Ignite Creation Date:
2024-05-06 @ 6:57 PM
Last Modification Date:
2024-10-26 @ 2:58 PM
Study NCT ID:
NCT05847777
Status:
NOT_YET_RECRUITING
Last Update Posted:
2023-05-08
First Post:
2023-04-25
Brief Title:
Correlation Between Maxillary Sinus Linear and Volumetric Measurements and Midface Width Using CBCT
Sponsor:
Cairo University
Organization:
Cairo University
Study Overview
Official Title:
Correlation Between Maxillary Sinus Linear and Volumetric Measurements and Midface Width Using CBCT A Cross Sectional Study
Status:
NOT_YET_RECRUITING
Status Verified Date:
2023-05
Last Known Status:
None
Delayed Posting:
No
If Stopped, Why?:
Not Stopped
Has Expanded Access:
False
If Expanded Access, NCT#:
N/A
Has Expanded Access, NCT# Status:
N/A
Acronym:
None
Brief Summary:
The objective of this study will be To assess the correlation of the 2-D and volumetric maxillary sinus dimensions with the linear measurement of the mid-face width in adult Egyptian individuals The data collection will be obtained from the data base available at the department of Oral and Maxillofacial Radiology Faculty of Dentistry Cairo University CBCT images will be obtained from Egyptian patients who were referred to the CBCT unit in oral and maxillofacial radiology department for different purposes The following radiographic examination will be done in Oral and Maxillofacial Radiology Department Faculty Dentistry Cairo University semiautomated segmentation will be performed for the maxillary sinus in both side and then linear and volumetric measurements will be assessed for each sinus Also the width of midface will be assessed
Detailed Description:
The objective of this study will be To assess the correlation of the 2-D and volumetric maxillary sinus dimensions with the linear measurement of the mid-face width in adult Egyptian individuals The data collection will be obtained from the data base available at the department of Oral and Maxillofacial Radiology Faculty of Dentistry Cairo University CBCT images will be obtained from Egyptian patients who were referred to the CBCT unit in oral and maxillofacial radiology department for different purposes The following radiographic examination will be done in Oral and Maxillofacial Radiology Department Faculty Dentistry Cairo University semiautomated segmentation will be performed for the maxillary sinus in both side and then linear and volumetric measurements will be assessed for each sinus Also the width of midface will be assessed
CBCT images will be analysed using Mimics software version 210 Materialise Leuven Belgium To measure volumes of the maxillary sinuses thresholding will be applied with minimum and maximum limits of - 1024 HU and - 526 HU respectively The maxillary sinus will be cropped using the softwares edit masks tool along the following borders around the bone structure and narrowest space of the ostium between the infundibulum and the uncinate process After this three-dimensional 3D models of the sinuses will be created and the volumes of the right and left sinuses will be calculated separately by giving different colors to the sinuses of the same patient
Slice thickness will be maintained at 04 mm as a standard for further 2-D and 3-D reconstruction
All maxillary sinus measurements will be performed separately on the left and right sides
For the maxillary sinus linear 2D measurements each scan will be assessed for
Maximal vertical diameter maximal height of the maxillary sinus MSH involves the longest distance from the lowest point of the inferior wall to the highest point of the superior wall in the adjusted sagittal image
Maximal horizontal diameter maximal width of the maxillary sinus MSW involves the longest distance perpendicular from the most prominent point of the medial wall to the most prominent point of the lateral wall on the adjusted axial image
Maximal anteroposterior diameter maximal length of the maxillary sinus MSL involves the longest distance from the most anterior point of the anterior wall to the most posterior point of the posterior wall on the adjusted the axial image
To measure the midface width on CBCT adjusted coronal image the most lateral and inferior point of the maxillozygomatic suture zm point on both sides will be detected and measure the distance between them
To measure one side maxillary width the distance between zm point of one side to mid palatine will be recorded
CBCT images will be analysed using Mimics software version 210 Materialise Leuven Belgium To measure volumes of the maxillary sinuses thresholding will be applied with minimum and maximum limits of - 1024 HU and - 526 HU respectively The maxillary sinus will be cropped using the softwares edit masks tool along the following borders around the bone structure and narrowest space of the ostium between the infundibulum and the uncinate process After this three-dimensional 3D models of the sinuses will be created and the volumes of the right and left sinuses will be calculated separately by giving different colors to the sinuses of the same patient
Slice thickness will be maintained at 04 mm as a standard for further 2-D and 3-D reconstruction
All maxillary sinus measurements will be performed separately on the left and right sides
For the maxillary sinus linear 2D measurements each scan will be assessed for
Maximal vertical diameter maximal height of the maxillary sinus MSH involves the longest distance from the lowest point of the inferior wall to the highest point of the superior wall in the adjusted sagittal image
Maximal horizontal diameter maximal width of the maxillary sinus MSW involves the longest distance perpendicular from the most prominent point of the medial wall to the most prominent point of the lateral wall on the adjusted axial image
Maximal anteroposterior diameter maximal length of the maxillary sinus MSL involves the longest distance from the most anterior point of the anterior wall to the most posterior point of the posterior wall on the adjusted the axial image
To measure the midface width on CBCT adjusted coronal image the most lateral and inferior point of the maxillozygomatic suture zm point on both sides will be detected and measure the distance between them
To measure one side maxillary width the distance between zm point of one side to mid palatine will be recorded
Study Oversight
Has Oversight DMC:
None
Is a FDA Regulated Drug?:
False
Is a FDA Regulated Device?:
False
Is an Unapproved Device?:
None
Is a PPSD?:
None
Is a US Export?:
None
Is an FDA AA801 Violation?:
None