Bactericidal efficacy of glycine-type amphoteric surfactant as a denture cleaner and its influence on properties of denture base resins.
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The bactericidal efficacy of 1.00-4.50% glycine-type amphoteric surfactant (Gly) was evaluated by measuring its microorganism removal rate in denture plaque. Physical and mechanical properties such as surface roughness, color difference, and bending strength of two different denture base resins were determined before and after cleaning in Gly solutions, a commercial denture cleaner, and tap water. The microorganism removal rates of all the Gly solutions were higher than those of a commercial enzymatic denture cleaner (Polident) (p>0.05). The removal rate of Candida spp. by Polident was not significantly different from the removal rate using water. Changes in the surface roughness and color difference among the specimens were slight. There were no significant differences in the bending strengths of the two resins for all concentrations of Gly solution (p>0.05). These results suggested that glycine-type amphoteric surfactant solution may be effective as a denture cleaner in conjunction with an ultrasonic cleaning device. (+info)
Denture-related hyperplasia: a clinical study of a Turkish population group.
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A clinically oriented complete denture program for second-year dental students.
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The traditional preclinical complete denture prosthodontic curriculum relies predominantly on the laboratory (e.g., bench-type) component of the complete denture fabrication process. In most cases, this involves a passive model of student knowledge acquisition utilizing lectures and low-fidelity laboratory exercises. A recently implemented program in the College of Dentistry at the University of Illinois at Chicago challenges this educational paradigm by introducing an active learning environment for second-year students based on significant clinical exposure with patients. The result is a major shift of emphasis, first, from a purely technical/laboratory aspect of the discipline to patient-centered education and, second, from mastering individual phases of denture fabrication to understanding the entire process of edentulous patient care. To compare student outcomes in the new program with those in the traditional program, their performance overall and in three components of the final examination for each program were statistically compared. The results of the one-way ANOVA analysis show statistically significant improvement in the students' total score in the new program, including their performance on the written, practical, and OSCE portions of the final examination. This article describes the rationale, logistics, challenges, and advantages of the new educational model of the complete denture prosthodontics curriculum. (+info)
Enterobacteriaceae and pseudomonadaceae on the dorsum of the human tongue.
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Correct complete denture rehabilitation, a chance for recovering abused tissues.
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The prosthodontic treatment must provide for the edentulous patients bio-functional prosthetic restorations, bio-prophylactic for the surrounding tissues. In this aim, an edentulous patient must be submitted to a methodical clinical examination in order to establish the quality of hard and soft tissues, which will indicate the degree of difficulty of the prosthetic treatment. Additional investigation as a microbiologic examination and cephalometric radiographs can be useful in a modern investigation. In our daily practice, we are rarely confronted with a normal morphology of the denture bearing oral structures. The problem of managing abused tissues in a patient with morphologic abnormalities due to faulty prostheses is sometimes difficult to solve. Preventing the deterioration of oral status must be a condition in providing a chance for the success of the following rehabilitations, mainly in the situation when the complete edentulousness succeeds in a young or middle age patient. (+info)
Effect of sodium bicarbonate on Candida albicans adherence to thermally activated acrylic resin.
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