ArticleClinical oral investigations2015
Success rates of manual restorative treatment (MRT) with amalgam in permanent teeth in high caries-risk Filipino children.
Article in Clinical oral investigations, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Authors and funding
6 authors at 2 institutions in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
objectivesThe objective of the study is to evaluate the success rate of amalgam restorations in manually prepared cavities under field conditions within a comprehensive school-based oral health-care program in high caries-risk children. MATERIALS AND
methodsA total of 1322 restorations were placed in the permanent teeth of 619 high caries risk Filipino children by two dentists and two trained health-care workers. Only hand instruments and an encapsulated amalgam, mixed with a manually powered amalgamator, were used. The restorations were evaluated after a service time of 1 to 5 years using modified atraumatic restorative treatment (ART) criteria.
resultsThe overall success rate of the amalgam restorations was 95.3% (n = 1260) after a mean service time of 2.7 years (SD = 1.4). Multiple-surface restorations showed significantly higher failure rates (11.4%) than single-surface occlusal (4.7%) and single-surface non-occlusal (2.1%) restorations; 93.6% of large restorations was performed successfully, but had a risk of failure twice to that of small restorations (odds ratio (OR) = 2.141). The score of the decayed, missing, and filled teeth (DMFT) index had significant influence on the success rate. The risk of restoration failure increased by 11.5% for each unit increase in DMFT (OR = 1.148). Neither the operator nor age nor gender of the patient had a significant effect on the success rate of the restorations.
conclusionAmalgam was performed satisfactorily as a filling material when placed under field conditions in manually prepared cavities in the permanent dentition of high caries-risk children. Success of the restorations was influenced by the patient's caries experience (DMFT), restoration size, and service time. CLINICAL RELEVANCE: Manual restorative treatment (MRT) amalgam restorations were performed satisfactorily, but higher dental caries experience and large cavities contribute to lower success rates.
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