2019
DOI: 10.1111/cid.12830
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Linear measurements of sinus floor elevation based on voxel‐based superimposition of cone beam computed tomography images

Abstract: Background Postsurgical evaluation of sinus floor elevation regularly involves linear measurements of the elevated volumes in the cone beam computed tomography (CBCT) images. The accuracy of measurements could be compromised due to ill‐defined sinus floor outline if implants are placed simultaneously. Purpose The aim was to examine a CBCT superimposition method to improve the measurement accuracy. Materials and Methods Twenty patients who received transalveolar sinus floor elevation with immediate implantation… Show more

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Cited by 7 publications
(7 citation statements)
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“…Three anatomical landmarks from the maxilla were chosen to match the two images, including the mesial incisal angle of the right upper central incisor, mesial buccal cusp of the upper first molar on the nonsurgical side or one cusp of the adjacent tooth to the implant, and the meeting point of anterior nasal spine and piriform aperture (Figure 3). The voxel‐based imposition was automated by the software to match the density information of the two images 25 . After merging, the superimposed image was then oriented with the long axis of the implant.…”
Section: Methodsmentioning
confidence: 99%
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“…Three anatomical landmarks from the maxilla were chosen to match the two images, including the mesial incisal angle of the right upper central incisor, mesial buccal cusp of the upper first molar on the nonsurgical side or one cusp of the adjacent tooth to the implant, and the meeting point of anterior nasal spine and piriform aperture (Figure 3). The voxel‐based imposition was automated by the software to match the density information of the two images 25 . After merging, the superimposed image was then oriented with the long axis of the implant.…”
Section: Methodsmentioning
confidence: 99%
“…A commercially available 3‐dimensional image software, Dolphin Imaging version 11.95 (Dolphin Imaging & Management Solutions) was employed for image processing. Multiplanar (axial, coronal, and sagittal) and 3‐dimensional reconstructed images were generated after importing each DICOM file 25 …”
Section: Methodsmentioning
confidence: 99%
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“…In oral implantation, dental implants may penetrate the wall of the maxillary sinus when the maxillary posterior teeth are missing, which can cause serious problems [1] . Sinus floor elevation to ensure sufficient bone mass has been widely applied to resolve this issue, and involves the implantation of bone material into the bottom of the maxillary sinus which will grow into the bone graft (BG) after a period of time [2] . Measurement and analysis of the BG region of postoperative patients, based on cone-beam computed tomography (CBCT) images, are required to monitor the growth of BG and evaluate BG materials [3] .…”
Section: Introductionmentioning
confidence: 99%