نتایج جستجو برای: dental unit
تعداد نتایج: 549772 فیلتر نتایج به سال:
AIM To draw up a program for coordination of dental care for children with special needs between the Course at the Universidad Complutense de Madrid (UCMC) (Specialisation in holistic dental care for children with special needs), and the Disabled Children's Oral Health Unit (DCOHU) within the Madrid Health Service (SERMAS). MATERIAL AND METHODS UCMC Protocol for children with special needs. D...
X-ray powder diffraction of red kangaroo (Macropus rufus) dental enamel, with a relative density greater than 2.60, showed a longer a-axis length of the apatite unit cell, a = 9.462 A, a shorter c-axis length, c = 6.877 A, and a smaller crystallite size, ca. 185 A, than those of human dental enamel. The a-axis of red kangaroo dental enamel was one of the longest among the values reported previo...
Ceramics has become increasingly popular as a dental restorative material because of its superior esthetics, as well as its inertness and biocompatibility. Among dental ceramics, zirconia is used as a dental biomaterial and it is the material of choice in contemporary restorative dentistry. Zirconia ceramics has both clinical popularity and success due to its outstanding mechanical properties a...
Biofilms are well-organized communities of cooperating microorganisms that can include bacteria, algae, fungi and diatoms. Dental unit waterlines (DUWL) are an integral part of dental surgery equipment, supplying water as a coolant, primarily for air turbine and ultrasonic scalers. Surveys of dental unit waterlines (DUWLs) indicate that biofilm formation is a universal problem and great majorit...
Members of the genus Exophiala are often difficult to identify to the species level because of their variable morphological appearances. This paper describes the methods used to identify Exophiala mesophila and provides salient differential features for distinguishing other mesophilic members of the genus.
Function Its purpose was to treat patients whose degree of subnormality was such that operative procedures with local anaesthesia and sedation would be difficult and rarely successful. Full general anaesthesia with endotracheal intubation and throat pack made it possible for the most intractable patient to have the necessary treatment completed in one visit. The theatre is equipped with all the...
Studies on dental units (DUs) are conducted either for the prevention or the reduction of the density of bacterial contamination in dental unit waterlines (DUWLs). However, the existence of fungi in the these systems requires more attention. During dental treatment, direct contact with water contaminated with fungi such as Candida, Aspergillus, or inhalation of aerosols from high-speed drill ma...
Dental unit waterlines are heavily colonized by bacteria which contaminate the water used to perform intraoral, and sometimes invasive, procedures. There is little information on the nature of the biofilm colonizing the flexible plastic tubing used to supply water to the different handpieces. We have therefore undertaken quantitative microbial analysis and ultrastructural studies of these biofi...
OBJECTIVES To determine prevalence of dental erosion among competitive swimmers in Kaunas, the second largest city in Lithuania. MATERIAL AND METHODS The study was designed as a cross-sectional survey, with a questionnaire and clinical examination protocols. The participants were 12 - 25 year-old swimmers regularly practicing in the swimming pools of Kaunas. Of the total of 132 participants t...
Bacterial contamination in dental unit waterlines (DUWLs) was evaluated by molecular techniques in addition to the conventional culture method. Water samples (n=8) from DUWLs were investigated for heterotrophic bacteria by culture method using R2A agar. The selected bacterial antibiotic-resistance genes and Legionella species-specific 16SrDNA were identified by PCR. The profiles of bacterial co...
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