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

Microleakage and enamel finish.

S C Khera, K C Chan

    The Journal of Prosthetic Dentistry
    |April 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

    Finishing cavity preparations with hand instruments reduces marginal leakage compared to rotary instruments. Rounding sharp cavosurface angles also minimizes leakage for both amalgam and composite restorations, lowering secondary caries risk.

    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

    Amorphous Thickness-Dependent Strengthening-Softening Transition in Crystalline-Amorphous Nanocomposites.

    Nano letters·2023
    Same author

    Impact of COVID-19 on the sleep-wake patterns of preschool children.

    Sleep medicine·2022
    Same author

    Boosting Oxygen-Evolving Activity via Atom-Stepped Interfaces Architected with Kinetic Frustration.

    Advanced materials (Deerfield Beach, Fla.)·2022
    Same author

    Infection control measures for public transportation derived from the flow dynamics of obstructed cough jet.

    Journal of aerosol science·2022
    Same author

    Design of Hierarchical Porosity Via Manipulating Chemical and Microstructural Complexities in High-Entropy Alloys for Efficient Water Electrolysis.

    Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2022
    Same author

    Initial intravenous fluid prescription in general paediatric in-patients aged >28 days and <18 years: consensus statements.

    Hong Kong medical journal = Xianggang yi xue za zhi·2021
    Same journal

    Comparative evaluation of the internal and marginal adaptation of 1-piece endodontic crowns fabricated by additive, subtractive, and conventional techniques using different assessment methods.

    The Journal of prosthetic dentistry·2026
    Same journal

    Biologically oriented preparation technique (BOPT) in dentistry: A bibliometric and altmetric analysis with a focus on its scientific history and future publication trends.

    The Journal of prosthetic dentistry·2026
    Same journal

    Letter to the Editor regarding, "Dimensional accuracy and clinical adaptation of monolithic zirconia crowns fabricated with the nanoparticle jetting technique" and "Effect of finish line designs on the dimensional accuracy of monolithic zirconia crowns fabricated with a material jetting technique" by Lyu et al.

    The Journal of prosthetic dentistry·2026
    Same journal

    Effects of prosthetic screw modifications and tightening conditions on mechanical outcomes in screw-retained implant restorations: A systematic review and meta-analysis of in vitro studies.

    The Journal of prosthetic dentistry·2026
    Same journal

    Influence of silane-containing universal adhesives and separate silanization on lithium disilicate bond strength.

    The Journal of prosthetic dentistry·2026
    Same journal

    Clinical, radiographic, and esthetic outcomes of the socket shield technique versus conventional postextraction implant placement: A systematic review.

    The Journal of prosthetic dentistry·2026
    See all related articles

    Area of Science:

    • Dental Materials Science
    • Restorative Dentistry
    • Caries Prevention

    Background:

    • Marginal leakage in dental restorations is a key factor in secondary caries.
    • The finishing technique of cavity preparations can influence restoration longevity.
    • Different restorative materials exhibit varying degrees of marginal integrity.

    Purpose of the Study:

    • To compare marginal leakage in cavity preparations finished with hand versus rotary instruments.
    • To evaluate the impact of restorative material (amalgam vs. composite resin) on marginal leakage.
    • To investigate the effect of cavosurface angle sharpness on marginal leakage.

    Main Methods:

    • Comparison of marginal leakage in cavity preparations finished using hand instruments versus rotary instruments.

    Related Experiment Videos

  • Assessment of marginal leakage in restorations using amalgam and composite resin.
  • Analysis of marginal leakage at different cavosurface angles (sharp vs. rounded).

    • Main Results:

    • Hand-finished preparations showed significantly less marginal leakage than rotary-finished ones.
    • Composite resin restorations exhibited greater marginal leakage than amalgam restorations.
    • Sharply defined cavosurface angles were associated with increased marginal leakage for both restorative materials.

    Conclusions:

    • Finishing cavity preparations with hand instruments is recommended to minimize marginal leakage.
    • Rounding sharp cavosurface angles can improve restorative material condensation and reduce marginal leakage.
    • These techniques may decrease the incidence and severity of secondary caries.