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A Novel Guided Zygomatic and Pterygoid Implant Surgery System: A Human Cadaver Study on Accuracy

The aim of this human cadaver study was to assess the accuracy of zygomatic/pterygoid implant placement using custom-made bone-supported laser sintered titanium templates. For this purpose, pre-surgical planning was done on computed tomography scans of each cadaver. Surgical guides were printed usin...

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Autores principales: Grecchi, Francesco, Stefanelli, Luigi V., Grivetto, Fabrizio, Grecchi, Emma, Siev, Rami, Mazor, Ziv, Del Fabbro, Massimo, Pranno, Nicola, Franchina, Alessio, Di Lucia, Vittorio, De Angelis, Francesca, Goker, Funda
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8201303/
https://www.ncbi.nlm.nih.gov/pubmed/34200143
http://dx.doi.org/10.3390/ijerph18116142
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author Grecchi, Francesco
Stefanelli, Luigi V.
Grivetto, Fabrizio
Grecchi, Emma
Siev, Rami
Mazor, Ziv
Del Fabbro, Massimo
Pranno, Nicola
Franchina, Alessio
Di Lucia, Vittorio
De Angelis, Francesca
Goker, Funda
author_facet Grecchi, Francesco
Stefanelli, Luigi V.
Grivetto, Fabrizio
Grecchi, Emma
Siev, Rami
Mazor, Ziv
Del Fabbro, Massimo
Pranno, Nicola
Franchina, Alessio
Di Lucia, Vittorio
De Angelis, Francesca
Goker, Funda
author_sort Grecchi, Francesco
collection PubMed
description The aim of this human cadaver study was to assess the accuracy of zygomatic/pterygoid implant placement using custom-made bone-supported laser sintered titanium templates. For this purpose, pre-surgical planning was done on computed tomography scans of each cadaver. Surgical guides were printed using direct metal laser sintering technology. Four zygomatic and two pterygoid implants were inserted in each case using the guided protocol and related tools. Post-operative computed tomography (CT) scans were obtained to evaluate deviations between the planned and inserted implants. Accuracy was measured by overlaying the real position in the post-operative CT on the virtual presurgical placement of the implant in a CT image. Descriptive and bivariate analyses of the data were performed. As a result, a total of 40 zygomatic and 20 pterygoid implants were inserted in 10 cadavers. The mean deviations between the planned and the placed zygomatic and pterygoid implants were respectively (mean ± SD): 1.69° ± 1.12° and 4.15° ± 3.53° for angular deviation. Linear distance deviations: 0.93 mm ± 1.23 mm and 1.35 mm ± 1.45 mm at platform depth, 1.35 mm ± 0.78 mm and 1.81 mm ± 1.47 mm at apical plane, 1.07 mm ± 1.47 mm and 1.22 mm ± 1.44 mm for apical depth. In conclusion, the surgical guide system showed accuracy for all the variables studied and allowed acceptable and accurate implant placement regardless of the case complexity.
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spelling pubmed-82013032021-06-15 A Novel Guided Zygomatic and Pterygoid Implant Surgery System: A Human Cadaver Study on Accuracy Grecchi, Francesco Stefanelli, Luigi V. Grivetto, Fabrizio Grecchi, Emma Siev, Rami Mazor, Ziv Del Fabbro, Massimo Pranno, Nicola Franchina, Alessio Di Lucia, Vittorio De Angelis, Francesca Goker, Funda Int J Environ Res Public Health Article The aim of this human cadaver study was to assess the accuracy of zygomatic/pterygoid implant placement using custom-made bone-supported laser sintered titanium templates. For this purpose, pre-surgical planning was done on computed tomography scans of each cadaver. Surgical guides were printed using direct metal laser sintering technology. Four zygomatic and two pterygoid implants were inserted in each case using the guided protocol and related tools. Post-operative computed tomography (CT) scans were obtained to evaluate deviations between the planned and inserted implants. Accuracy was measured by overlaying the real position in the post-operative CT on the virtual presurgical placement of the implant in a CT image. Descriptive and bivariate analyses of the data were performed. As a result, a total of 40 zygomatic and 20 pterygoid implants were inserted in 10 cadavers. The mean deviations between the planned and the placed zygomatic and pterygoid implants were respectively (mean ± SD): 1.69° ± 1.12° and 4.15° ± 3.53° for angular deviation. Linear distance deviations: 0.93 mm ± 1.23 mm and 1.35 mm ± 1.45 mm at platform depth, 1.35 mm ± 0.78 mm and 1.81 mm ± 1.47 mm at apical plane, 1.07 mm ± 1.47 mm and 1.22 mm ± 1.44 mm for apical depth. In conclusion, the surgical guide system showed accuracy for all the variables studied and allowed acceptable and accurate implant placement regardless of the case complexity. MDPI 2021-06-07 /pmc/articles/PMC8201303/ /pubmed/34200143 http://dx.doi.org/10.3390/ijerph18116142 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Grecchi, Francesco
Stefanelli, Luigi V.
Grivetto, Fabrizio
Grecchi, Emma
Siev, Rami
Mazor, Ziv
Del Fabbro, Massimo
Pranno, Nicola
Franchina, Alessio
Di Lucia, Vittorio
De Angelis, Francesca
Goker, Funda
A Novel Guided Zygomatic and Pterygoid Implant Surgery System: A Human Cadaver Study on Accuracy
title A Novel Guided Zygomatic and Pterygoid Implant Surgery System: A Human Cadaver Study on Accuracy
title_full A Novel Guided Zygomatic and Pterygoid Implant Surgery System: A Human Cadaver Study on Accuracy
title_fullStr A Novel Guided Zygomatic and Pterygoid Implant Surgery System: A Human Cadaver Study on Accuracy
title_full_unstemmed A Novel Guided Zygomatic and Pterygoid Implant Surgery System: A Human Cadaver Study on Accuracy
title_short A Novel Guided Zygomatic and Pterygoid Implant Surgery System: A Human Cadaver Study on Accuracy
title_sort novel guided zygomatic and pterygoid implant surgery system: a human cadaver study on accuracy
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8201303/
https://www.ncbi.nlm.nih.gov/pubmed/34200143
http://dx.doi.org/10.3390/ijerph18116142
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