12-year Survival of Composite vs. Amalgam Restorations
12-year Survival of Composite vs. Amalgam Restorations
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DOI:
10.1177/0022034510376071
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发表时间:
2010-10-01
影响因子:
7.6
通讯作者:
Huysmans, M. -C. D. N. J. M.
中科院分区:
文献类型:
--
作者:
Opdam, N. J. M.;Bronkhorst, E. M.;Huysmans, M. -C. D. N. J. M.
Information about the long-term clinical survival of large amalgam and composite restorations is still lacking. This retrospective study compares the longevity of three-and four-/five-surface amalgam and composite restorations relative to patients' caries risk. Patient records from a general practice were used for data collection. We evaluated 1949 large class II restorations (1202 amalgam/747 composite). Dates of placement, replacement, and failure were recorded, and caries risk of patients was assessed. Survival was calculated from Kaplan-Meier statistics. After 12 years, 293 amalgam and 114 composite restorations had failed. Large composite restorations showed a higher survival in the combined population and in the low-risk group. For three-surface restorations in high-risk patients, amalgam showed better survival.