) of occlusal surface of a posterior tooth or lingual surface of an anterior tooth, the entire surface of which is in dentin without side walls; retention in anterior tooth involves pins and in the posterior pins and/or boxes in retentive grooves in buccal and lingual walls.
References in periodicals archive ?
Composite inlays and onlays are made of a resinous matrix and fillers of different types.9 They are classified into direct and indirect.
Inlays and onlays Decay or other damage to the upper portion of the tooth may be treated with an inlay or onlay.
Rapid improvements in technology, have spurned several computerized devices that can fabricate ceramic inlays and onlays from high quality ceramics in matter of minutes.
Computer-aided direct ceramic restorations: a 10-year prospective clinical study of CEREC CAD/CAM inlays and onlays. Int J Prosthodont.