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Complementary to the didactic lecture, the guided teaching system enables the students to formulate and resolve one or more problematic cases specific to the topic. The application of the PHILIPS 6/6 inter-active non-directive method, allowed us through the teaching of a simple subject (the rubber dam in restorative dentistry) to emphasize the multiple performances of group dynamics as applied to dental education.
The Ivory widener is practical, quick and without deleterious effects on dental and gingival tissues. It allows a gradual and reproducible effect, good visibility of the operatory field and a better access to the dental cavity with saving of healthy tissue.
Polymerization inhibition of poly(vinyl siloxane) impression materials has been reported with the use of latex gloves. This study evaluated the effect on polymerization of a poly(vinyl siloxane) impression material in both direct and indirect contact with 25 brands of latex gloves, two brands of vinyl gloves, and two weights of rubber dam. Use of all but one of the latex products (96%) resulted in inhibition of polymerization with direct contact. Forty percent of the latex gloves tested inhibited polymerization with indirect contact. The vinyl gloves tested had no effect on polymerization. The implications of inhibited polymerization were discussed.
This study reports on a survey administered to graduates of the State University of New York at Buffalo School of Dental Medicine concerning usage of and attitudes toward the rubber dam. Differences in both reported usage and attitudes were found between graduates who had received minimal rubber dam training and those who had received more intensive training. Those with graduate training reported more frequent use of the dam than those with no graduate training; however, overall reported usage of the rubber dam was quite low. Comments provided by some respondents suggest that in the educational process a greater emphasis should be put on the reasons for using the dam rather than placement technique.
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A study was made to ascertain the efficacy of rubber dam isolation in controlling atmospheric bacterial contamination, when conservative pedodontic procedures are performed. There was a highly significant (p less than 0.001) reduction in bacterial contamination of the atmosphere, perioperatively, when rubber dam isolation was used. As the reduction in bacterial aerosols was greatest at 1 m from the headrest, the use of rubber dam would minimize significantly the inhalation of infective aerosols by dental personnel.
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Authors present this review article in the beginning of an experimental study about lasers applications in dentistry. They also show the main characteristics of lasers involved in this kind of research.
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For any task, the eye can respond effectively if there is enough light, if that light is properly distributed, if the appropriate color correction is provided, and if visual contrasts are balanced. Dental offices differ in the types of work performed, the number of people engaged in various tasks, and the types of patients treated. Each office and each room can be planned according to the guidelines herein suggested as long as a rational analysis is applied to the result desired and the tasks being accomplished. The authors suggest that all concerned with office design, the architect, the contractors, and even other illuminating engineers be asked to read this article before integrating their efforts, for the dental office presents some variations not frequently encountered by these people. The need for conservation of our energy sources mandates wise use of all our energy expenditures. There is another resource conservation need that is sometimes overlooked--the effective use of talented people such as the dentist and his staff. The employment of adequate illumination design heeds both demands while giving a rewarding pleasantness and enjoyment of the work environment.
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