title: One-year clinical evaluation of Quixfil and Gradia Direct composite restorative materials in posterior teeth.
abstract: OBJECTIVE
  The purpose of this study was to evaluate and compare the 12 month clinical performances of two different posterior composites in Class I and Class II restorations.
  
  
  METHODS
  Class I and class II cavities of 62 patients, 74 Quixfil (Dentsply/ Xeno V) and 68 Gradia Direct (GC America/G bond) composite restorations were placed by two dentists. Only small and medium-sized cavities were included in the study. Independent evaluations were performed at baseline (one week), after three months, six months, and one year, by one trained examiner using the modified U.S. Public Health Service rating criteria. Color match, marginal integrity, anatomical form, surface roughness, marginal or interfacial staining, postoperative sensitivity, and secondary caries were evaluated.
  
  
  RESULTS
  Both restorative materials showed only minor changes, and no differences were detected between their performance at baseline and after 12 months. Postoperative sensitivity was observed in only one Quixfil restoration. In regard to the clinical performance, there was no statistically significant difference between the materials used.
  
  
  CONCLUSIONS
  Both materials showed good clinical results with dominant alpha scores at the end of 12 months.
authors: Department of Restorative Dentistry, Faculty of Dentistry, Kirikkale University, Kirikkale, Turkey.
authors: Damla
authors: D
authors: Doğan
authors: Ertuğrul
authors: E
authors: Ercan
authors: Mehmet Mustafa
authors: MM
authors: Hamidi
authors: Bahadir Uğur
authors: BU
authors: Aylikçi
authors: Hakan
authors: H
authors: Colak
mesh_terms: D003188:Composite Resins; D003793:Dental Restoration, Permanent / Q000379:methods*; D006801:Humans; D008963:Molar
chemical_list: D003188:Composite Resins; C470230:Gradia; C510379:QuiXfil