title: A report on materials used by dental students for core restorations in single and multiunit crowns.
abstract: OBJECTIVE
  This study evaluated the materials used for tooth core restorations by dental students.
  
  
  METHODS
  The study included all patients treated with a single crown or fixed partial denture by undergraduate dental students during the years 1984 to 1986, 1994 to 1996, and 2004 to 2006.
  
  
  RESULTS
  More direct (62%) than indirect (38%) cores were prepared during the total time period evaluated.
  
  
  CONCLUSIONS
  The complication rate of indirect cores compared with direct ones appeared to be higher in single crowns, but not in fixed partial dentures.
authors.forename: Essi
authors.initials: E
authors.lastname: Rouvinen
authors.forename: Ritva
authors.initials: R
authors.lastname: Näpänkangas
authors.forename: Aune
authors.initials: A
authors.lastname: Raustia
mesh_terms: D003188:Composite Resins / Q000737:chemistry; D003442:Crowns / Q000706:statistics & numerical data; D000044:Dental Abutments / Q000706:statistics & numerical data; D003723:Dental Amalgam / Q000737:chemistry; D003764:Dental Materials / Q000737:chemistry; D003772:Dental Pins / Q000706:statistics & numerical data; D017267:Dental Prosthesis Design; D019232:Dental Restoration Failure; D003830:Denture, Partial, Fixed / Q000706:statistics & numerical data; D005500:Follow-Up Studies; D005898:Glass / Q000737:chemistry; D006801:Humans; D008137:Longitudinal Studies; D011176:Post and Core Technique / Q000706:statistics & numerical data; D013335:Students, Dental; D016896:Treatment Outcome
chemical_list: D003188:Composite Resins; D003764:Dental Materials; C009753:fiberglass; D003723:Dental Amalgam