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A simple and predictable direct technique for esthetic provisional veneers.

Careen W Young

    Journal of the California Dental Association
    |March 17, 2004
    PubMed
    Summary

    This article introduces a new method for making temporary dental veneers. The technique uses a thermoplastic matrix and a fast-setting resin. The matrix helps shape the veneer and later acts as a stent. The process is designed to be simple and fast, allowing for same-day fabrication. The method avoids the need for a separate lab step. The authors suggest this could be a useful option for dentists looking to improve efficiency. The technique is described as predictable and repeatable. It may be especially helpful in cases where aesthetics are a priority.

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    Journal of the California Dental Association·2004
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    Area of Science:

    • Dental prosthetics
    • Restorative dentistry
    • Clinical dental techniques

    Background:

    Provisional veneers play a key role in restorative dentistry by preserving aesthetics and function during treatment planning. Various methods exist for their fabrication, including direct and indirect approaches. Some techniques rely on acrylic or composite resins, while others use vacuform matrices. However, the literature lacks a detailed description of a direct method using urethane dimethacrylate. This gap motivated the development of a new approach. The need for a predictable and simple technique remains unmet in current clinical practice. No prior work had resolved the issue of combining a thermoplastic matrix with a removable provisional. This uncertainty drove the exploration of an alternative fabrication method. The goal is to provide a streamlined option for clinicians seeking efficiency and accuracy.

    Purpose Of The Study:

    The aim of this work is to introduce a direct technique for creating removable provisional veneers. This method uses an auto-polymerizing urethane dimethacrylate resin. The technique is designed to be simple and predictable for clinical use. It eliminates the need for complex laboratory procedures. The focus is on improving workflow and reducing chair time. The approach is intended for use in aesthetic dentistry cases. The thermoplastic matrix is a key component of the method. The technique is proposed as an alternative to existing indirect and direct methods.

    Keywords:
    dental veneersprovisional restorationthermoplastic materialsclinical dental techniques

    Frequently Asked Questions

    The technique produces removable provisional veneers using a thermoplastic matrix and urethane dimethacrylate resin.

    The matrix is used to shape the veneer and later functions as a stent for the provisional.

    It allows for a direct, single-visit fabrication without the need for a laboratory step.

    It provides a consistent shape and fit while also serving as a stent for the provisional.

    The process is completed within a single clinical visit, minimizing chair time.

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    Main Methods:

    The described method begins with the preparation of a thermoplastic matrix. The matrix is formed using a thermoplastic sheet and a vacuum-forming technique. Once the matrix is ready, it is used to shape the provisional veneer. An auto-polymerizing urethane dimethacrylate resin is applied to the matrix. The resin is then polymerized using an auto-curing process. The resulting veneer is trimmed and polished for fit and aesthetics. The matrix is also designed to serve as a stent for the provisional. The technique avoids the use of a separate laboratory step for fabrication.

    Main Results:

    The technique successfully produced removable provisional veneers. The use of a thermoplastic matrix ensured consistent shape and fit. The auto-polymerizing resin provided a durable and aesthetic result. The process was completed within a single clinical visit. The matrix also functioned as a stent for the provisional. No significant complications were reported during the procedure. The method was found to be predictable and repeatable. The results suggest this technique is a viable alternative to existing methods.

    Conclusions:

    The authors propose that this technique offers a practical solution for provisional veneer fabrication. It combines the benefits of a direct method with the simplicity of a thermoplastic matrix. The use of urethane dimethacrylate resin supports the durability of the veneers. The matrix also serves as a stent, reducing the need for additional components. The process is described as predictable and suitable for clinical use. The method may be particularly useful in aesthetic dentistry cases. The authors suggest it could be a valuable addition to the clinician's toolkit. The technique aligns with the goal of minimizing chair time and improving efficiency.

    The authors propose it is a practical and predictable option for provisional veneer fabrication.