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Biomedical subjects

J E Chasteen

Publications and source records attributed to J E Chasteen.

14 recordsLinked to original sources

Outcomes comparison of solo-practitioner and group practice models.

A solo-practitioner care delivery model is utilized in the predoctoral teaching clinics at the University of Washington School of Dentistry. This model requires students to independently manage their practices using central resources. The model is perceived as cumbersome for patients and students and as failing to achieve optimum educational and productivity outcomes. During the 1995-96 academic year, a group practice model of patient care delivery was pilot tested to assess whether productivity, educational, and care delivery outcomes could be enhanced in comparison to the solo-practitioner model. This group practice model combined third- and fourth-year students for purposes of sharing resources and collaborating in patient care delivery. Resources dedicated to each group practice included a practice advisor, shared patient care coordinator, dental assistant, and shared clinic receptionist. Two group practices and twenty-five student solo practitioners participated in the study. Based upon an analysis of productivity, participant, and patient data, the group practice participants had greater billing volume, better attendance, enhanced satisfaction with the staff/faculty support and their ability to fill appointments, and generally comparable patient satisfaction ratings. These results suggest that the group practice model, through the dedication of resources and collaboration of providers, could enhance the outcomes of the clinical education program.

Analysis of Variance

Contamination of local anesthetic cartridges with acrylic monomer.

The evidence presented shows that both methyl methacrylate and ethyl methacrylate monomers can diffuse through the rubber bulb of a dropper dispenser-style bottle. Methyl methacrylate is substantially more efficient in this regard than is ethyl methacrylate, which leads to the loss of these products into the environment immediately around the dropper bottle. If a dropper bottle of these agents is stored in a confined space such as a storage tub along with certain local anesthetic cartridges, the monomer vapor can enter the cartridge and contaminate its contents. A combination of methyl methacrylate in the presence of 2% lidocaine with 1:100,000 epinephrine appears to be the most reactive of the combinations tested. Local anesthetic cartridges should not be stored in a confined space with dropper bottles containing either methyl methacrylate or ethyl methacrylate monomers.

Anesthetics, Local

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Dental Records