1. A cast gold or preformed metal pin placed into a root canal for the purpose of providing retention for a crown. 2. A preformed metal pin placed in a copper-plated die to provide a die stem. 3. A pin or rod that aligns or joins two structures by fitting into holes in both of them; dowels of various materials are used in orthopaedic surgery and dentistry. 4. SYN: d. graft.
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dow·el (douґəl) a rod or a pin, usually metal, fitted into a prepared posthole within the root canal and cemented in place, serving to retain a dental restoration, such as a crown. Called also post.Medical dictionary. 2011.