ALLEGRETTI-THESIS-2016.pdf (325.82 kB)
Download fileA Cone-Beam Computed Tomography Outcome Evaluation of Maxillary Posteriors after Endodontic Microsurgery
thesis
posted on 2017-02-17, 00:00 authored by Lauren AllegrettiIntroduction: The purpose of this study was to determine the outcome of endodontic microsurgery with or without sinus perforation during surgery and to evaluate the effect of a maxillary sinus perforation during surgery on healing time and overall healing. Methods: CBCT scans were previously taken for 33 surgical patients comprising 42 roots at a local endodontic specialty practice between January 1, 2011 and July 15, 2015. All scans were obtained using a Kodak 9000 3D extra-oral imaging system (Kodak Dental Systems, Atlanta, GA) with a limited field of view and a 76 micron voxel size. All included scans must have a pre-operative scan of maxillary posterior teeth taken for the purposes of performing endodontic microsurgery with a post-operative recall scan taken at least 6 months after surgery. The pre-operative scan must show an endodontically treated tooth with a periapical radiolucency and/or symptoms requiring endodontic microsurgery. Non-diagnostic CBCT scans and cases without a 6-month or greater recall scan were excluded. Pre-operative and recall scans were evaluated by a board-certified endodontist and two second-year endodontic residents using the CBCT PAI scale. The age group and gender of the patient were recorded for each case, as were the tooth number, type, and root. Results: The average recall time was 13.8 months. Age, sex and use of a bone graft did not have a significant effect on healing. 36.8% of roots with a sinus perforation were healing at recall versus 4.3% of roots without a sinus perforation which was significant. When the healed and healing categories were combined, 84.4% roots with a sinus perforation were improving on recall versus 69.6% of roots without a sinus perforation. This difference was not significant. Conclusions: A sinus perforation during endodontic microsurgery does not affect the overall outcome of the surgical procedure.
History
Advisor
Fayad, Mohamed IChair
Fayad, Mohamed IDepartment
Oral SciencesDegree Grantor
University of Illinois at ChicagoDegree Level
- Masters