CBCT Segmentation in Volumetric Measurements of MS Using Different Soft Wares: A Validity and Reliability Study

Cairo University (CU)

Status: Unknown

Conditions: Sinus Volume; CBCT Segmentation

Treatments: Device: semiautomatic software

Study type: Interventional

Funder types: Other

Identifiers

NCT04092699

Dentistry

Details and patient eligibility

About

Cone Beam Computed Tomography (CBCT) has been used to assess the volume of the maxillary sinus using the manual and semi-automatic segmentation. The majority of researches stressed on the reduced accuracy of the automatic segmentation when compared to the real volume. Regarding the semi-automatic segmentation, there are researches assessed the volumetric measurement of the maxillary sinus and they reported that there is no significant difference between semi- automatic and the manual segmentation in CT.

Full description

Automatic segmentation is believed to be less time consuming and more accurate in assessment of structures with regular border but fairly assessed the structures with irregular border like paranasal sinuses. The semi-automatic software is efficient and accurate as manual tracing with significant reduction in inter-observer variability and time . On the other hand, all neighboring contacting voxels located within a defined range (threshold) of similar HU values of different adjacent tissues may be measured so over calculation or under calculation could be suspected

Enrollment: 10 estimated patients

Sex: All

Volunteers: Accepts Healthy Volunteers

Inclusion and exclusion criteria

Inclusion Criteria:

Inclusion Criteria of participants of the In vitro part of the study:

• Skulls with intact walls of maxillary sinus.
• Skulls with dentulous or edentulous jaws.

Exclusion criteria of participants:

• Skulls with missing parts of the maxilla that could be caused from traumatic injuries, diseases and space occupying lesions of maxilla.
• Skulls with severe mutilation caused by environmental decay.

Inclusion Criteria of participants of the In vivo part of the study:

• Patients without any pathosis affects maxillary sinus.
• Patients with dentulous or edentulous jaws.

Exclusion criteria of participants:

• Patients with traumatic injuries, diseases and space occupying lesions of maxilla.
• Patients with sinus lifting or surgeries.
• Patients with mucosal thickening more than 3mm

Trial design

Primary purpose: Device Feasibility

Allocation: Randomized

Interventional model: Sequential Assignment

Masking: Single Blind

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10 participants in 2 patient groups

patient

Other group

Description:

CBCT Dicom file of patient has been scanned will be used for measurements of maxillary sinus volume by different software

Treatment:

Device: semiautomatic software

skulls

Other group

Description:

CBCT Dicom file of patient has been scanned will be used for measurements of maxillary sinus volume by different software

Treatment:

Device: semiautomatic software