Evaluation of Three-Dimensional Volumetric Changes After Sinus Floor Augmentation with Mineralized Cortical Bone Allograft
Identifieur interne : 001A98 ( Main/Exploration ); précédent : 001A97; suivant : 001A99Evaluation of Three-Dimensional Volumetric Changes After Sinus Floor Augmentation with Mineralized Cortical Bone Allograft
Auteurs : Antoine Berberi [Liban] ; Lea Bouserhal [États-Unis] ; Nabih Nader [Liban] ; Rita Bou Assaf [Liban] ; Nayla Bassil Nassif [Liban] ; Joseph Bouserhal [Liban] ; Ziad Salameh [Liban]Source :
- Journal of Maxillofacial & Oral Surgery [ 0972-8279 ] ; 2014.
Abstract
The aim of this retrospective study was to quantify three-dimensional (3D) volumetric bone changes over a two-year period in maxillary sinuses augmented with a mineralized cortical bone allograft material (MCBA) material.
Eleven patients (6 males and 5 females) with mean of age of 51.6 (range: 46–61) years were treated to increase the vertical dimension of the alveolar crest by maxillary sinus floor augmentation procedure. Study data were collected from patient records and by analyzing preoperative radiographs and cone beam computed tomography (CBCT) scans taken within the first two weeks after maxillary sinus lift (T0), immediately before implant placement four months after grafting (T1), and after one year of implant loading (T2). All DICOM-formatted images were rendered into volumetric images using software that automatically calculated the volume of the grafted material in cubic centimeters.
Mean graft volume was 16.24 ± 1.54 cm3 at T0, 14.48 ± 1.48 cm3 at T1 and 13.06 ± 1.39 cm3 at T2. Mean volume retraction resulted in 1.76 ± 0.34 cm3 ΔV1 (T0–T1) and 1.42 ± 0.4 cm3 ΔV2 (T1–T2) and was 10.83 % of the initial total volume at (T0–T1) and 9.8 % of the total volume (T1–T2).
The present retrospective investigation demonstrated a 20.63 % decrease in graft volume. Volumetric 3D assessment of CBCT scans with the selected software appeared to be a promising approach to quantifying long-term changes in the grafted area.
Url:
DOI: 10.1007/s12663-014-0736-3
PubMed: 26225054
PubMed Central: 4511887
Affiliations:
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Le document en format XML
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<front><div type="abstract" xml:lang="en"><sec><title>Aim</title>
<p>The aim of this retrospective study was to quantify three-dimensional (3D) volumetric bone changes over a two-year period in maxillary sinuses augmented with a mineralized cortical bone allograft material (MCBA) material.</p>
</sec>
<sec><title>Patients and Methods</title>
<p>Eleven patients (6 males and 5 females) with mean of age of 51.6 (range: 46–61) years were treated to increase the vertical dimension of the alveolar crest by maxillary sinus floor augmentation procedure. Study data were collected from patient records and by analyzing preoperative radiographs and cone beam computed tomography (CBCT) scans taken within the first two weeks after maxillary sinus lift (T0), immediately before implant placement four months after grafting (T1), and after one year of implant loading (T2). All DICOM-formatted images were rendered into volumetric images using software that automatically calculated the volume of the grafted material in cubic centimeters.</p>
</sec>
<sec><title>Results</title>
<p>Mean graft volume was 16.24 ± 1.54 cm<sup>3</sup>
at T0, 14.48 ± 1.48 cm<sup>3</sup>
at T1 and 13.06 ± 1.39 cm<sup>3</sup>
at T2. Mean volume retraction resulted in 1.76 ± 0.34 cm<sup>3</sup>
ΔV1 (T0–T1) and 1.42 ± 0.4 cm<sup>3</sup>
ΔV2 (T1–T2) and was 10.83 % of the initial total volume at (T0–T1) and 9.8 % of the total volume (T1–T2).</p>
</sec>
<sec><title>Conclusion</title>
<p>The present retrospective investigation demonstrated a 20.63 % decrease in graft volume. Volumetric 3D assessment of CBCT scans with the selected software appeared to be a promising approach to quantifying long-term changes in the grafted area.</p>
</sec>
</div>
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