title: Clinical Evaluation of Restorative Materials in Primary Teeth Class II Lesions.
abstract: OBJECTIVE
  The aim of this study was to evaluate clinical success of primary teeth class II lesions restored with different restorative materials [Hybrid Composite Resin (HCR), Resin Modified Glass Ionomer Cement (RMGIC), compomer, and Giomer Composite Resin (GCR)] followed up for 24 months.
  
  
  METHODS
  This study was carried out on 146 primary molars of 41 children in the age range of 5-7 years. The class II lesions in primary molars of a patient were restored using different restorative materials. Restorations were evaluated according to FDI-criteria and their survival rates were determined. Data were analysed with Pearson chi-square, Kaplan-Meier and Wilcoxon (Breslow) tests (α = 0.05).
  
  
  RESULTS
  The failure rates of restorative materials were as follows: compomer 33.3%, RMGIC 28.1%, HCR 22.5% and GCR 21.1%.
  
  
  CONCLUSIONS
  While the functional failure was the most important factor in restorative material failure, RMGIC was the most successful material in terms of biological evaluation criterion and GCR had the longest survival rate.
authors.affiliation: Department of Pedodontics, Faculty of Dentistry, Ataturk University, Erzurum, Turkey.
authors.forename: F
authors.initials: F
authors.lastname: Sengul
authors.affiliation: Department of Pedodontics, Faculty of Dentistry, Ataturk University, Erzurum, Turkey.
authors.forename: T
authors.initials: T
authors.lastname: Gurbuz
mesh_terms: D002648:Child; D002675:Child, Preschool; D020770:Compomers / Q000737:chemistry; D003188:Composite Resins / Q000737:chemistry; D003731:Dental Caries / Q000145:classification / Q000628:therapy*; D003764:Dental Materials / Q000737:chemistry*; D019232:Dental Restoration Failure; D003793:Dental Restoration, Permanent / Q000145:classification*; D005260:Female; D005500:Follow-Up Studies; D005899:Glass Ionomer Cements / Q000737:chemistry; D006801:Humans; D055115:Light-Curing of Dental Adhesives / Q000295:instrumentation / Q000379:methods; D008297:Male; D008963:Molar / Q000473:pathology; D058105:Polymerization; D011446:Prospective Studies; D019279:Resin Cements / Q000737:chemistry; D016019:Survival Analysis; D014094:Tooth, Deciduous / Q000473:pathology*; D016896:Treatment Outcome
chemical_list: D020770:Compomers; D003188:Composite Resins; D003764:Dental Materials; D005899:Glass Ionomer Cements; D019279:Resin Cements
keywords: dental restoration failure; primary teeth; prospective study