title: Retentive pins. Their use and misuse.
abstract: Retentive pins have brought with them both ecstasy and agony. Their history, use, and situations resulting from their misuse are reviewed in this article. Correction of common errors will prove useful to the reader.
mesh_terms: D003723:Dental Amalgam; D003735:Dental Casting Technique; D003737:Dental Cavity Preparation; D003772:Dental Pins / Q000009:adverse effects / Q000706:statistics & numerical data; D003786:Dental Pulp Cavity / Q000293:injuries; D003793:Dental Restoration, Permanent / Q000379:methods; D006801:Humans; D008434:Matrix Bands; D014082:Tooth Fractures / Q000209:etiology; D014092:Tooth Root / Q000293:injuries
chemical_list: D003723:Dental Amalgam