Journal of Dental Research, Vol 79, 1532-1536, Copyright © 2000 by International & American Associations for Dental Research Online Journals

ARTICLES

Use of radiology practice guidelines and compliance with accreditation standards in US and Canadian dental schools

M. L. Kantor
Primary Care/Health Services Research Consortium, UMDNJ-Robert Wood Johnson Medical School, New Brunswick, NJ, USA. mkantor@umdnj.edu

In 1992 and 1997, all US and Canadian dental schools were surveyed by mail regarding the preferred initial radiographic examination prescribed for non-emergency, comprehensive-care patients (dentulous adults, edentulous adults, and children). In both survey years, a minority of US and Canadian dental schools reported using selection criteria for dentulous adults and children, while nearly all schools reported doing so for edentulous adults. The purpose of this secondary analysis was to investigate the relationship between the use of radiology selection criteria (vs. predetermined routine examinations) in US and Canadian dental school clinics and three factors: (1) the credentials of the chief-of-service, (2) institutional funding, and (3) geographic region. "Credentials of the chief-of-service" is the single factor significantly related to the distributions of radiographic examinations prescribed for dentulous adults in both years (Fisher exact test, p < or = 0.02). There are no statistically significant relationships for edentulous adults or children in either year. Multivariate analyses (logistic regression) of the 1997 data reveal that institutions with a credentialed chief-of-service are 2.39 times more likely to report using selection criteria than institutions with a noncredentialed chief-of-service; private institutions are 1.13 times more likely than public institutions, and Canadian schools are 3.65 times more likely than US schools. A similar trend was identified for children. Analysis of the 1992 data revealed similar trends for the credentials of the chief-of-service and the geographic region, but showed no association between institutional funding source and the use of selection criteria. Contrary to accreditation standards, most US and Canadian dental schools obtained pre-determined routine radiographic examinations on most new patients. However, the presence of a credentialed chief-of-service had a positive effect on the use of selection criteria for dentulous adults and children.

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