Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Comparative study of selected alginate materials and devices.

R E Koski

    Journal of the American Dental Association (1939)
    |April 1, 1977
    PubMed
    Summary

    Mechanical mixing with the Whip-Mix spatulator yielded superior alginate impression results compared to the Columbus system. Jeltrate alginate also performed best when hand-mixed for detailed dental impressions.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    Direct bonding of orthodontic brackets.

    Quintessence of dental technology·1986
    Same author

    How to achieve the best surface polish on composite resins.

    CDA journal·1983
    Same author

    The relationship of weight loss to surface roughness of composite resins from simulated toothbrushing.

    The Journal of prosthetic dentistry·1982
    Same author

    Controlling mercury vapor within the dental operatory.

    CDA journal·1981
    Same author

    Evaluation of insertion methods for composite resin restorations.

    The Journal of prosthetic dentistry·1979
    Same author

    Composite resins--the relationship of filler particle size to finishing properties.

    CDA journal·1976

    Area of Science:

    • Dental Materials Science
    • Biomaterials Engineering
    • Prosthodontics

    Background:

    • Alginate impression materials are widely used in dentistry for creating dental models.
    • The mixing method significantly influences the accuracy and surface quality of alginate impressions.
    • Evaluating different alginate brands and mixing techniques is crucial for optimal clinical outcomes.

    Purpose of the Study:

    • To compare the detail reproduction and surface defect characteristics of four alginate brands mixed by hand.
    • To evaluate the performance of two mechanical spatulators (Whip-Mix vacuum and Columbus centrifugal) in preparing alginate impressions.
    • To determine the most effective alginate material and mixing method for achieving high-fidelity dental impressions.

    Main Methods:

    • Four brands of alginate impression materials were hand-mixed.
    • One alginate material was mixed using a Whip-Mix vacuum mechanical spatulator and a Columbus centrifugal mechanical spatulator.
    • Ten impressions of each group (four hand-mixed, two mechanically mixed) were made from a detail reproduction block.
    • Stone casts of 60 impressions were analyzed using a line study method and surface defect counts.
    • Statistical analysis was performed on the collected data.

    Main Results:

    • The Whip-Mix vacuum mechanical spatulator produced significantly superior results compared to the Columbus system centrifugal mechanical spatulator.
    • Among the four alginates tested, Jeltrate impression material yielded better results when hand-mixed.
    • Mechanical mixing, particularly with the Whip-Mix device, demonstrated potential for improved impression accuracy.

    Conclusions:

    • The choice of mechanical mixing device significantly impacts the quality of alginate impressions, with the Whip-Mix vacuum spatulator showing superior performance.
    • Jeltrate stands out as a high-performing alginate material for hand-mixing applications.
    • Optimizing the mixing process through appropriate equipment and material selection is essential for enhancing the accuracy of dental impressions.

    Related Experiment Videos