PubMed · 11949577
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Cathy Wolff. 2002. Open wide.. https://pubmed.ncbi.nlm.nih.gov/11949577/
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The aim of this study was to estimate mercury burden in waste water samples collected during one working day in 27 dental clinics. The samples were subjected to authorized analysis using the technique of QS-IE Enhanced Cold Vapour Mercury Analyzer to estimate the amount of mercury discharged. The mean value of mercury discharged was 2.49 parts per billion (ppb) for the clinics equipped with amalgam separators and 94.75 ppb for the clinics without amalgam separators. Some of the small amalgam particles released when new fillings are placed or during removal of old restorations form a sediment in tubes and drains. The remaining particles are carried with the waste water stream to the local purifying plant. If threshold values for heavy metal content including mercury are exceeded, the sludge is not allowed to be recycled as fertiliser. Installation of an approved amalgam-separating apparatus in dental clinics is recommended so as to reduce considerably the discharge of mercury into waste water.
OBJECTIVES: To investigate management of Taiwanese dental school Oral and Maxillofacial Radiology (OMFR) clinics and to suggest alternative management strategies. METHODS: A management questionnaire was designed for the faculty responsible for teaching the Oral and Maxillofacial Radiology curriculum. RESULTS: Data from all seven Taiwanese schools indicated inadequate supervision of the prescription of radiological examinations in the absence of guidelines. Most schools are understaffed and not properly equipped. There is a significant shortage of trained dentists in the field of OMFR. In some schools no dentist is involved in the management of OMFR clinics. Some aspects of quality assurance procedures should be enhanced. An average of 21.4% of films were reported lost, with the highest rate at 40%, demonstrating serious problems in image archiving. Clinician satisfaction with clinic management averaged 74.3%, with a minimum of 50%. CONCLUSION: A set of standards is recommended by the Taiwanese OMFR Association after reviewing the survey findings. Prescription for OMFR examination should be supervised by licensed clinicians, and there is a need for guidelines. Trained and dedicated personnel should be assigned for the management of OMFR clinics. More quality assurance procedures should be performed. A computer-based image archiving system is desirable.
There is increasing interest in broadly inclusive public health interventions that involve low-cost, self-help materials and minimal support from professionals. Dental health care workers (DHCWs) are a largely untapped resource for providing advice and brief counseling to tobacco-using patients, and there are good reasons to believe that they can be effective in this role. The results of our randomized clinical trials have shown that a brief dental office-based intervention can be effective in helping smokeless tobacco users to quit and smokers to reduce their use and become more ready to quit. A third clinical trial tested the effectiveness of two methods of disseminating the smokeless tobacco intervention to DHCWs throughout the western United States. Workshops were more effective than self-study in effecting behavior change, although our analyses indicate that self-study was more cost-efficient. These studies have demonstrated the viability of using dentists and dental hygienists to provide brief cessation advice and supportive materials in the context of regular oral health visits to encourage their patients to quit. The results of these studies also support the timeliness of further dissemination and diffusion of this program to practitioners, dental schools, and dental hygiene programs.