objective: secondary caries is a common problem in dental treatments and its occurrence is attributed to several factors. the present study aimed at assessing the prevalence of secondary caries in posterior teeth of patients presenting to the department of operative dentistry, shahid beheshti dental school.   methods: this descriptive study was conducted on 350 patients with 1,339 posterior tee...

objective: tooth surface undergoes continuous remineralization and demineralization. the aim of this study was to compare the effect of caseinphosphopeptide-amorphous calcium phosphate (cpp-acp) paste and fluoride gel on the microhardness of demineralized enamel lesions.   methods: frothy eight specimens of premolar teeth were chosen and randomly divided to 4 groups of 12. after the initial mea...

_________________________________________________ James Oehmke is an Associate Professor in the Department of Agricultural Economics and L. H. Bailey Scholar at Michigan State University. This research was sponsored in part by the Michigan Agricultural Experiment Station. Research assistance was provided by Ben Chaffin. I would like to thank four anonymous referees for comments on an earlier ve...

background: improvement of medical education is necessary for meeting health care demands. participation of private practice physicians in ambulatory care training is an effective method for enhancing medical students' skills. purpose: this study was undertaken to determine clinical professors' views about participation of physicians with private office in ambulatory care training. methods: par...

Historically, oral and maxillofacial surgeons have had considerable autonomy in operating their offices. Oral and maxillofacial surgeons have had a singular history of safety, training, and success in outpatient anesthesia in their offices. However, preventable patient morbidity and mortality in private office-based surgical facilities of a variety of professions have brought increased scrutiny...