Restoration of edentulous sites with dental implants is increasingly becoming a popular choice. Cross-sectional 3-dimensional imaging using cone-beam computed tomography (CBCT) provides a better depiction of the implant site to help the clinician plan the procedure better. In spite of the advantages, radiation dose will always remain a concern. The evolution of lower-dose protocols is ongoing, but whether those acquisition protocols yield comparable diagnostic information is still not well established. The objective of this study was to evaluate the diagnostic efficacy of a low-dose, 180° rotational CBCT acquisition protocol for evaluating a potential implant site in comparison with a conventional 360° rotational acquisition. Ten dentate and partially edentulous dry human skulls providing 82 randomized implant sites—40 in the maxilla and 42 in the mandible—were chosen for this study. Each skull was imaged using a 360° and a 180° rotational acquisition on a J. Morita Accuitomo CBCT scanner. Evaluation of cortical and trabecular bone, height, width, and proximity to critical structures, such as the inferior alveolar nerve canal and the maxillary sinus, were measured. An oral surgeon and an oral radiologist rated the diagnostic efficacy of the scans by evaluating the above characteristics. Statistical evaluation of the data with linear regression showed significant agreement between both protocol measurements. Kappa analyses yielded a good interobserver agreement. In this proof-of-concept study, CBCT imaging using the lower-dose, modified arc, and 180° acquisition protocol shows comparable results to the conventional 360° protocol for preoperative implant assessment.
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August 2023
CLINICAL DENTAL IMPLANT SCIENCE RESEARCH|
September 14 2023
Comparative Evaluation of a Lower-Dose CBCT Acquisition Protocol for Preoperative Implant Site Assessment in Dry Human Skulls: A Proof-of-Concept Study
Aditya Tadinada, DDS, MDS;
Aditya Tadinada, DDS, MDS
*
1University of Connecticut School of Dental Medicine, Farmington, CT, USA.
* Corresponding author, e-mail: [email protected]
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Bailey Proft, DDS, MSD;
Bailey Proft, DDS, MSD
2Private practice, Katy, TX, USA.
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Sejal Thacker, DDS, MDS;
Sejal Thacker, DDS, MDS
3University of Connecticut School of Dental Medicine, Farmington, CT, USA.
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Sumit Yadav, MDS, PhD
Sumit Yadav, MDS, PhD
4University of Connecticut School of Dental Medicine, Farmington, CT, USA.
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J Oral Implantol (2023) 49 (4): 408–413.
Citation
Aditya Tadinada, Bailey Proft, Sejal Thacker, Sumit Yadav; Comparative Evaluation of a Lower-Dose CBCT Acquisition Protocol for Preoperative Implant Site Assessment in Dry Human Skulls: A Proof-of-Concept Study. J Oral Implantol 1 August 2023; 49 (4): 408–413. doi: https://doi.org/10.1563/aaid-joi-D-22-00099R2
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