Evaluation of linear measurements of implant sites based on head orientation during acquisition: An ex vivo study using cone-beam computed tomography
Identifieur interne : 001159 ( Main/Exploration ); précédent : 001158; suivant : 001160Evaluation of linear measurements of implant sites based on head orientation during acquisition: An ex vivo study using cone-beam computed tomography
Auteurs : Hanadi Sabban [États-Unis] ; Mina Mahdian [États-Unis] ; Ajay Dhingra [États-Unis] ; Alan G. Lurie [États-Unis] ; Aditya Tadinada [États-Unis]Source :
- Imaging Science in Dentistry [ 2233-7822 ] ; 2015.
Abstract
This study evaluated the effect of various head orientations during cone-beam computed tomography (CBCT) image acquisition on linear measurements of potential implant sites.
Six dry human skulls with a total of 28 implant sites were evaluated for seven different head orientations. The scans were acquired using a Hitachi CB-MercuRay CBCT machine. The scanned volumes were reconstructed. Horizontal and vertical measurements were made and were compared to measurements made after simulating the head position to corrected head angulations. Data was analyzed using a two-way ANOVA test.
Statistical analysis revealed a significant interaction between the mean errors in vertical measurements with a marked difference observed at the extension head position (P<0.05). Statistical analysis failed to yield any significant interaction between the mean errors in horizontal measurements at various head positions.
Head orientation could significantly affect the vertical measurements in CBCT scans. The main head position influencing the measurements is extension.
Url:
DOI: 10.5624/isd.2015.45.2.73
PubMed: 26125001
PubMed Central: 4483623
Affiliations:
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The scans were acquired using a Hitachi CB-MercuRay CBCT machine. The scanned volumes were reconstructed. Horizontal and vertical measurements were made and were compared to measurements made after simulating the head position to corrected head angulations. Data was analyzed using a two-way ANOVA test.</p></sec><sec><title>Results</title><p>Statistical analysis revealed a significant interaction between the mean errors in vertical measurements with a marked difference observed at the extension head position (P<0.05). Statistical analysis failed to yield any significant interaction between the mean errors in horizontal measurements at various head positions.</p></sec><sec><title>Conclusion</title><p>Head orientation could significantly affect the vertical measurements in CBCT scans. 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last="Sabban">Hanadi Sabban</name></region><name sortKey="Dhingra, Ajay" sort="Dhingra, Ajay" uniqKey="Dhingra A" first="Ajay" last="Dhingra">Ajay Dhingra</name><name sortKey="Lurie, Alan G" sort="Lurie, Alan G" uniqKey="Lurie A" first="Alan G." last="Lurie">Alan G. Lurie</name><name sortKey="Mahdian, Mina" sort="Mahdian, Mina" uniqKey="Mahdian M" first="Mina" last="Mahdian">Mina Mahdian</name><name sortKey="Tadinada, Aditya" sort="Tadinada, Aditya" uniqKey="Tadinada A" first="Aditya" last="Tadinada">Aditya Tadinada</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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