title: Effects of prophylactic agents on shear bond strength of resin composite bonding to enamel.
abstract: In this study, the effect of different tooth cleansing methods on shear bond strength of resin composite bonding to enamel was evaluated. The buccal enamel surface of 45 noncarious permanent molars was ground flat to provide a uniform surface to which composite was applied. Care was taken to avoid dentin exposure in this procedure. The teeth were divided randomly into 3 groups of 15 teeth. Group 1 was treated with prophylaxis with a rubber cup and pumice, Group 2 with prophylaxis with a rubber cup and nonfluoridated paste, and Group 3 with prophylaxis with a rubber cup and fluoridated paste. After thermocycling, the samples were sheared in the Instron. Results, in MPa, were: Group 1: 14.70 +/- 4.44, Group 2:15.82 +/- 2.70, and Group 3: 16.41 +/- 5.93. Analysis of variance showed no difference among the three groups.
authors.affiliation: Department of Pediatric Dentistry, University of Texas Health Science Center, San Antonio 78284-7888, USA.
authors.forename: F
authors.initials: F
authors.lastname: Garcia-Godoy
authors.forename: J A
authors.initials: JA
authors.lastname: O'Quinn
mesh_terms: D000149:Acidulated Phosphate Fluoride / Q000737:chemistry; D002327:Cariostatic Agents / Q000737:chemistry; D003188:Composite Resins / Q000737:chemistry*; D001840:Dental Bonding; D003743:Dental Enamel / Q000648:ultrastructure*; D003764:Dental Materials / Q000737:chemistry*; D003777:Dental Prophylaxis / Q000379:methods*; D003799:Dental Stress Analysis / Q000295:instrumentation; D005459:Fluorides / Q000737:chemistry; D006801:Humans; D008422:Materials Testing; D033081:Shear Strength; D017640:Silicates / Q000737:chemistry; D013314:Stress, Mechanical; D013696:Temperature; D013997:Time Factors; D014100:Toothpastes / Q000737:chemistry*; D014520:Urethane / Q000737:chemistry; D014867:Water / Q000737:chemistry
chemical_list: D002327:Cariostatic Agents; D003188:Composite Resins; D003764:Dental Materials; D017640:Silicates; D014100:Toothpastes; D014867:Water; C056413:Occlusin; C074808:NuPro; D000149:Acidulated Phosphate Fluoride; D014520:Urethane; C005144:pumice; D005459:Fluorides