title: Comparison of 3 one-bottle adhesives on fissure sealant microleakage: an in vitro study.
abstract: OBJECTIVE
  The purpose of this in vitro study was to evaluate the microleakage of 3 one-bottle adhesives with different solvents added under the fissure sealant on intact etched enamel.
  
  
  METHODS
  A total of 100 sound mandibular third molars were randomly divided into 5 groups (N=20). Occlusal pits and fissures were sealed with an unfilled fissure sealant (FS) material. Study groups included: (1) phosphoric acid etching + FS (control); (2) acid etching + Adper Single Bond 2 + FS; (3) acid etching + OptiBond Solo Plus + FS; (4) acid etching + One-Step Plus + FS; and (5) no pretreatment (FS alone). After aging and thermocycling, specimens were placed in 0.5% fuchsin, sectioned, and evaluated by digital microscope. Data were analyzed with Kruskal-Wallis and Mann-Whitney tests at a significance of P<.05.
  
  
  RESULTS
  Group 5 (FS alone) showed the greatest microleakage, which was significantly different from the other groups (P<.05). Group 4 showed the lowest microleakage, followed by groups 3 and 2. No significant differences existed among groups 1 to 4 (P>.05).
  
  
  CONCLUSIONS
  Conventional acid etching alone or with a one-bottle adhesive that contained different solvents of acetone, ethanol, or ethanol/water combination yielded similar sealing results in sealant therapy.
authors.affiliation: Department of Pediatric Dentistry, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran.
authors.forename: Mahtab
authors.initials: M
authors.lastname: Memarpour
authors.forename: Fereshteh
authors.initials: F
authors.lastname: Shafiei
mesh_terms: D000134:Acid Etching, Dental; D017438:Bisphenol A-Glycidyl Methacrylate; D003763:Dental Leakage / Q000517:prevention & control*; D017220:Dentin-Bonding Agents / Q000627:therapeutic use; D006801:Humans; D008689:Methacrylates; D008964:Molar, Third; D010895:Pit and Fissure Sealants / Q000627:therapeutic use*; D019279:Resin Cements / Q000627:therapeutic use*; D018709:Statistics, Nonparametric
chemical_list: C103506:Bis-GMA, BPDM, HEMA dental-bonding resin; D017220:Dentin-Bonding Agents; D008689:Methacrylates; C451600:OptiBond Solo Plus; D010895:Pit and Fissure Sealants; D019279:Resin Cements; C115612:single bond; D017438:Bisphenol A-Glycidyl Methacrylate