Accuracy of Intraoral Photogrammetry Scanner in Complete Arch Digital Implant Impression

NCT ID: NCT06599294

Last Updated: 2024-09-19

Basic Information

• Recruitment Status: COMPLETED
• Clinical Phase: PHASE1
• Total Enrollment: 60 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2024-06-20
• Study Completion Date: 2024-08-20

Brief Summary

Intra oral scanning can perform a full digital workflow right on the patient's mouth. Recently an intra-oral photogrammetry scanner has been introduced in the market that can make intra-oral tissue scanning in addition to a built-in photogrammetry technology so that it can capture fixture locations through special intra-oral scan flags.

Detailed Description

Intraoral scanning had several advantages to intraoral direct scanning, including less storage and transportation needs, faster scanning times, and increased patient comfort. The intraoral scan bodies are used as digital fixture locators when using IOSs for implant impressions.

Photogrammetry is the science and technology of obtaining reliable information about physical objects through the process of recording, measuring, and interpreting photographic images and patterns of electromagnetic radiant imagery. The utilization of photogrammetry in the dental field leads to exclusion of intraoral dental and gingival anatomies while scanning the implant coordinates. In addition, no need for stitching during full arch implant scanning which is reflected in the trueness and precision of the scanned object. Exclusion of unstable mucosa during scanning and avoidance of stitching make the passive seating of implant prosthesis a more predictable procedure especially when compared with intra-oral scanning only.

Up to this moment, all photogrammetry systems available in the market are considered extraoral systems that require an additional impression for soft tissue capture whether conventional or digital. Recently an intra-oral photogrammetry scanner (IPS) has been introduced in the market that can make intra-oral tissue scanning in addition to a built-in photogrammetry technology so that it can capture fixture locations through special intra-oral scan flags.

Conditions

Dental Implant

Study Design

• Allocation Method: NON_RANDOMIZED
• Intervention Model: PARALLEL
• Primary Study Purpose: TREATMENT
• Blinding Strategy: DOUBLE

Study Groups

intraoral photogrammetry scanning

Group Type: EXPERIMENTAL

Digital scanning

Intervention Type: PROCEDURE

. For each patient three digital files will be obtained: One reference scan, one conventional IOS scan, and one IPS scan. All the STL files will be imported to dental CAD software, and scan bodies will be converted to implant multi-unit ti-base using a digital library. The updated STL files will be imported to inspection software Mimics for trueness assessments. The three-dimensional discrepancy between 2 STL files will be evaluated in terms of linear and angular deviation. A central point \& central axis of the virtual MUA ti-base was used for deviation measurements. Linear deviations will be assessed for each MUA tibase on the three-space axis (X longitudinal, Y lateral, and Z vertical) using the center of the ti-base heads for the deviation measurement. Angular deviations were assessed as the angles formed by the two lines passing perpendicularly through the centers of the test image and the reference image of each ti-base.

Two digital impressions will be recorded, one with a conventional intra-oral scanner and another one with an intra-oral photogrammetry scanner.

Intervention Type: PROCEDURE

. For each patient three digital files will be obtained: One reference scan, one conventional IOS scan, and one IPS scan. All the STL files will be imported to dental CAD software, and scan bodies will be converted to implant multi-unit ti-base using a digital library. The updated STL files will be imported to inspection software Mimics for trueness assessments. The three-dimensional discrepancy between 2 STL files will be evaluated in terms of linear and angular deviation. A central point \& central axis of the virtual MUA ti-base was used for deviation measurements. Linear deviations will be assessed for each MUA tibase on the three-space axis (X longitudinal, Y lateral, and Z vertical) using the center of the ti-base heads for the deviation measurement. Angular deviations were assessed as the angles formed by the two lines passing perpendicularly through the centers of the test image and the reference image of each ti-base.

