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Standardizing Evaluations of the Clinical Marginal Fracture of Amalgam
D.B. Mahler
Oregon Health Sciences University, School of Dentistry, 611 S.W. Campus Drive, Portland, Oregon 97201
J.H. Engle
Oregon Health Sciences University, School of Dentistry, 611 S.W. Campus Drive, Portland, Oregon 97201
R.W. Bryant
University of Sydney, Faculty of Dentistry, Chalmers Street, Surry Hills, NSW 2010, Australia
In this study, we investigated both inter-examiner and intra-examiner differences in the evaluation of the marginal fracture characteristics of dental amalgam restorations. Evaluations were made by matching intra-oral photographs of the occlusal surfaces of clinical restorations to a reference set of clinical photographs illustrating increasing amounts of marginal fracture. Four amalgam alloys and five examiners provided the data base. Differences in marginal fracture indices were found among examiners and between evaluation times for the same examiners. However, these differences were reduced significantly after application of a standardization procedure.
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Journal of Dental Research, Vol. 65, No. 8,
1108-1111 (1986)
DOI: 10.1177/00220345860650081301
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