Defense Date
2024
Document Type
Thesis
Degree Name
Master of Science in Dentistry
Department
Dentistry
First Advisor
Aniket Jadhav
Second Advisor
Caroline Carrico
Third Advisor
Thomas Waldrop
Abstract
Objectives: The primary goal of this retrospective analysis is to analyze the morphologic changes that occur following extraction in regards to sinus pneumatization.
Methods: The patient population was selected from the VCU School of Dentistry Graduate Periodontics Department. Cone Beam Computed Tomography scans (CBCT) was obtained from patients that had a posterior tooth extracted. A horizontal tangent line was drawn to the inferior border of the nasal cavity, acting as a constant reference point for measuring the extent of maxillary sinus pneumatization. Radiographic measurements were performed from a horizontal line at this fixed anatomical marker to the deepest level of the maxillary sinus pneumatization at the second premolar, first molar, or second molar sites.
Results: Results showed that the edentulous site had a statistically significantly greater amount of pneumatization of 1.7mm. There were no significant differences between tooth sites. There was no significant difference between preserved versus nonpreserved sites, but there was a trend towards less pneumatization at preserved sites (0.3mm) vs nonpreserved sites (1.8mm).
Conclusion: This preliminary study showed a significant difference between sinus pneumatization at edentulous sites compared to the contralateral sites. The extraction of a posterior teeth displayed a significant increase in sinus pneumatization compared to the contralateral dentate site of 1.7 mm. Ridge preservation at time of extraction showed a trend towards less sinus pneumatization of 0.3mm vs 1.8mm at non-preserved sites. This shows preliminary data that ridge preservation could help mitigate dimension changes of sinus pneumatization following extractions as well.
Rights
©Catherine Ramundo
Is Part Of
VCU University Archives
Is Part Of
VCU Theses and Dissertations
Date of Submission
5-9-2024