Effect of restoration quality on periodontal health.
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Biomedical subjects
Publications and source records attributed to H Bailit.
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This study investigated the quality of restorative care in a group of health center employees. With limitations in sample size, representativeness of the sample, and methods of measuring quality clearly recognized, the results of the study suggest that significant improvements in the quality of amalgams, synthetic restorations, crowns, fixed partial denture abutments, and pontics will probably require advances in the science and technology of dentistry and modifications in the present system for delivering dental care. The impact of a quality review system is unlikely to affect the care provided by the majority of dentists. Quality review should play a role in monitoring the services fo the small percentage of dentists whose care is very inadequate. Admittedly, these conclusions are speculative and are not based on a large body of experimental information. Nevertheless, the evidence that is available is suggestive, and the development of a national policy to monitor the quality of dental care must consider what can be reasonably achieved with a quality assurance system.
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Patterns of geographic microdifferentiation for dental occlusion and the size and shape of the dental arches are described for 14 villages on Bougainville Island, Papua New Guinea. Occlusal variables, such as overjet, overbite, molar relationships, crowding or spacing, and malalignment vary less among villages than do arch length and width. Arch length and width decrease in size from north to south. The pattern of biological distance among villages for occlusal variables and arch size correspond poorly to anthropometric, linguistic, geographic and migrational distances. The value of occlusal variables and arch size for discriminating among populations, the biological interpretation of multivariate data and the objectives of research on geographic microdifferentiation are discussed.
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