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PubMed2002

Open wide.

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Dental Clinics↗
PubMed2002

Matrix band hygiene.

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Dentistry, Operative↗
PubMed2002

Radiosurgery 2002.

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Dentistry, Operative↗
PubMed2001

Selecting equipment for the ergonomic four-handed dental practice.

Practicing dental professionals are advised to work with equipment designed to address the need for productivity and stress reduction. Selection of dental equipment for use in an ergonomic, four-handed dentistry practice is integral to the success of the concept. In order for the dental assistant and dentist to work effectively as a team, they have to work in a safe, ergonomically sound working environment. This article examines various designs of dental equipment, the advantages and disadvantages of each, as well as identifies the criteria for equipment selection.

Capital Financing↗
PubMed2000

Four-handed dentistry revisited.

A great deal of new technology has been integrated into the modern dental office during the last several decades. However, no product can increase productivity and reduce stress and strain on the dental team as much as using the singular concept of four-handed dentistry. The research of the 1950s is undaunted in its impact on productivity. Combined with the practice of ergonomics in the workplace, this concept must be revisited by the dental profession. The young dentists of the 21st Century have had minimal exposure to true four-handed dentistry. This article, the first in a series, re-introduces the basic principles of a research-oriented concept.

Dental Assistants↗
PubMed2002

[Kinetic study of the liquid uptake of retraction cords].

The soaking time ensured for the liquid uptake of retraction cords is a crucial factor in the successful gingival retraction procedure. The aim of the present investigations was to determine the optimal soaking time for three cords of different thickness. The capability of liquid uptake of the cords was measured by a gravimetric method using four different sulcus retraction solutions. In addition to the time of soaking, the saturation of the cords with the solutions largely depended on the wetting properties and the pore structure of the cords as well. Our results indicate that 20 minutes soaking time is necessary for saturation before using in the clinical application of the cords. This conclusion applies for conditions when air bubbles are manually removed before soaking.

Dental Instruments↗
PubMed2002

The research and development of CAD-CAM system in restorative dentistry.

OBJECTIVE: To develop a dental CAD/CAM system with the autonomic intellectual property. METHOD: 28 standard teeth crowns were scanned using a newly 3-D laser scanner. As a development platform the Matlab 5.3 were used to process the acquired data, also be used to define the characterized areas on the surfaces of the crowns and to change the crowns form. The software of Surfacer 10.5 to develop a new CAD software for fixed prosthetics, and the 3.5 axis numerical controlled machine to manufacture the prosthetics were used. RESULT: It is the first time, the 3D graphic data bank of Chinese teeth crowns with a standard form was established. A software of the occlusal adjustment and the form modification were developed. It is also the first time, the authors realized the whole process to use the CAD-CAM for the manufacture of a crown. CONCLUSION: The successful result shows, that we have already mastered well the base theory, the mathematics method, the technology of a CAD-CAM system. It provides the basics for the future development.

Computer-Aided Design↗
PubMed2002

Are traditional cognitive tests useful in predicting clinical success?

The purpose of this research was to determine the predictive value of the Dental Admission Test (DAT) for clinical success using Ackerman's theory of ability determinants of skilled performance. The Ackerman theory is a valid, reliable schema in the applied psychology literature used to predict complex skill acquisition. Inconsistent stimulus-response skill acquisition depends primarily on determinants of cognitive ability. Consistent information-processing tasks have been described as "automatic," in which stimuli and responses are mapped in a manner that allows for complete certainty once the relationships have been learned. It is theorized that the skills necessary for success in the clinical component of dental schools involve a significant amount of automatic processing demands and, as such, student performance in the clinics should begin to converge as task practice is realized and tasks become more consistent. Subtest scores of the DAT of four classes were correlated with final grades in nine clinical courses. Results showed that the DAT subtest scores played virtually no role with regard to the final clinical grades. Based on this information, the DAT scores were determined to be of no predictive value in clinical achievement.

Achievement↗