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Validation of novel measurement protocols proposed for the standardized assessment of crestal bone levels: A cone-beam computed tomography study.
Imaging Sci Dent
December 2024
Department of Oral and Maxillofacial Radiology, Faculty of Dentistry, Assiut University, Assiut, Egypt.
Purpose: This study was performed to introduce, evaluate, and compare various novel assessment protocols designed for straightforward, reliable, and reproducible measurement of alveolar bone levels. These protocols are intended for standardized periodontal assessment and follow-up, utilizing cone-beam computed tomography (CBCT) images and manipulation of Digital Imaging and Communications in Medicine (DICOM) viewer software.
Materials And Methods: Two experienced oral and maxillofacial radiologists developed 5 distinct radiographic measurement protocols.
Effect of a metal artifact reduction algorithm on cone-beam computed tomography scans of titanium and zirconia implants within and outside the field of view.
Imaging Sci Dent
December 2024
Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples Federico II, Naples, Italy.
Purpose: This study aimed to evaluate the impact of a metal artifact reduction (MAR) algorithm on cone-beam computed tomography (CBCT) scans of titanium and zirconia implants, both within and outside the field of view (FOV).
Materials And Methods: In this study, a dry human mandible was positioned in a CBCT scanner with only its left quadrant included in the FOV. Each type of implant (titanium and zirconia) was placed once in the right second premolar extraction socket and once in the left second premolar extraction socket of the mandible.
Surgical extraction of a sublingually-displaced retained root with the aid of a magnetic field-based dynamic navigation system: a case study.
J Korean Assoc Oral Maxillofac Surg
December 2024
Department of Oral and Maxillofacial Surgery, Hallym University Sacred Heart Hospital, Anyang, Korea.
The submandibular displacement of a mandibular third molar residual root presents major challenges to oral and maxillofacial surgeons due to the proximity to critical anatomical structures such as the lingual nerve and sublingual artery. Preoperative imaging can approximate the location of the residual tooth root; however, accurately determining its exact position is difficult because of the dynamic nature of the mandible and the difficulty of real-time synchronization of imaging. This study presents the successful extraction of a residual mandibular third molar root in a 67-year-old female patient achieved using a magnetic field-based navigation system.
View Article and Find Full Text PDFLong-term clinical study of fixed prosthetic rehabilitation using one-piece narrow-diameter implants: a retrospective study.
J Korean Assoc Oral Maxillofac Surg
December 2024
Department of Prosthodontics, Section of Dentistry, Seoul National University Bundang Hospital, Seongnam, Korea.
Objectives: The objective of this study was to evaluate the long-term clinical outcomes of one-piece narrow-diameter implants (NDIs), with diameters of 2.5 mm and 3.0 mm, and to investigate the factors that affect marginal bone loss (MBL) around these implants.
View Article and Find Full Text PDFAssessment of implant stability with resonance frequency analysis and changes in the thickness of keratinized tissue and crestal bone level using cone-beam computed tomography in two-stage implants: A three-dimensional clinicoradiographic study.
J Indian Soc Periodontol
December 2024
Department of Periodontology and Implantology, G. Pulla Reddy Dental College and Hospital, Kurnool, Andhra Pradesh, India.
Background: The present study aims to evaluate a three-dimensional (3D) changes in the crestal bone levels (buccally, lingually/palatally, mesially, and distally) and in the thickness of keratinized tissue around single or multiple implants using cone-beam computed tomography (CBCT) after 1 year.
Materials And Methods: Twenty-eight implants were placed in the posterior load-bearing areas in 10 patients. The crestal bone levels and the thickness of keratinized tissue surrounding the edentulous area were assessed preoperatively, immediately after implant placement, and 1 year after implant placement using CBCT (3D imaging technique with DICOM software (Carestream Health, Rochester, NY)).
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