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Related Experiment Videos

Interchangeability of two semiadjustable articulators.

R B Price1, J D Gerrow, R W Loney

  • 1Department of Dental Clinical Sciences, Faculty of Dentistry, Dalhousie University, Halifax, Nova Scotia B3H 3J5, Canada. rbprice@is.dal.ca

The International Journal of Prosthodontics
|August 4, 2001
PubMed
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New Whip Mix articulators (models #2240 and #3040) demonstrate high interchangeability in the centric position. Most units met the <94 micron standard, indicating reliable transfer of mounted casts.

Area of Science:

  • Dental Technology
  • Prosthodontics
  • Laboratory Procedures

Background:

  • Accurate transfer of mounted casts between articulators is crucial for dental restorations.
  • Interchangeability ensures precision in prosthodontic procedures.
  • Semi-adjustable articulators are widely used in dental laboratories.

Purpose of the Study:

  • To evaluate the interchangeability of new, unused Whip Mix semi-adjustable articulators.
  • To assess the centric position accuracy of Whip Mix models #2240 and #3040.
  • To determine the reliability of mounted cast transfer between these articulators.

Main Methods:

  • Tested 109 new, unused Whip Mix articulators (38 model #2240, 71 model #3040).
  • Utilized the Whip Mix #2245 check system as the standard for interchangeability evaluation.

Related Experiment Videos

  • Measured vertical discrepancies between check system cylinders.

    • Main Results:

    • 93% (101 of 109) of articulators met the interchangeability standard (< 94 microns horizontal discrepancy).
    • Model #2240 showed < 52 microns vertical space in 99.4% of units.
    • Model #3040 showed < 52 microns vertical space in 99.7% of units.

    Conclusions:

    • New Whip Mix model #2240 and #3040 articulators exhibit high interchangeability in the centric position.
    • These articulators are suitable for accurate transfer of mounted casts.
    • The findings support the use of these models in dental laboratory procedures.