title: The 5-year results of a clinical trial comparing a glass polyalkenoate (ionomer) cement restoration with an amalgam restoration.
abstract: A clinical trial comparing the efficacy of a glass polyalkenoate cement (GPC) restoration with an amalgam cement restoration (ACR) in the management of caries in the deciduous molar dentition was undertaken. Two hundred and thirty-eight restorations, that is 119 pairs, were placed in 76 patients with an age range of 5 to 11 years. The durability of these restorations was assessed during a 5-year follow-up period, using modified United States Public Health Service criteria. The glass polyalkenoate cement restorations occupied 16% of the occlusal surface of the tooth compared to 28% for the amalgam restorations, had a lower median survival time (33.4 [SE 2.26] months compared to 41.4 [SE 2.24] months) and underwent greater loss of anatomical form and marginal integrity than the paired amalgam controls.
authors.affiliation: Department of Child Dental Health, Dental School, Newcastle upon Tyne.
authors.forename: R R
authors.initials: RR
authors.lastname: Welbury
authors.forename: A W
authors.initials: AW
authors.lastname: Walls
authors.forename: J J
authors.initials: JJ
authors.lastname: Murray
authors.forename: J F
authors.initials: JF
authors.lastname: McCabe
mesh_terms: D000704:Analysis of Variance; D002648:Child; D002675:Child, Preschool; D003723:Dental Amalgam; D003731:Dental Caries / Q000628:therapy*; D003793:Dental Restoration, Permanent; D005260:Female; D005500:Follow-Up Studies; D005899:Glass Ionomer Cements; D006801:Humans; D008297:Male; D008298:Maleates; D008963:Molar; D013499:Surface Properties; D014094:Tooth, Deciduous
chemical_list: D005899:Glass Ionomer Cements; D008298:Maleates; C041332:amalcap; D003723:Dental Amalgam; C040964:Ketac-Fil