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Effect of Adhesive Restorations Over Incomplete Dentin Caries Removal: 5-year Follow-up Study in Primary Teeth

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Purpose: The purpose of this study was to evaluate the effect of the materials used for indirect pulp treatment (IPT) on the long-term outcome of primary molar teeth.

Methods: Forty-eight teeth with deep carious lesions, but without signs and symptoms of irreversible pulpitis, were randomly divided into 2 groups, according to the material placed on the demineralized dentin remain: (1) experimental group, adhesive system (Scotchbond Multipurpose); and (2) control group, calcium hydroxide liner (Dycal). Both groups were followed by a resin restoration application.

Results: After 4 to 5 years, the clinical and radiographic success rates between groups were similar (group 1=14 of 15; group 2=8 of 10; P=0.350). Subsequent to exfoliation, scanning electron microscopy revealed the presence of a hybrid layer at the resin-dentin interface and a microtensile bond strength of 9.63 MPa (group 1). Histological analysis showed that the pulp health status was similar in both groups.

Conclusions: Indirect pulp treatment has a high clinical and radiographic long-term success rate in primary teeth and is not material-dependent.


Document Type: Research Article

Affiliations: 1: School of Dentistry, Franciscan University Center (UNIFRA), Santa Maria, RS, Brazil 2: Pediatric dentist in private clinic, Santo Rosa, RS, Brazil 3: School of Dentistry, Dental Research Group, University of Bandeirante (UNIBAN), São Paulo, SP, Brazil 4: School of Dentistry, Department of Restorative Dentistry/Dental Materials, University of Campinas (UNICAMP), Piracicaba, SP, Brazil 5: School of Dentistry, Department of Orthodontics and Pediatric Dentistry, University of Michigan (UMICH), Ann Arbor, Mich., USA 6: School of Dentistry, Department of Pediatric Dentistry, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil

Publication date: 2009-07-01

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  • Acquired after the merger between the American Society of Dentistry for Children and the American Academy of Pediatric Dentistry in 2002, the Journal of Dentistry for Children (JDC) is an internationally renowned journal whose publishing dates back to 1934. Published three times a year, JDC promotes the practice, education and research specifically related to the specialty of pediatric dentistry. It covers a wide range of topics related to the clinical care of children, from clinical techniques of daily importance to the practitioner, to studies on child behavior and growth and development. JDC also provides information on the physical, psychological and emotional conditions of children as they relate to and affect their dental health.
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