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12 Years of repair of amalgam and composite resins: A clinical study

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2018
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Estay, J.
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12 Years of repair of amalgam and composite resins: A clinical study
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Author
  • Estay, J.;
  • Martín, J.;
  • Viera, V.;
  • Valdivieso, J.;
  • Bersezio Miranda, Cristian;
  • Vildosola, P.;
  • Mjor, I.;
  • Andrade, M.;
  • Moraes, R.;
  • Moncada, G.;
  • Gordan, V.;
  • Fernández Godoy, Eduardo;
Abstract
Objective: The objective of this study was to clinically evaluate repaired posterior amalgam and composite restorations over a 12 year period, investigate the influence of repair in the survival of restorations, and compare their behavior with respect to controls. Methods: Thirty-four patients, 18 to 80 years of age with 167 restorations, 67 composite resin (RC), and 100 amalgam (AM) restorations, participated. Restorations with localized, marginal, anatomical deficiencies and/or secondary caries, and ''clinically judged'' suitable for repair or replacement according to US Public Health Service (USPHS) criteria, were randomly assigned to four groups: repair (n=35, 20 AM, 15 RC), replacement (n=43, 21 AM, 22 RC), positive control (n=71, 49 AM, 22 RC), or negative control (n=18, 10 AM, 8 RC). The quality of the restorations was blind scored according to the modified USPHS criteria.
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URI: https://repositorio.uchile.cl/handle/2250/159160
DOI: 10.2341/16-313-C
ISSN: 03617734
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Operative Dentistry, Volumen 43, Issue 1, 2018, Pages 12-21
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