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Related Experiment Videos

Occlusal refinement of mounted casts before crown fabrication to decrease clinical time required to adjust occlusion.

H P Boyarsky1, L G Loos, C Leknius

  • 1University of the Pacific School of Dentistry, San Francisco, CA 94115, USA. hboyarsk@uop.edu

The Journal of Prosthetic Dentistry
|November 24, 1999
PubMed
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Pre-fabrication cast adjustment significantly reduces clinical chair time for dental crown occlusal adjustments. This technique minimizes lengthy chairside procedures, improving efficiency in restorative dentistry.

Area of Science:

  • Dental Materials Science
  • Restorative Dentistry
  • Clinical Prosthodontics

Background:

  • Adjusting the occlusion of newly fabricated dental crowns often consumes excessive clinical chair time.
  • Inefficient occlusal adjustments can lead to patient dissatisfaction and increased treatment costs.

Purpose of the Study:

  • To evaluate the efficacy of a "cast adjustment" procedure in reducing the time required for clinical occlusal adjustments of crowns.
  • To determine if pre-fabrication cast adjustment streamlines the restorative dental workflow.

Main Methods:

  • Thirty-eight single-unit crowns were fabricated for patients. Master casts were divided into a control group (no pre-adjustment) and an experimental group with "cast adjustment" performed by a technician.
  • Experimental group casts underwent occlusal adjustment to achieve at least one cusp-to-fossa centric contact per posterior tooth.

Related Experiment Videos

  • Crown delivery was followed by a student survey recording the time spent on occlusal adjustment.

    • Main Results:

    • In the control group (n=19), 6 crowns required over an hour for occlusal adjustment.
    • In the experimental group (n=19), only 1 crown necessitated more than an hour for occlusal adjustment, indicating a significant reduction in adjustment time.

    Conclusions:

    • Pre-fabrication "cast adjustment" is an effective method to significantly decrease the likelihood of prolonged clinical occlusal adjustments.
    • Implementing cast adjustment protocols can enhance efficiency in crown fabrication and delivery processes.