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Improved laboratory results for fixed restorations using sequential tooth preparation.

D W Eggleston1

  • 1University of Southern California School of Dentistry, Los Angeles, CA, USA. david@eggleston.com

Journal of Prosthodontics : Official Journal of the American College of Prosthodontists
|November 14, 2000
PubMed
Summary

Dentists can improve fixed prosthodontics results using a master cast technique. This method provides precise laboratory guidance for restoration dimensions and records vertical dimension before treatment.

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Area of Science:

  • Dentistry
  • Prosthodontics

Background:

  • Laboratory reference guides are crucial for optimal outcomes in fixed prosthodontics.
  • Accurate communication between dentists and laboratory technicians is essential for successful restorations.

Purpose of the Study:

  • To describe a novel technique utilizing a master cast made before the final tooth preparation.
  • To enhance the precision of laboratory prescriptions for dental restorations.

Main Methods:

  • A master cast is created prior to the preparation of the last tooth.
  • Laboratory prescriptions incorporate restoration dimensions relative to the unprepared tooth replica on the master cast.

Main Results:

  • The described technique provides technicians with precise guides for restoration contour and size.

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  • This method also serves as a valuable pretreatment record of the patient's vertical dimension.
  • Conclusions:

    • This technique offers improved accuracy and communication in fixed prosthodontic workflows.
    • Utilizing a master cast before final preparation enhances laboratory guidance and pretreatment records.