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Related Experiment Videos

Dimensional changes during veneering procedures on discoloured teeth

A C Meijering1, M C Peters, R DeLong

  • 1Department of Occlusal Reconstruction and Oral Function, University of Nijmegen, The Netherlands. secrof@dent.kun.nl

Journal of Dentistry
|October 1, 1998
PubMed
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Veneering procedures on discolored teeth can unintentionally increase tooth dimensions, potentially leading to overcontour. This study analyzed dimensional changes using three veneer materials to understand these effects.

Area of Science:

  • Dental materials science
  • Restorative dentistry
  • Biomaterials engineering

Background:

  • Veneer restorations (VRs) are used to improve the aesthetics of discolored teeth.
  • Understanding dimensional changes during veneering is crucial for predictable clinical outcomes.
  • Previous research has not fully quantified tooth dimension alterations post-veneer placement.

Purpose of the Study:

  • To determine the dimensional changes of central incisors undergoing veneering procedures.
  • To compare dimensional alterations across direct resin composite, indirect resin composite, and porcelain veneers.
  • To assess the impact of tooth preparation and veneer material on final tooth dimensions.

Main Methods:

  • Fifteen discolored central incisors were restored with one of three veneer materials.

Related Experiment Videos

  • Impressions and dies were taken pre-treatment, post-preparation, and post-restoration.
  • Contact stylus profilometry and 3-D surface imaging quantified dimensional differences.

    • Main Results:

    • Preparation reduction varied by material, with indirect resin composite requiring the most reduction.
    • Most veneer restorations exhibited similar thickness and dimensional stability.
    • One case showed an unexpected increase in tooth volume after veneer placement.

    Conclusions:

    • Veneering procedures can lead to unintentional increases in tooth dimensions, causing overcontour.
    • Careful material selection and preparation techniques may influence dimensional stability.
    • Further investigation is needed to fully understand and mitigate overcontour risks.