TY - JOUR
T1 - Effect of refurbishing amalgam and resin composite restorations after 12 years
T2 - Controlled clinical trial
AU - Estay, J.
AU - Martín, J.
AU - Vildosola, P.
AU - Mjor In Memoriam, I. A.
AU - Oliveira, O. B.
AU - Andrade, M. F.
AU - Moncada, G.
AU - Gordan, V. V.
AU - Fernández, E.
PY - 2017/11/1
Y1 - 2017/11/1
N2 - Objectives: The aim of this study was to clinically evaluate posterior amalgam and resin composite restorations refurbished over a period of 12 years by investigating the influence of refurbishing on the survival of restorations and comparing their behaviors with respect to controls. Methods and Materials: Thirty-four patients were enrolled, ages 18 to 80 years, with 174 restorations, 48 restorations of resin composite (RC), and 126 restorations of amalgam (AM). Restorations with localized defects in anatomy, roughness, luster, or marginal staining that were clinically judged as suitable from refurbishing according to US Public Health Service (USPHS) Ryge criteria were assigned to group A-refurbishing (n=85; 67 AM, 18 RC)-or group B-control (n=89; 59 AM, 30 RC); the quality of the restorations was evaluated blindly according to the modified USPHS criteria. Two observers conducted evaluations at the initial state (k=0.74) and after one to five, 10, and 12 years (k=0.88). Wilcoxon, Friedman, and Mantel-Cox tests were performed to compare the groups, respectively.
AB - Objectives: The aim of this study was to clinically evaluate posterior amalgam and resin composite restorations refurbished over a period of 12 years by investigating the influence of refurbishing on the survival of restorations and comparing their behaviors with respect to controls. Methods and Materials: Thirty-four patients were enrolled, ages 18 to 80 years, with 174 restorations, 48 restorations of resin composite (RC), and 126 restorations of amalgam (AM). Restorations with localized defects in anatomy, roughness, luster, or marginal staining that were clinically judged as suitable from refurbishing according to US Public Health Service (USPHS) Ryge criteria were assigned to group A-refurbishing (n=85; 67 AM, 18 RC)-or group B-control (n=89; 59 AM, 30 RC); the quality of the restorations was evaluated blindly according to the modified USPHS criteria. Two observers conducted evaluations at the initial state (k=0.74) and after one to five, 10, and 12 years (k=0.88). Wilcoxon, Friedman, and Mantel-Cox tests were performed to compare the groups, respectively.
UR - http://www.scopus.com/inward/record.url?scp=85034994604&partnerID=8YFLogxK
U2 - 10.2341/16-267-CR
DO - 10.2341/16-267-CR
M3 - Article
C2 - 28857709
AN - SCOPUS:85034994604
SN - 0361-7734
VL - 42
SP - 587
EP - 595
JO - Operative Dentistry
JF - Operative Dentistry
IS - 6
ER -
