BACKGROUND In dental practical classes, the acoustic environment is characterized by high noise levels in relation to other teaching areas. The aims of this study were to measure noise levels produced during the different dental learning clinics, by equipments used in dental learning areas under different working conditions and by used and brand new handpieces under different working conditions...

Compared to other health-care workers, dental health-care workers come in close contact with patients and use a variety of sharp and high-speed rotating instruments. It is important to understand the characteristics of the occupational accidents that occur. We reviewed incident reports from April 1, 2005, to March 31, 2010, at Matsumoto Dental University Hospital. In addition, questionnaires de...

AIM The purpose of this study was to assess the knowledge, attitude, and practice of dental implantology among dentists practicing in Nigeria. MATERIALS Self-administered questionnaires to assess the knowledge, practice, and attitude of dental implantology were sent to dentists practicing in all the 6 geopolitical zones of Nigeria (i.e., all tertiary dental institutions, and selected general ...

PURPOSE Assess prevalence of self-reported hearing difficulties among experienced dental hygienists who have been practicing for a minimum of 20 years and explore the relationship between hearing difficulties and occupational noise exposure from ultrasonic scalers. METHODS A 19-item survey was mailed to a random sample of 1,067 dental hygienists who had obtained their California licenses betw...

Public Law 88-164, enacted in 1963, has led to extensive deinstitutionalization of persons with mental retardation from a peak census of 194,650 in 1967 to 91,440 by 1988. This population now depends on the community-based health care system for medical and dental care. A survey conducted to determine the availability of dental care to the developmentally disabled residing in group homes locate...

Recently, in spite of advanced and high technology, there is still some problems for positioning head and chin of dental patients treatment for getting photographs of teeths. Furthermore, it is very important to get previous head and shoulder positions of dental patients for comparison present head position and chin of dental patients. In this study, a new designed system method is introduced f...

Early detection of childhood caries is important to childrens' overall health. Untreated childhood caries can lead to pain, as in abscesses from prolonged neglect; altered dietary intake; and delays in the development of the permanent teeth if the primary teeth are prematurely lost. In the summer of 2000, funds were provided to various oral health care provider organizations by the Illinois Dep...