3-year survival rates of retained composite resin and ART sealants using two assessment criteria

• Published in: Brazilian oral research Vol. 31; p. e35
• Main Authors: Hilgert, Leandro Augusto, Leal, Soraya Coelho, Freire, Gabriela Mesquita Lopes, Mulder, Jan, Frencken, Jo E
• Format: Journal Article
• Language: English; Portuguese
• Published: Brazil Sociedade Brasileira de Pesquisa Odontológica - SBPqO 01.01.2017; Sociedade Brasileira de Pesquisa Odontológica
• Subjects: Child; Composite Resins - therapeutic use; Dental Atraumatic Restorative Treatment; Dental Atraumatic Restorative Treatment - methods; Dental Caries; Dental Caries - prevention & control; Dental Prosthesis Retention; Dental Restoration Failure; Dentin - drug effects; Dentistry; DENTISTRY, ORAL SURGERY & MEDICINE; Female; Follow-Up Studies; Glass Ionomer Cements - therapeutic use; Humans; Male; Molar; Pediatric Dentistry; Pit and Fissure Sealants; Pit and Fissure Sealants - therapeutic use; Risk Assessment; Surface Properties; Survival Analysis; Time Factors; Treatment Outcome; Viscosity; Dental Atraumatic Restorative Treatment; Dental Caries; Pit and Fissure Sealants; Pediatric Dentistry
• ISSN: 1806-8324; 1807-3107; 1807-3107; 1806-8324
• DOI: 10.1590/1807-3107BOR-2017.vol31.0035

The aim was to test the null-hypothesis that there is no difference in the cumulative survival rate of retained composite resin (CR) sealants and a high-viscosity glass-ionomer Atraumatic Restorative Treatment (ART) sealant in first permanent molars calculated according to the traditional and the modified retention assessment criteria over a period of 3 years. This cluster-randomized controlled clinical trial consisted of 123 schoolchildren, 6-7-years-old. At baseline, high-caries risk pits and fissures of fully erupted first permanent molars were treated with CR and ART sealants. Evaluations were performed after 0.5, 1, 2 and 3 years. Retention was scored for free-smooth surface and for each of three sections into which the occlusal surface had been divided. The modified criterion differed from the traditional in that it determined an occlusal sealant to be a failure when at least one section contained no visible sealant material. Data were analysed according to the PHREG model with frailty correction, Wald-test, ANOVA and t-test, using the Jackknife procedure. The cumulative survival rates for retained CR and ART sealants in free-smooth and occlusal surfaces for both criteria were not statistically significantly different over the 3 years. A higher percentage of retained CR sealants on occlusal surfaces was observed at longer evaluations. Cumulative survival rates were statistically significantly lower for the modified criterion in comparison to the traditional. The modified retention assessment criterion should be used in future sealant-retention studies.