Resin-dentin bond strength of 10 contemporary etch-and-rinse adhesive systems after one year of water storage.
To compare the resin-dentin bond degradation of 10 contemporary etch-and-rinse adhesive systems after one year of water storage, 100 bovine incisors were randomly separated into 10 groups and their superficial coronal dentin was exposed. According to manufacturers' instructions, dentin surfaces were bonded with one of seven two-step etch-and-rinse adhesives or one of three three-step etch-and-rinse adhesives. Composite buildups were constructed incrementally. Restored teeth were sectioned to obtain sticks (0.5 mm²). The specimens were subjected to a microtensile bond strength test after storage in distilled water (at 37°C) for one year. Data (MPa) were analyzed using Kruskal-Wallis and Tukey's tests at α = 0.05. Of the adhesives tested, One Step, All Bond 2, and Optibond FL attained the highest bond strength to dentin after one year in water storage, while Magic Bond DE and Master Bond presented a high number of premature debonded flaws.
Department of Operative Dentistry, School of Dentistry, Federal University of Pelotas, Rio Grande de Sul, Brazil.
Silvia Terra
ST
Fontes
Gloria Beatriz de Azevedo
GB
Cubas
Josiane Barcelos
JB
Flores
Murieli Leonor
ML
Montemezzo
Marcia Bueno
MB
Pinto
Evandro
E
Piva
D000268:Adhesiveness; D000818:Animals; D017438:Bisphenol A-Glycidyl Methacrylate / Q000737:chemistry; D002417:Cattle; D003188:Composite Resins / Q000737:chemistry*; D001840:Dental Bonding; D003764:Dental Materials / Q000737:chemistry*; D003793:Dental Restoration, Permanent; D003799:Dental Stress Analysis / Q000295:instrumentation; D003804:Dentin / Q000648:ultrastructure*; D017220:Dentin-Bonding Agents / Q000737:chemistry*; D008422:Materials Testing; D008689:Methacrylates / Q000737:chemistry; D011897:Random Allocation; D019279:Resin Cements / Q000737:chemistry; D013314:Stress, Mechanical; D013499:Surface Properties; D013696:Temperature; D013718:Tensile Strength; D013997:Time Factors; D014867:Water / Q000737:chemistry
C103506:Bis-GMA, BPDM, HEMA dental-bonding resin; D003188:Composite Resins; D003764:Dental Materials; D017220:Dentin-Bonding Agents; C420130:Excite cement; D008689:Methacrylates; C469607:OptiBond FL; C451600:OptiBond Solo Plus; D019279:Resin Cements; C084018:Scotchbond Multi-Purpose; C403634:Stae bonding agent; C115612:single bond; D014867:Water; C100742:All-Bond 2; D017438:Bisphenol A-Glycidyl Methacrylate