Intra oral scanning

Group Type: ACTIVE_COMPARATOR

Digital scanning

Intervention Type: PROCEDURE

. For each patient three digital files will be obtained: One reference scan, one conventional IOS scan, and one IPS scan. All the STL files will be imported to dental CAD software, and scan bodies will be converted to implant multi-unit ti-base using a digital library. The updated STL files will be imported to inspection software Mimics for trueness assessments. The three-dimensional discrepancy between 2 STL files will be evaluated in terms of linear and angular deviation. A central point \& central axis of the virtual MUA ti-base was used for deviation measurements. Linear deviations will be assessed for each MUA tibase on the three-space axis (X longitudinal, Y lateral, and Z vertical) using the center of the ti-base heads for the deviation measurement. Angular deviations were assessed as the angles formed by the two lines passing perpendicularly through the centers of the test image and the reference image of each ti-base.

Two digital impressions will be recorded, one with a conventional intra-oral scanner and another one with an intra-oral photogrammetry scanner.

Intervention Type: PROCEDURE

. For each patient three digital files will be obtained: One reference scan, one conventional IOS scan, and one IPS scan. All the STL files will be imported to dental CAD software, and scan bodies will be converted to implant multi-unit ti-base using a digital library. The updated STL files will be imported to inspection software Mimics for trueness assessments. The three-dimensional discrepancy between 2 STL files will be evaluated in terms of linear and angular deviation. A central point \& central axis of the virtual MUA ti-base was used for deviation measurements. Linear deviations will be assessed for each MUA tibase on the three-space axis (X longitudinal, Y lateral, and Z vertical) using the center of the ti-base heads for the deviation measurement. Angular deviations were assessed as the angles formed by the two lines passing perpendicularly through the centers of the test image and the reference image of each ti-base.

Interventions

Digital scanning

. For each patient three digital files will be obtained: One reference scan, one conventional IOS scan, and one IPS scan. All the STL files will be imported to dental CAD software, and scan bodies will be converted to implant multi-unit ti-base using a digital library. The updated STL files will be imported to inspection software Mimics for trueness assessments. The three-dimensional discrepancy between 2 STL files will be evaluated in terms of linear and angular deviation. A central point \& central axis of the virtual MUA ti-base was used for deviation measurements. Linear deviations will be assessed for each MUA tibase on the three-space axis (X longitudinal, Y lateral, and Z vertical) using the center of the ti-base heads for the deviation measurement. Angular deviations were assessed as the angles formed by the two lines passing perpendicularly through the centers of the test image and the reference image of each ti-base.

Intervention Type: PROCEDURE

Two digital impressions will be recorded, one with a conventional intra-oral scanner and another one with an intra-oral photogrammetry scanner.

. For each patient three digital files will be obtained: One reference scan, one conventional IOS scan, and one IPS scan. All the STL files will be imported to dental CAD software, and scan bodies will be converted to implant multi-unit ti-base using a digital library. The updated STL files will be imported to inspection software Mimics for trueness assessments. The three-dimensional discrepancy between 2 STL files will be evaluated in terms of linear and angular deviation. A central point \& central axis of the virtual MUA ti-base was used for deviation measurements. Linear deviations will be assessed for each MUA tibase on the three-space axis (X longitudinal, Y lateral, and Z vertical) using the center of the ti-base heads for the deviation measurement. Angular deviations were assessed as the angles formed by the two lines passing perpendicularly through the centers of the test image and the reference image of each ti-base.

Intervention Type: PROCEDURE

Eligibility Criteria

Inclusion Criteria

• participants had received 4-6 implants in 1 edentulous arch.
• Participants had received 1-piece implant-supported complete-arch fixed dental prostheses.

Exclusion Criteria

• Systemic conditions as diabetes.
• Osteoporosis patients.
• Immunocompromised patients.

• Minimum Eligible Age: 20 Years
• Maximum Eligible Age: 50 Years
• Eligible Sex: ALL
• Accepts Healthy Volunteers: No

Sponsors

Assiut University

OTHER

Sponsor Role: collaborator

Ain Shams University

OTHER

Sponsor Role: lead

Responsible Party

Doaa Adel Salah Khattab

Associate Professor

Responsibility Role: PRINCIPAL_INVESTIGATOR

Locations

Faculty of Dentistry Ain Shams University

Cairo, Abbassia, Egypt

Faculty of Dentistry Ain Shams University

Cairo, Abbassia, Egypt

Countries

Egypt

Other Identifiers

112899

Identifier Type: -

Identifier Source: org_study_id