title: Clinical evaluation of proximal contacts of Class II esthetic direct restorations.
abstract: OBJECTIVE
  This study evaluated the effectiveness of proximal contacts in Class II restorations using two types of matrix bands (steel and polyester) with two different restoration techniques (incremental and with prepolymerized particles).
  
  
  METHODS
  Eighty-eight Class II adjacent restorations using Prodigy resin composite were performed: 44 with the incremental technique (22 with steel matrix bands, 22 with polyester matrix bands) and 44 utilizing prepolymerized resin particles (22 steel matrix, 22 polyester matrix). The restorations were clinically evaluated at baseline and at 6, 12, and 18 months. Proximal contacts obtained immediately after restoration procedure in all restorations were satisfactory.
  
  
  RESULTS
  No statistically significant alterations were found in 18 months of evaluation.
  
  
  CONCLUSIONS
  Regardless of the utilized resin composite, there were no differences in the amount of proximal contact variations with respect to tested techniques and matrices.
authors.affiliation: Bauru Dental School, São Paulo State University, São Paulo, Brazil. prakki@yahoo.com
authors.forename: Anuradha
authors.initials: A
authors.lastname: Prakki
authors.forename: Renato
authors.initials: R
authors.lastname: Cilli
authors.forename: João Otávio Chalup
authors.initials: JO
authors.lastname: Saad
authors.forename: José Roberto
authors.initials: JR
authors.lastname: Rodrigues
mesh_terms: D000134:Acid Etching, Dental; D003188:Composite Resins / Q000737:chemistry*; D003737:Dental Cavity Preparation / Q000145:classification / Q000295:instrumentation; D003775:Dental Polishing; D003793:Dental Restoration, Permanent / Q000145:classification* / Q000295:instrumentation / Q000379:methods; D017220:Dentin-Bonding Agents / Q000737:chemistry; D005500:Follow-Up Studies; D006801:Humans; D008434:Matrix Bands; D011091:Polyesters / Q000737:chemistry; D013232:Steel / Q000737:chemistry; D013499:Surface Properties
chemical_list: D003188:Composite Resins; D017220:Dentin-Bonding Agents; D011091:Polyesters; C099128:Prodigy; D013232:Steel