onlay

onlay /on·lay/ (on´la)

1. a graft applied or laid on the surface of an organ or structure.

2. a cast metal restoration that overlays cusps and lends strength to the restored tooth.

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on·lay (nl)

n.

1. A cast restoration, usually made of gold, that is attached to the occlusal surface of a tooth.

2. A bone graft applied to the exterior surface of the bone.

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onlay

Etymology: AS, ana, up, licagan, to lie

1 a cast type of metal restoration retained by friction and mechanical forces in a prepared tooth, used for restoring one or more of the tooth's cusps and adjoining occlusal surfaces.

2 an occlusal rest part of a removable partial denture, extended to cover the entire occlusal surface of a tooth.

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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.

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onlay,

n 1. a cast type of restoration that is retained by frictional and mechanical factors in the preparation of the tooth and restores one or more cusps and adjoining occlusal surfaces of the tooth.
n 2. an occlusal rest portion of a removable partial denture that is extended to cover the entire occlusal surface of the tooth.

onlay bone,

n See graft, onlay bone.

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onlay

a graft applied or laid on the surface of an organ or structure.