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Related Experiment Videos

Measurement of preventive resin restorations using computer profilometry.

J P Conry1, J P Beyer, M R Pintado

  • 1Department of Preventive Science, School of Dentistry, University of Minnesota, Minneapolis 55455.

ASDC Journal of Dentistry for Children
|May 1, 1992
PubMed
Summary

This study quantified the extracoronal material used in preventive resin restorations (PRR) on molars. Researchers found that PRRs used a mean volume of 6.52 mm³ of material, with cavity preparations averaging 19.02% of the occlusal surface.

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Area of Science:

  • Restorative Dentistry
  • Pediatric Dentistry
  • Biomaterials

Background:

  • Preventive resin restorations (PRR) are minimally invasive treatments for occlusal caries.
  • Accurate quantification of restorative material is essential for understanding treatment outcomes and material efficiency.

Purpose of the Study:

  • To quantitatively measure the volume of extracoronal material used in PRRs.
  • To determine the projected area of cavity preparations for PRRs.
  • To assess the proportion of the occlusal surface occupied by cavity preparations.

Main Methods:

  • Thirty-three patients requiring PRR on lower first permanent molars were selected.
  • Dental impressions were taken before and after cavity preparation and restoration.
  • Replicas were digitized using computer profilometry, and images were superimposed for analysis.

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Main Results:

  • The mean volume of extracoronal material placed was 6.52 ± 2.9 mm³.
  • The mean depth of material applied was 222.52 ± 83.09 μm.
  • The mean area of material applied was 27.13 ± 5.72 mm², with cavity preparations occupying 19.02% of the occlusal surface.

Conclusions:

  • This study provides quantitative data on the material volume and surface area utilized in PRRs.
  • The findings contribute to a better understanding of material usage and preparation dimensions in minimally invasive dental restorations.