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Definition of Onlay
1. something laid over something else [n -S]
Medical Definition of Onlay
1. 1. A 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. A graft applied on the exterior of a bone. (05 Mar 2000)
Lexicographical Neighbors of Onlay
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