Periapical Microsurgery: A 4-D Analysis of Healing Patterns

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  • March 21, 2019
Creator
  • Crossen, Daniel
    • Affiliation: School of Dentistry, Department of Endodontics
Abstract
  • This study analyzed the volumetric healing pattern of the buccal plate after periapical microsurgery over time, with focus on the bucco-lingual thickness of bone and the regression of the surface contour of the cortical plate. Twelve surgical sites were analyzed in vivo at least one year following periapical. Volumetric healing was analyzed by converting pre-operative and post-operative CBCT images into digital 3- Dimensional models; then registering the models to be able to analyze the changes in volume over time. Analysis was completed using the software “GeoMagic,” which allowed for registration of the volumes, calculation of volume change, and a calculation of the margin of error. Results showed the reduction of bucco-lingual thickness and the regression of the cortical plate to be within the margin of error in all cases. It is therefore concluded that periapical microsurgery does not cause thinning of the alveolus.
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Advisor
  • Tyndall, Donald
  • Morelli, Thiago
  • Tawil, Peter
Degree
  • Master of Science
Degree granting institution
  • University of North Carolina at Chapel Hill
Graduation year
  • 2018
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